AN1207 (SMPS) Antonio Bersani Microchip Technology Inc.
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AN1207
(SMPS)
Antonio Bersani Microchip Technology Inc.
(VDC) (VDC, min) (VDC, max) (VOUT) (IO, nom) (IO, min) (VR, max)
(SMPS) AN1114 (SMPS) SMPS
MOSFET
.104 .104 .105
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VOUT
VOUT
s(t)
(TOFF
TOFF
const
VOUT
LoCo
(TON
D1LOQ1
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
TOFF
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command
(-VDC
VOUT
-VOUT
TOFF
MOSFET MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
TOFF VDCVOUT
(IO, TOFF
(IOav (TON)
(TON)
OUT)T on)TOFF
VOUT
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(determines edges) (IO, min)
peak
limit
TOFF
VOUT
limit peak
limit
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VDC/VOUT 1.25
VDC/VOUT
Discontinuous region
Continuous region VDC/VOUT IO/IO, limit
(VDC/VOUT
(IO, min)
OOUT limit
FPWM (FPWM =1/T)
LOSS, inductor
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
LOSS, capacitor
RESR (ESR)
TOFF
LESL (ESL)
(VR) (ESR) RESR VRCO
limit)
(VR)
TOFF
total
MOSFET
TOFF
total
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(C)) TOFF (B))
static,
MOSFET
avnom
static,
MOSFET RDS(ON) RDS(ON) (RDS(ON)
static,
hightemp
MOSFET
Turn-on Turn-off TOFF
switching, turnon
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
switching, turnon
switching, turn
switching, turn
MOSFET
total static,
switching, turn switching, turn
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VOUT nominal limit 0.2A limit 0.4A
Dnominal VOUT/VDC 5/12 0.42. 8.5V 15.5V
36µH 200K
15.5 42µH 0.2I 15.5 200K
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
26µH 0.2I 200K
(VDC 15.5V) 0.85A 8.5V 0.17A
0.42 22µF RIPPLE 200K
0.42 4.5µF RIPPLE 200K
15.5V
0.42 1.16A
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
MOSFET
MOSFET
15.5V
0.42 0.84A
MOSFET
100ns LOSS, 0.42 15.5V 0.84 1.24 2.08W
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(TOFF
TOFF
VOUT
VOUT VOUT
(TON
VOUT VOUT
TOFF
TOFF
TOFF
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
-1-D
VOIO VDCIDC
TOFF
TOFF
(PT) TOFF 100%
VO/VDC
Series1
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command TOFF
VOUT
-VOUT
VOUT
MOSFET MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
TON,
DROP, RIPPLE
RIPPLE
TOFF
MOSFET
(IO, nom)
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VOUT
AN1114(
MOSFET
TOFF
Command
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(INTERVAL TON)
INTERVAL
VOUT
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
total
[INTERVAL (TON TR)]
INTERVAL (TON
VOUT
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
[INTERVAL (TON
INTERVAL (TON
VOUT
(TON
)TON
TOFF TOFF TOFF TON,
max, theoretical
Dmax
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
kTTON TON, kT/2 P/NR
core
Tesla Acore
core
(VDCTON)TR VQ,on NPVDC(TR)/NR (VDCTON) VDCNPTR/NR NP/NR
core
2009 Microchip Technology Inc.
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AN1207
MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
NR):
Command
MOSFET MOSFET MOSFET
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
total
(IQ, 1/10
(IO, (IO, nom)
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
MOSFET
TOFF
off,
(TON VDC,
(TON
VDC,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Inductor
IRIPPLE
101:
OUT, ripple ripple
ripple
ripple
ripple
100:
102:
FPWM ripple ripple
(PWM
103:
ripple OUT, ripple ripple
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Command TOFF
MOSFET
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VOUT
AN1114( Q1Q2
Command Command
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(INTERVAL TON)
INTERVAL
IPRIMARY VOUT
106:
104:
107:
105:
108:
109:
total
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(INTERVAL (TON TR))
INTERVAL (TON
VOUT
110:
112:
111:
113:
114:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(INTERVAL (TON
(TON
INTERVAL (TON
VOUT
TOFF
115:
117:
max, theoretical
118:
core
116:
119:
117) 111) TOFF
core
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(IP,
125:
SECONDARY,
120:
MOSFET 121:
TOFF
126:
122:
123:
127:
124:
core
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Command Command
MOSFET MOSFET
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command Command
MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(TON (TON
D,on
Q,on
(TON (TON
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(IO, min) (MOSFET
130:
OUT, ripple ripple ripple
128:
ripple
129:
131:
ripple OUT, ripple ripple
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
AN1114( 180°
VOUT
VDC/2 VDC/2
Signal Driving
T1ON
Signal Driving
T2ON
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VDC/2 VDC/2 VOUT
132:
134:
133:
135:
136:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VDC/2 VDC/2 VOUT
137:
139:
138:
140:
141:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(PERIOD
VDC/2 VDC/2 VOUT
D1D2
VDC/2
142:
VDC/2
143:
VDC/2 VDC/2
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Command
Command
VDC/2 -VDC/2 VDC/2
VDC/2
MOSFET MOSFET MOSFET
MOSFET MOSFET MOSFET
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command Command NP/NS VDC/2 -NS/NP VDC/2 NS/NP
MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
147:
144:
where
148:
Dmax, theoretical
149:
150:
145:
core
146:
core
151:
core
(IP, (PI)(PO)
(IS)
152:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
AN1114( VDC,
155:
OUT, ripple ripple ripple
156:
ripple OUT, ripple ripple
153:
ripple
154:
157:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
180°
AN1114
VOUT
MOSFET
Signal Driving
T1ON
Signal Driving
T2ON
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VOUT
158:
161:
(NP1
159:
162:
160:
163:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VOUT
164:
166:
165:
167:
168:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(PERIOD
VOUT
(TON
169:
-VS1
172:
where
Dmax VOUT
170:
173:
171:
(DMAX) (VDC, min)
174:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
AN1114( (PWM
(IP, (PI) (PO)
177:
175:
core
178: 176:
core
179:
180:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command
Command
2VDC
MOSFET MOSFET
MOSFET MOSFET MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
MOSFETS
181:
core
184:
(IS)
185:
2.6V
182:
183:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command
Command
nom/2 (upper)
nom/2 (lower)
MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
2VDC
186:
187:
188:
total,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
191:
OUT, ripple ripple
189:
ripple
192:
ripple OUT, ripple ripple
190:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Q4Q2 Q1Q2 Q3Q4
VOUT
TOFF
TOFF
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(INTERVAL 0-TON)
VOUT
195:
193:
196:
194:
197:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(INTERVAL 0-TON)
Q1Q4
VOUT
198:
200:
199:
201:
202:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
204:
203:
VOUT
VOUT
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
TOFF (VP) (Ae)
209:
BFPWM
205:
TON/T TOFF
POUT
210:
IIN, (E,G,I,K))
206:
211:
207:
IIN,
212:
208:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command Command TOFF TOFF
VQ2,
VQ3,
VQ1,
IIN, VQ4,
IIN, MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(DE) TOFF (DE)
214:
off,
off,
213:
215:
off,
off,
216:
off,
217:
off,
218:
off,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
Command Command TOFF TOFF
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
219:
peak
221:
RIPPLE RIPPLE
220:
222:
ripple ripple ripple
where,
ripple
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
AN1114( 150W)
TOFF
VOUT
TOFF
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(INTERVAL TON)
226:
peak
223:
227:
224:
225:
peak
INTERVAL
VOUT
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(INTERVAL (TON TR))
229:
peak peak
AN1114(
230:
(INTERVAL (TON +TR) 228:
(TF)
AN1114(
231:
INTERVAL
VOUT
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
236:
peak
237:
speak
232:
(NP/NS) MOSFET
233:
238:
off,
234:
239:
off,
(TON, max) (VDC, min) (VDC, TON, TON, 0.8T
MOSFET VQ1,
240:
off,
235:
225) 229) VDC, TON,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
241:
242:
POUT, VO2/RO
243:
OUT,
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
command
VQ1,
(NP/NS)(VO VD1,
peak
VD1,
MOSFET
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
244:
peak PRIMARY,
TON,
245:
peak
246:
peak peak SECONDARY,
247:
peak
249:
DROOP
248:
off,
250:
ACCEPTABLE_RIPPLE
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
TOFF
256:
(INTERVAL TON)
257:
peak peak
251:
252:
258:
253:
peak
TON/T VDC, (NP/NS
254:
259:
(INTERVAL
255:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
TOFF
command
VQ1, (NP/NS)(VO VD1,
peak
VD1,
(NS/NP)(VDC VQ1,
peak
MOSFET
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(NP/NS) MOSFET
(IO,
260:
off,
263:
264:
261:
262:
265:
266:
267:
ACCEPTABLE_RIPPLE
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
VOUT (VFB) (VREF: (EA) (VX) dsPIC®
VREF
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VCTRL
VREF
VREF
Sawtooth Oscillator
VREF VCTRL VCTRL
(VX) (VCTRL)
VOUT decrease VOUT increase
VCTRL
VREF
VCTRL VCTRL
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
270:
peak
VCTRL )TON VOUT VOUT TOFF (IO, (TON)
268:
269:
(IO,
peak
IL(O) IL(T)
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Initial Final
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
TOFF
271:
VOUT initial final
final initial
IL(T)
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(VDC (AC) (t0) TON)PWM
Imeas
VREF
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(VOUT)
LOCO
initial final
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(VDC VOUT
273:
final initial
272:
OUT,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
TOFF
during transient steady state
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
dsPIC dsPIC dsPIC VOUT
Signal
Inductor Current
Trigger start conversion
SEVTCMP Register
Time Base Counter
dsPIC
dsPIC
DAC1
Output
PWMxH
DAC2
Fault Reset
PWMxL
Inductor Current
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(D/A
TOFF
TOFF
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
VOUT G(s) H(s) (GOL(s))
276:
G(s) H(s) OL(s) GCL(s)
|G(s)| |GOL(s)| |1/H(s)|
G(s) H(s) )x(t) y(t) y(t) H(s) e(t) r(t) x(t)
|GCL(s)|
277:
G(s) y(t)
x(t)
e(t) r(t)
-H(s)
H(s)
H(s) const G(s) |1/Hs)| (GOL(s))
(GCL(s))
274:
G(s)
GCL(s)
275:
278:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
279:
phase must 180°where
|GOL(s)| |G(s)H(s)| 180° 130° 140° (180° GOL(s) dB/decade GOL(s) GOL(s)
dB/decade dB/decade GOL(s) (fCO)
G(s) GEA(s) GM(s) GLP(s) H(s) H(s)
280:
VREF GEA(s) GM(s) GLP(s)
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
GM(s) M(s) GLP(s)
|GEA(s)|
VOUT
GOL(s) G(s)H(s) GEA(s)GM(s)GLP(s) H(s)
281:
known
unknown unknown
known
GM(s) GLP(s) GEA(s)
|GOL(s)| |GOL(s)|
282:
GEA(s) VOUT
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(SMPS) 10-bit
(SMPS) dsPIC
dsPIC SMPS dsPIC30F 16-bit (IPP) (A/D 1.05
PWMA/D 16-bit 16-bit 40-bit
Flash) (X-RAM Y-RAM) (mac
DS01207A_JP
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AN1207
[y(t)] [x(t)] PLANT u(t) PLANT PLANT GM(s)GLP(s)
(GEA(s)) (proportional: integrative: derivative:
283:
284:
Proportional
Up(t)
e(t) x(t) Integrative Ui(t) U(t) PLANT y(t)
Derivative
Ud(t)
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
(fp2
286:
285:
U(s) Pole origin
-20db/sec +20db/sec
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
Proportional VREF Integrative E(z) Ui(z) U(Z) Up(z)
PLANT
Derivative
Ud(z)
288:
287:
where
289:
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
[u(n)] [u(n (KA) (KB)2 (KC) dsPIC 0u(n) u(n) e(n)
290:
291:
292:
293:
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
KPKIKD
(Ziegler/Nichols)
(PI)
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
dsPIC
DC/DC SMPS dsPIC 10bit
dsPIC
VOUT
dsPIC
Duty Cycle Register
Engine Operation
VREF
Coefficients Buffer
Error Samples Buffer e(n)
(discarded)
40-bit Accumulator
Boundary Tests
(Duty Cycle)
Computation
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
40-bit u(n) 1/10 (fs1 fs2)
294:
(u(n))
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
1024
295:
OUT, requested
296:
5res bits 0.05
fs2fs1-
System Bandwidth
SMPS
297:
-PTPER
PTPER
PTPER
10-bit
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
100000 150000 200000 250000 300000 350000 400000 450000 500000 550000 600000 650000 700000
100085,98 150193,55 200344,23 250538,10 300775,19 351055,58 401379,31 451746,44 502157,03 552611,14 603108,81 653650,11 704235,09
99914,16 149806,95 199656,95 249464,21 299228,79 348950,75 398630,14 448267,01 497861,42 547413,42 596923,08 646390,43 695815,54
4500,00
4000,00
3500,00
3000,00
2500,00 Series1 2000,00
1500,00
1000,00
500,00
0,00 100000 150000 200000 250000 300000 350000 400000 450000 500000 550000 600000 650000 700000
Frequency
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
OUT, 05ns
298:
(VFB)
299:
05ns
(FRC) 14.55 (32x) 1.15 UART 8.6) dsPIC
(IPP (ISR)
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
MAIN
Init Routines Init Vars Init Ports Init Init Timer1 Init Init
Output Voltage Ramp-up
Endless Loop
Dummy
Select Pair
Output Voltage
Input Voltage
Pair AN2/AN3
Read Output Voltage
Read Input Voltage
RETFIE
Compute Error
RETFIE
Compute
Boundary Checks
RETFIE
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
dsPICDEM DM300023) InitPorts InitIO InitTimer1 InitPWM (0x0190) PWMxH PWMxL
X-RAM
.section PidVars_Xmem, bss, near, xmemory values Error_n: .space Error_n_1: .space Error_n_2: .space
Y-RAM
.section PidVars_Ymem, bss, near, ymemory ;Pid gain values K_A: .space K_B: .space K_C: .space
MyFlag: Vdesired: Vset: Vin: Vfb: SystemTimer: Vctrl: .space .space .space .space .space .space .space flags
13.3 PWM1 StartOps (VSET) (VDESIRED 0x40)
InitVars KAKB (DSP
DS01207A_JP
2009 Microchip Technology Inc.
AN1207
(ISR)
GOTO OutputValues movsac
movsac save sac.r [W8]+=2, [W10]+=2, W6*W7, [W8]+=2, [W10]+=2, W6*W7, [W8]+=2, [W10]+=2, W6*W7, value rounded -#8, [W2]
(VCTRL) 0000.0001.000.0000 0x0100
Calculate Voltage error [W3],
computation proportional error Vdesired current output voltage [W1] Vdesired Vdesired,
2009 Microchip Technology Inc.
DS01207A_JP
AN1207
dsPIC SMPS dsPIC SMPS
Mohan, Tore Undeland, William Robbins, Power Electronics: Converters, Applications, Design, John Wiley Sons, Inc., 2002 Abraham Pressman, Switching Power Supply Design, McGraw-Hill, 1997 Lawrence Rabiner, Bernard Gold, Theory Application Digital Signal Processing, PrenticeHall, Inc., 1975 Oppenheim, Schafer, Digital Signal Processing, Prentice-Hall, Inc., 1975
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AN1207
Software License Agreement
software supplied herewith Microchip Technology Incorporated (the "Company") intended supplied you, Company's customer, solely exclusively with products manufactured Company. software owned Company and/or supplier, protected under applicable copyright laws. rights reserved. violation foregoing restrictions subject user criminal sanctions under applicable laws, well civil liability breach terms conditions this license. THIS SOFTWARE PROVIDED CONDITION. WARRANTIES, WHETHER EXPRESS, IMPLIED STATUTORY, INCLUDING, LIMITED IMPLIED WARRANTIES MERCHANTABILITY FITNESS PARTICULAR PURPOSE APPLY THIS SOFTWARE. COMPANY SHALL NOT, CIRCUMSTANCES, LIABLE SPECIAL, INCIDENTAL CONSEQUENTIAL DAMAGES, REASON WHATSOEVER.
software covered this application note available single WinZip archive file. archive downloaded from Microchip corporate site www.microchip.com
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AN1207
DS01207A_JP
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Microchip Microchip Accuron dsPICKEELOQKEELOQ MPLABPIC Microchip Technology Incorporated FilterLabLinear Active ThermistorMXDEVMXLAB SEEVALSmartSensorThe Embedded Control Solutions Company Microchip Technology Incorporated Analog-for-the-Digital AgeApplication Maestro dsSPEAKECANECONOMONITORFanSense In-Circuit Serial ProgrammingICSPICEPICMindi MiWiMPASMMPLAB Certified MPLIB MPLINKmTouchnanoWatt XLPPICkitPICDEM PICDEM.netPICtailPIC32 logoPowerCalPowerInfo PowerMatePowerToolReal ICErfLABSelect Mode Total Endurance TSHARCWiperLockZENA Microchip Technology Incorporated SQTP Microchip Technology Incorporated 2009, Microchip Technology Incorporated, Printed U.S.A., Rights Reserved.
Chandler Tempe Gresham ISO/TS-16949:2002 PIC® dsPIC® DSCKEELOQ® EEPROM 9001:2000
2009 Microchip Technology Inc.
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Tel: 91-20-2566-1512 Fax: 91-20-2566-1513
Tel: 33-1-69-53-63-20 Fax: 33-1-69-30-90-79
Duluth, Tel: 678-957-9614 Fax: 678-957-1455
Tel: 86-10-8528-2100 Fax: 86-10-8528-2104
Tel: 81-45-471- 6166 Fax: 81-45-471-6122
Tel: 49-89-627-144-0 Fax: 49-89-627-144-44
Westborough, Tel: 774-760-0087 Fax: 774-760-0088
Tel: 86-28-8665-5511 Fax: 86-28-8665-7889
Tel: 82-53-744-4301 Fax: 82-53-744-4302
Tel: 39-0331-742611 Fax: 39-0331-466781
Itasca, Tel: 630-285-0071 Fax: 630-285-0075
Tel: 852-2401-1200 Fax: 852-2401-3431
Tel: 82-2-554-7200 Fax: 82-2-558-5932 82-2-558-5934
Tel: 31-416-690399 Fax: 31-416-690340
Independence, Tel: 216-447-0464 Fax: 216-447-0643
Tel: 86-25-8473-2460 Fax: 86-25-8473-2470
Tel: 60-3-6201-9857 Fax: 60-3-6201-9859
Tel: 34-91-708-08-90 Fax: 34-91-708-08-91
Tel: 86-532-8502-7355 Fax: 86-532-8502-7205
Tel: 60-4-227-8870 Fax: 60-4-227-4068
Tel: 44-118-921-5869 Fax: 44-118-921-5820
Addison, Tel: 972-818-7423 Fax: 972-818-2924
Tel: 86-21-5407-5533 Fax: 86-21-5407-5066
Tel: 63-2-634-9065 Fax: 63-2-634-9069
Farmington Hills, Tel: 248-538-2250 Fax: 248-538-2260
Tel: 86-24-2334-2829 Fax: 86-24-2334-2393
Tel: 65-6334-8870 Fax: 65-6334-8850
Kokomo, Tel: 765-864-8360 Fax: 765-864-8387
Tel: 86-755-8203-2660 Fax: 86-755-8203-1760
Tel: 886-3-572-9526 Fax: 886-3-572-6459
Tel: 86-27-5980-5300 Fax: 86-27-5980-5118
Mission Viejo, Tel: 949-462-9523 Fax: 949-462-9608
Tel: 886-7-536-4818 Fax: 886-7-536-4803
Tel: 86-592-2388138 Fax: 86-592-2388130
Tel: 886-2-2500-6610 Fax: 886-2-2508-0102
Santa Clara, Tel: 408-961-6444 Fax: 408-961-6445
Tel: 86-29-8833-7252 Fax: 86-29-8833-7256
Tel: 66-2-694-1351 Fax: 66-2-694-1350
Mississauga, Ontario, Canada Tel: 905-673-0699 Fax: 905-673-6509
Tel: 86-756-3210040 Fax: 86-756-3210049
02/04/09
DS01207A_JP
2009 Microchip Technology Inc.
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