LM2612 400mA DC/DC 2002 LM2612 Miniature, Programmable, Step

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LM2612 400mA DC/DC 2002 LM2612 Miniature, Programmable, Step

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LM2612 400mA DC/DC
2002 LM2612
Miniature, Programmable, Step-Down DC/DC Converter Ultra Low-Voltage Circuits
2612
Darryl Phillips
20000601
24070
DS200071
edits from Darryl Phillips. Edits package removed. edits from Mathew recomposed with minor text edits. Converted nat2000 added Package info. composed with NAT2000. fixed layout after composing NAT2000. added some text edits. changes Darryl. removed figure board layout design rules corresponding references. Will added later rereleased about three weeks.SN composed with edited Visio images. composed with text edits. changed eps. tif. composed with loaded curves. made some text edits. rechecking curves they looked wrong. Need some visio files reload. updated graphic entities from tiff.uncomp composed with loaded graphs other text changes. made text edits need correct some graphics. Typical curves loaded 6-39 this copy. adde text edits. waiting corrections done.SN completed SGML waiting artload. document Darryl.
LM2612
400mA DC/DC
LM2612 DC/DC 2.8V 5.5V 400mA 300mA) 1.05V1.3V 1.5V 1.8V 600kHz 911.8VOUT SYNC 500kHz 1MHz (typ) (typ) LM2612 micro micro LM2612
(2.8V 5.5V) (1.05V1.3V1.5V1.8V) 400mA 300mA) (2mV typ) (typ) (typ) (2.8VIN 1.8VOUT 600kHz 500kHz 1MHz SYNC
micro
20011211
National Semiconductor Corporation
DS200071-06-JP
LM2612
micro package
VIEW
BOTTOM VIEW
Order Number 10-Pin micro LM2612ABP LM2612BBP LM2612ABPX LM2612BBPX 10-bump Wafer Level Chip Scale (micro SMD) BPA10VWB Units, Tape Reel Units, Tape Reel 3000 Units, Tape Reel 3000 Units, Tape Reel Package Type Package Drawing Supplied
VID1 VID0 (Figure (Table 1.5V
SYNC/MODE SYNC/MODE 600kHz SYNC/MODE SYNC/MODE 500kHz 1MHz CMOS (VDD) SGND P-FET N-FET LM2612 "Switch Peak Current Limit" 850mA (max) (Figure P-FET (Figure (Figure
PGND
PVIN SGND
JEDEC micro 2002 VID1: VID0: SYNC: PGND: PVIN: VDD: SGND:
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LM2612
(Note
(Note 100pFR 1.5k LM2612ABP/LM2612BBP (Note
2.5kV
SGND PVINVDD PGND SGND SGND ENSYNC/MODE VID0VID1 FBSW
0.2V 0.2V 0.2V 0.2V (GND 0.2V) (VDD 0.2V)
PVIN SYNC 3.6VVID0 VID1
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LM2612
PVIN SYNC 3.6VVID0 VID1
Note
(Typ)
Note Note Note Note
(0.5/0.5 0.33mm (2/1/1 AN-1187 LM2612 UVLO LM2612 UVLO 2.8V 1.5V 1.5V 1.05V
Note
Note
P-FET 0.7V P-FET CMOS 0.71VDD0.55VDD
Note
Note
Note SYNC VIN-GND SYNC LM2612
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LM2612
LM2612ABP Figure 3.6VTA
Quiescent Supply Current Temperature
Quiescent Supply Current Supply Voltage
Shutdown Quiescent Current Temperature
Output Voltage Temperature (PWM Mode)
Output Voltage Temperature (PFM Mode)
Output Voltage Supply Voltage (VOUT 1.8V, Mode)
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LM2612
LM2612ABP Figure 3.6VTA
Output Voltage Supply Voltage (VOUT 1.8V, Mode)
Output Voltage Supply Voltage (VOUT 1.5V, Mode)
Output Voltage Supply Voltage (VOUT 1.5V, Mode)
Output Voltage Supply Voltage (VOUT 1.3V, Mode)
Output Voltage Supply Voltage (VOUT 1.3V, Mode)
Output Voltage Supply Voltage (VOUT 1.05V, Mode)
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LM2612
LM2612ABP Figure 3.6VTA
Output Voltage Supply Voltage (VOUT 1.05V, Mode)
Output Voltage Output Current (VOUT 1.8V, Mode)
Output Voltage Output Current (VOUT 1.8V, Mode)
Output Voltage Output Current (VOUT 1.5V, Mode)
Output Voltage Output Current (VOUT 1.5V, Modee)
Output Voltage Output Current (VOUT 1.3V, Mode)
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LM2612
LM2612ABP Figure 3.6VTA
Output Voltage Output Current (VOUT 1.3V, Mode)
Output Voltage Output Current (VOUT 1.05V, Mode, With Diode)
Output Voltage Output Current (VOUT 1.05V, Mode, With Diode)
Efficiency Output Current (VOUT 1.8V, Mode, With Diode)
Efficiency Output Current (VOUT 1.8V, Mode, With Diode)
Efficiency Output Current (VOUT 1.5V, Mode, With Diode)
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LM2612
LM2612ABP Figure 3.6VTA
Efficiency Output Current (VOUT 1.5V, Mode, With Diode)
Efficiency Output Current (VOUT 1.3V, Mode, With Diode)
Efficiency Output Current (VOUT 1.3V, Mode)
Efficiency Output Current (VOUT 1.05V, Mode)
Efficiency Output Current (VOUT 1.05V, Mode, With Diode)
Efficiency Output Current (VOUT 1.8V, Mode,No Diode)
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LM2612
LM2612ABP Figure 3.6VTA
Efficiency Output Current (VOUT 1.8V, Mode, Diode)
Switching Frquency Temperature (PWM Mode)
Load Transient Response (PWM Mode)
Load Transient Response (PFM Mode)
500mA/div 5V/div VOUT50mV/divAC LOAD20mA 200mA200mA/div
500mA/div 5V/div VOUT50mV/divAC LOAD10mA 100mA100mA/div
Shutdown Response (PWM Mode)
Shutdown Response (PFM Mode)
500mA/div 2V/div VOUT1V/div EN5V/div
500mA/div 2V/div VOUT1V/div EN5V/div
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LM2612
LM2612ABP Figure 3.6VTA
Response
Line Transient Response (PWM Mode)
500mA/div 2V/div VOUT50mV/divAC SYNC/MODE5V/div
500mV/divAC 5V/div VOUT10mV/divAC
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LM2612
LM2612 DC/DC 2.8V 5.5V 1.05V1.3V1.5V1.8V 400mA 300mA) LM2612 2.8V 1.8V 100mA DC/DC (typ) LM2612 1.05V SYNC/MODE 500kHz 1MHz LM2612 micro
FIGURE Typical Operating Circuit
Figure LM2612 LM2612 P-FET PVIN (VIN VOUT)/L LM2612 P-FET NFET VOUT/L P-FET
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LM2612
FIGURE Simplified Functional Diagram
SYNC/MODE LM2612 P-FET P-FET P-FET P-FET P-FET N-FET N-FET P-FET P-FET N-FET
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LM2612
Mode Switching Waveform Mode Switching Waveform
500mA/div 2V/div VOUT10mV/div
500mA/div 2V/div VOUT50mV/divAC
FIGURE Typical Circuit Waveforms Mode Mode
SYNC/MODE "L"(SGND) LM2612 P-FET P-FET P-FET P-FET MOSFET N-FET SYNC/MODE 5V/100 SYNC/MODE SYNC/MODE 10ms A1ms
(SYNC/MODE
SYNC/MODE LM2612 0.4V 1.3V SYNC/MODE LM2612 LM2612 50500kHz 1MHz SYNC/MODE 200ns (500kHz 100mV SYNC
(SYNC/MODE
SYNC/MODE 50mA SYNC/MODE "H"(1.3V 600kHz 50mA SYNC/MODE "L"(0.4V LM2612 50mA)
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LM2612
(SYNC/MODE
SYNC/MODE 5V/100 SYNC/MODE N-FET PGNDSW
LM2612 P-FET 200ns 30mV
LM2612 850mA 980mA) 0.7V P-FET
"L"(SGND) LM2612 (typ) LM2612 P-FET N-FET "H"(VDD) CMOS 0.71VDD"L" 0.55VDD LM2612 CMOS 2.8V LM2612 LM2612 UVLO LM2612 UVLO
LM2612 300mA 850mA 400mA LM2612 30mA 350mA
LM2612 VID0 VID1 1.05V1.3V1.5V 1.8V
N-FET N-FET N-FET N-FET N-FET
LM2612 LM2612 LM2612
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LM2612
LM2612 VID0VID1 SGND VID0 VID1 1.2V 0.4V 1.5V
LM2612 Table VID0 VID1 Output Voltage Selection Settings VID0 VID1 1.05V1.3V1.5V 1.8V TABLE VID0 VID1 Output Voltage Selection Settings VOUT VID0 1.05 N.C. Logic Level VID1 N.C.
850mA 980mA) 1.8V Table Suggested Inductors Their Suppliers
TABLE Suggested Inductors Their Suppliers Model DO1608C-103 DO1606T-103 UP1B-100 UP0.4CB-100 ELL6GM100M ELL6PM100M P1174.103T CDRH5D18-100 CDRH4D28-100 CDC5D23-100 NP05D B100M NP04S B100N SLF6025T-100M1R0 SLF6020T-100MR90 A918CY-100M A915AY-100M Coilcraft Coilcraft Coiltronics Coiltronics Panasonic Panasonic Pulse Engineering Sumida Sumida Sumida Taiyo Yuden Taiyo Yuden Toko Toko P-FET LM2612 DC/DC 847-297-0070 847-699-7864 847-803-6100 847-803-6296 847-925-0888 847-925-0899 858-674-8100 847-956-0666 858-674-8262 847-956-0702 714-373-7366 714-373-7323 561-241-7876 561-241-9339 Vendor 847-639-6400 Phone 847-639-1469
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LM2612
TABLE Suggested Capacitors Their Suppliers Model Size Vendor Phone
Ceramic Capacitor (Output Filter Capacitor) C3225X5RIA226M JMK325BJ226MM ECJ4YB0J226M GRM42-2X5R226K6.3 1210 1210 1210 1210 Taiyo-Yuden Panasonic muRata 847-803-6100 847-925-0888 714-373-7366 404-436-1300 847-803-6296 847-925-0899 714-373-7323 404-436-3030
6.3V, Ceramic Capacitor (Input Filter Capacitor) C2012X5R0J106M JMK212BJ106MG ECJ3YB0J106K GRM40X5R106K6.3 0805 0805 1206 0805 Taiyo Yuden Panasonic muRata 847-803-6100 847-925-0888 714-373-7366 404-436-1400 847-803-6296 847-925-0899 714-373-7323 404-436-3030
F6.3V Table Suggested Capacitors Their Suppliers 200mA P-FET
LM2612
micro
micro AN-1112 micro LM2612 6.7mil 6mil 6mil 11mil LM2612 PVIN PGND micro NSMD 9.7mil NSMD AN-1112
Figure 72.7 85.0 20mAVOUT 1.8VVIN 3.6V) "Efficiency Output Current" MBRM140T3 850mA
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LM2612
micro micro micro LM2612 LM2612 LM2612 LM2612 PGND LM2612 DC/DC LM2612 DC/DC DC/DC CMOS DC/DC CMOS LP2966
DC/DC DCDC DCDC micro LM2612 LM2612 micro 6.7mil 6mil 6mil (micro micro LM2612 LM2612
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LM2612 400mA DC/DC
millimeters
NOTES: 63Sn/37 EUTECTIC NSMD (Non-Solder Mask Defined) 2000 JEDEC 10-Bump micro Package Package Number BPA10 dimensions given: 1.996 0.030mm 2.504 0.030mm 0.850 0.1mm
135-0042 2-17-16 TEL.(03)5639-7300
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0120-666-116

LM2612 400mA DC/DC 2002 LM2612 Miniature, Programmable, Step

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