600kHz 1.3MHz 2004 LM2622 Converted nat2000 Changed Voutto Effici

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600kHz 1.3MHz 2004 LM2622 Converted nat2000 Changed Voutto Effici

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LM2622 600kHz/1.3MHz DC/DC
600kHz 1.3MHz 2004 LM2622
Converted nat2000 Changed Voutto Efficiency Load Current graphs. deleted feature"pin-for-pin compatibility with MAX1790 LT1949" Mark's request rereleased document. revised images 31and composed with revised graph composed with added typical curves. added transient response plots added ordering info. table visio images 31.SN copied renamed images 36-40 from LP2966 Mark's request. changed 101273-06 60%. changed figure caption. composed with loaded images from Visio. pieces were fixed Bill Sirp created Mark Hartman. input text only. waiting load. changed block diagram percent. this visio drawing. Formatted table. Rewrote General Description section. Adjusted form LT1949 LM2622 Change quiescent current Changed switch current limit Deleted battery monitoring specs Changed title reflect operating frequency upto electrical division. document Mark Hartman
20010530
1.6A
600kHz/1.3MHz DC/DC
GSM/CDMA
DS101273 19971107 Mark Hartman
Operation
24060
MSOP
2.0V
2622 600kHz/1.3MHz Step-up DC/DC Converter
LM2622DC/DC 1.6A 3.3V LM2622 600kHz 1.3MHz LM2622 MSOP
National Semiconductor Corporation
LM2622
DS101273-05-JP
LM2622
View
8-Lead Plastic MSOP Package Number MUA08A
SHDN FSLCT 1.3MHzGND 600kHz
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LM2622
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LM2622
(Note
(Note
200V
SHDN FSLCT (Note
(Note
2.0V
Note
TJ(MAX) PD(MAX) (TJ(MAX) TA)/
Note
Note
100pF 1.5K 200pF
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LM2622
Note (SQC:Statistical Quality Control) AOQL(Average Outgoing Quality Level: Note Note Note "Switch Current Limit VIN" 0.010 MS08 "SCENARIO 'A'"
Note Note
Note 0.010 12.3mm2 MS08 "SCENARIO 'B'" Note 0.010 30.0mm2 MS08 "SCENARIO 'C'" Note 0.010 163mm2 MS08 "SCENARIO 'D'" Note 0.010 6.3mm2 49mm2 MS08 0.5mm "SCENARIO 'E'"
Efficiency Load Current (VOUT kHz) Efficiency Load Current (VOUT MHz)
Switch Current Limit Temperature (VIN 3.3V, VOUT
Switch Current Limit
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LM2622
RDSON (ISW (600 kHz, switching)
(600 kHz, switching)
(1.3 MHz, switching)
(1.3 MHz, switching)
shutdown)
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LM2622
Frequency (600 kHz) Frequency (1.3 MHz)
Load Transient Response (600 operation)
Load Transient Response (1.3 operation)
Figure
Figure
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LM2622
FIGURE Simplified Boost Converter Diagram First Cycle Operation Second Cycle Operation
(CCM)
LM2622 Figure COUT Figure
1.26V FIGURE Inductor current. Diode current.
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LM2622
LM2622 (Figure LM2622 600kHz 1.25MHz LM2622 (VC) LM2622
RDSON "RDSON VIN" (D>0.5) Figure
ILOAD/D') Figure
680pF 4.7nF (CC2 200k
75mA
LM2622 (RHP)
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LM2622
ESR( RESR VOUT 2iLRESR
10Hz 500Hz DC/DC
(RHP 20dB/dec(
fPC2
20dB/dec 20dB/dec
ILOAD
10Hz 500Hz
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LM2622
RDSON DSON VIN"
100nF COUT COUT RFB1 RFB2 AN-1149 "Layout Guidelines Switching Power Supplies"
0.072fs (V/s)
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LM2622
FIGURE Triple Output Bias (600 operation)
Figure LM2622 RFB1 RFB2 C4D4 LM2622 C5D5 LM2622 LM2622 3*VDIODE 0.4V 22.8V
RFB1 600kHz 0.4V)
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LM2622
TABLE Components Circuits Figure
FIGURE Operation
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LM2622
FIGURE Operation
LM2622 (Tjmax TA)/ Tjmax (125
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LM2622
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LM2622 600kHz/1.3MHz DC/DC
inches (millimeters)
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CSP-9-111C2(Customer Products Stewardship Specification) CSP-9-111S2 (Banned Substances Materials Interest Specification) CSP-9-111S2 RoHS
135-0042 2-17-16 TEL.(03)5639-7300
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600kHz 1.3MHz 2004 LM2622 Converted nat2000 Changed Voutto Effici

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