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MCP1640T-IMC Datasheet(PDF) 4 Page - Microchip Technology

Part # MCP1640T-IMC
Description  0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1640T-IMC Datasheet(HTML) 4 Page - Microchip Technology

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MCP1640/B/C/D
DS22234A-page 4
 2010 Microchip Technology Inc.
TEMPERATURE SPECIFICATIONS
NMOS Peak Switch Current
Limit
IN(MAX)
600
850
mA
Note 5
VOUT Accuracy
VOUT%
-3
+3
%
Includes Line and Load
Regulation; VIN = 1.5V
Line Regulation
V
OUT/
VOUT) /
V
IN|
-1
0.01
1
%/V
VIN = 1.5V to 3V
IOUT = 25 mA
Load Regulation
V
OUT /
VOUT|
-1
0.01
1
%IOUT = 25 mA to 100 mA;
VIN = 1.5V
Maximum Duty Cycle
DCMAX
88
90
%
Switching Frequency
fSW
425
500
575
kHz
EN Input Logic High
VIH
90
——
%of VIN IOUT = 1 mA
EN Input Logic Low
VIL
——
20
%of VIN IOUT = 1 mA
EN Input Leakage Current
IENLK
0.005
µA
VEN = 5V
Soft-start Time
tSS
750
µS
EN Low to High, 90% of
VOUT; Note 4
Thermal Shutdown Die
Temperature
TSD
150
C
Die Temperature Hysteresis
TSDHYS
10
C
Electrical Specifications:
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Operating Junction Temperature
Range
TJ
-40
+125
°C
Steady State
Storage Temperature Range
TA
-65
+150
°C
Maximum Junction Temperature
TJ
+150
°C
Transient
Package Thermal Resistances
Thermal Resistance, 5L-TSOT23
JA
192
°C/W
EIA/JESD51-3 Standard
Thermal Resistance, 8L-2x3 DFN
JA
—93
°C/W
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: Unless otherwise indicated, VIN = 1.2V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT =3.3V, IOUT =15 mA,
TA = +25°C.
Boldface specifications apply over the TA range of -40
oC to +85oC.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note 1:
3.3 K
 resistive load, 3.3V
OUT (1 mA).
2:
For VIN > VOUT, VOUT will not remain in regulation.
3:
IQ is measured from VOUT; VIN quiescent current will vary with boost ratio. VIN quiescent current can be
estimated by: (IQPFM * (VOUT/VIN)), (IQPWM * (VOUT/VIN)).
4:
220
 resistive load, 3.3V
OUT (15 mA).
5:
Peak current limit determined by characterization, not production tested.


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