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MCP16251 Datasheet(PDF) 4 Page - Microchip Technology

Part # MCP16251
Description  Low Quiescent Current, PFM/PWM 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

MCP16251 Datasheet(HTML) 4 Page - Microchip Technology

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MCP16251/2
DS20005173B-page 4
 2013 - 2016 Microchip Technology Inc.
NMOS Switch Leakage
INLK
0.15
µA
VIN = VSW = 5V 
VOUT = 5.5V
VEN = VFB = GND
PMOS Switch Leakage
IPLK
0.15
µA
VIN = VSW = GND
VOUT = 5.5V
NMOS Switch
ON Resistance
RDS(ON)N
0.45
VIN = 3.3V
ISW = 100 mA
PMOS Switch
ON Resistance
RDS(ON)P
0.9
VIN = 3.3V
ISW = 100 mA
NMOS Peak
Switch Current Limit
IN(MAX)
650
mA
Note 5
VOUT Accuracy
VOUT%
-3
+3
%
Includes Line and Load
Regulation; VIN = 1.5V
Line Regulation
(V
OUT/VOUT)
/
V
IN
-0.4
0.3
0.4
%/V
VIN = 1.5V to 2.8V
IOUT = 50 mA
Load Regulation
V
OUT/VOUT
-1.5
0.1
1.5
%
IOUT = 25 mA to 100 mA
VIN = 1.5V
Maximum Duty Cycle
DCMAX
87
89
91
%
Note 5
Switching Frequency
fSW
425
500
575
kHz
EN Input Logic High
VIH
70
% of VIN IOUT = 1 mA
EN Input Logic Low
VIL
20
% of VIN IOUT = 1 mA
EN Input Leakage Current
IENLK
5.0
nA
VEN = 5V
Soft Start Time
tSS
1.5
ms
EN Low to High
90% of VOUT
(Note 4), (Note 5)
Thermal Shutdown
Die Temperature
TSD
160
C
IOUT = 20 mA
VIN > 1.4V
Die Temperature
Hysteresis
TSDHYS
20
C
DC CHARACTERISTICS (CONTINUED)
Electrical Characteristics: Unless otherwise indicated, VIN = 1.5V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT = 3.3V,
IOUT = 0 mA, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.
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:
IQOUT is measured at VOUT, VOUT is supplied externally for VOUT > VIN (device is not switching), IQIN is
measured at VIN pin during Sleep period, no load.
4:
220
 resistive load, 3.3V
OUT (15 mA).
5:
Determined by characterization, not production tested.
TEMPERATURE SPECIFICATIONS
Electrical Characteristics: Unless otherwise indicated, VIN = 1.5V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT = 3.3V, IOUT = 0 mA.
Parameters
Sym.
Min.
Typ.
Max.
Units
Conditions
Temperature Ranges
Operating Temperature Range
TJ
-40
+85
°C
Steady State
Storage Temperature Range
TA
-65
+150
°C
Maximum Junction Temperature
TJ
+150
°C
Transient
Package Thermal Resistances
Thermal Resistance, SOT-23, 6-LD
JA
190.5
°C/W
EIA/JESD51-3 Standard
Thermal Resistance, TDFN, 2x3x0.8m, 8-LD
JA
52.5
°C/W


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