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MCP1257-EUN Datasheet(PDF) 3 Page - Microchip Technology

tên linh kiện MCP1257-EUN
Nội dung chi tiết  Regulated 3.3V, Low-Ripple Charge Pump with Low- Operating Current SLEEP Mode or BYPASS Mode
tải về  24 Pages
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nhà sản xuất  MICROCHIP [Microchip Technology]
Trang chủ  http://www.microchip.com
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© 2006 Microchip Technology Inc.
DS21989A-page 3
MCP1256/7/8/9
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings†
Power Supply Voltage, VIN...............................................3.8V
Voltage on Any Pin w.r.t. GND ................. -0.3V to (VIN+0.3V)
Output Short Circuit Duration ................................continuous
Storage Temperature Range.........................-65°C to +150°C
Ambient Temperature with Power Applied ....-55°C to +125°C
Maximum Junction Temperature................................. +150°C
ESD protection on all pins
Human Body Model (1.5 k
Ω in Series with 100 pF).......≥ 2kV
Machine Model (200 pF, No Series Resistance) .............200V
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied.
Exposure to maximum rating conditions for extended periods
may affect device reliability.
DC CHARACTERISTICS
Electrical Specifications: Unless otherwise indicated, all limits apply for VIN = 1.8V to 3.6V, SHDN = VIN, CIN = COUT = 10 μF,
C1 = C2 = 1 μF, IOUT = 10 mA, TJ = -40°C to +125°C. Typical values are at TJ = +25°C.
Parameters
Sym
Min
Typ
Max
Unit
s
Conditions
ALL DEVICES
Supply Voltage
VIN
1.8
3.6
V
Output Voltage
VOUT
—3.3
V
Output Voltage Accuracy
VOUT
-3.0
±0.5
+3.0
%
IOUT = 10 mA to IOUT(MAX)
Output Current
IOUT(MAX)
30
mA 1.8V < VIN < 2.0V
70
mA 2.0V < VIN < 2.2V
100
mA 2.2V < VIN < 3.6V
Short Circuit Current
ISC
150
mA VOUT = 0V, VIN = 1.8V to 3.6V
Power Efficiency
η
84.5
%
VIN = 1.8V, IOUT = 10 mA
84.5
%
VIN = 1.8V, IOUT = 50 mA
76.4
%
VIN = 2.0V, IOUT = 10 mA
80.1
%
VIN = 2.0V, IOUT = 50 mA
64.0
%
VIN = 2.4V, IOUT = 10 mA
67.1
%
VIN = 2.4V, IOUT = 50 mA
67.5
%
VIN = 2.4V, IOUT = 100 mA
69.7
%
VIN = 2.8V, IOUT = 10 mA
76.0
%
VIN = 2.8V, IOUT = 50 mA
76.7
%
VIN = 2.8V, IOUT = 100 mA
65.0
%
VIN = 3.0V, IOUT = 10 mA
71.0
%
VIN = 3.0V, IOUT = 50 mA
71.6
%
VIN = 3.0V, IOUT = 100 mA
Shutdown Input - SHDN
SHDN Input Voltage Low
VIL(SHDN)
——
0.4
V
SHDN Input Voltage High
VIH(SHDN)
1.4
V
SHDN Input Leakage
Current
ILK(SHDN)
0.001
0.1
μA
SHDN Quiescent Current
IQ
—0.25
2
μAVSHDN = 0V, TJ = +25°C
Thermal Shutdown
Thermal Shutdown
Threshold
TJ
160
°C
Thermal Shutdown
Hysteresis
TJ(HYS)
—15
°C



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