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MP1527DM Datenblatt(PDF) 2 Page - Monolithic Power Systems

Teilenummer MP1527DM
Bauteilbeschribung  2A, 1.3MHz Step-Up Converter
PDF  14 Pages
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Hersteller  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1527DM Datenblatt(HTML) 2 Page - Monolithic Power Systems

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MP1527
2A, 1.3MHz
Step-Up Converter
MP1527 Rev 1.8_8/31/05
Monolithic Power Systems, Inc.
2
Monolithic Power Systems
Absolute Maximum Ratings
(Note 1)
Input Supply Voltage
VIN
-0.3V to 27V
SW Pin Voltage VSW
-0.3V to 27V
Voltage at All Other Pins
-0.3V to 6V
Storage Temperature
-55
°C to +150°C
Recommended Operating Conditions
IN Input Supply Voltage VIN
2.6V to 25V
Step Up Output Voltage
3.3V to 25V
Operating Temperature
-40
°C to +85°C
Package Thermal Characteristics
Thermal Resistance ΘJA (TSSOP14)
90°C/W
Thermal Resistance ΘJA (QFN16) (Note 2)
46°C/W
Electrical Characteristics (VIN = 5.0V, TA = 25°C unless specified otherwise)
Parameters
Conditions
Min
Typ
Max
Units
IN Shutdown Supply Current
VEN<0.3V
0.5
1.0
µA
IN Operating Supply Current
VEN>2V, VFB=1.1V
0.9
1.2
mA
BP Output Voltage
VIN = 2.6V to 25V
2.4
V
IN Undervoltage Lockout Threshold
VIN Rising
2.1
2.4
V
IN Undervoltage Lockout Hysteresis
100
mV
EN Input Low Voltage
0.3
V
EN Input High Voltage
1.5
V
EN Input Hysteresis
100
mV
EN Input Bias Current
100
nA
SW Switching Frequency
1.0
1.3
1.5
MHz
SW Maximum Duty Cycle
VFB = 1.1V
85
90
%
Error Amplifier Voltage Gain
400
V/V
Error Amplifier Transconductance
300
µA/V
COMP Maximum Output Current
Sourcing and Sinking
30
µA
FB Regulation Threshold
1.196
1.22
1.244
V
FB Input Bias Current
VFB=1.22V
-100
nA
SS Charging Current
During Soft-Start
2
µA
FAULT Input Threshold Voltage
1.2
V
FAULT Output Low Voltage
VFB < 1.0V
0.2
V
VIN =5V
150
m
Ω
SW On Resistance
VIN =3V
225
m
Ω
SW Current Limit
(Note 3)
2.0
3.0
A
SW Leakage Current
VSW = 25V
0.5
µA
Thermal Shutdown
160
°C
Note 1: Exceeding these ratings may damage the device.
Note 2: Measured on approximately 1” square of 1oz copper.
Note 3: Guaranteed by design. Not tested.



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