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PDF GPM9082 Data sheet ( Hoja de datos )

Número de pieza GPM9082
Descripción 2.5A Boost Convertor
Fabricantes Giant Power Microelectronics 
Logotipo Giant Power Microelectronics Logotipo



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No Preview Available ! GPM9082 Hoja de datos, Descripción, Manual

GPM9082
1MHz, 2.5A Boost Convertor
General Description
Features
The GPM9082 step-up switching regulator generates
an output voltage of up to 5.5V from an input voltage
as low as 2.0V. Ideal for applications where space is
limited, it switches at 1.0MHz, allowing the use of tiny,
low cost and low profile external components.
Its internal 2.5A, 100mΩ NMOS switch provides high
efficiency even at heavy load, while the constant
frequency, current mode architecture results in low,
predictable output noise that is easy to filter. Internal
frequency compensation is designed to accommodate
ceramic output capacitors, further reducing noise.
The device features very low shutdown current of
0.5uA.
The GPM9082 features over current protection, open
load protection, under voltage lock-out and over
temperature protection.
n Internal 2.5A MOSFET Switch
n 1.0MHZ Switching Frequency
n Integrated Soft-Start
n Low 2.0V Vin Operation
n Low Rdson Switch :100mΩ at 5V Output
n Delivers 5V at 1200mA from a 3.3V input
n Cost effective for using smaller devices
n Under-Voltage-Lockout
n Over-Temperature Protection
n Open-Load Protection
n Low profile(1mm):SOT-23-6 package
Applications
n White LED Driver Supply
n Local 3.3V or 5V supply
n Battery Back-up
n Audio System
The GPM9082 is available in SOT-23-6 package.
Typical Application
2.2uH
1
SW
5/6 VIN
VOUT
5V/1200mA
CIN
GPM9082
R2
VIN 10uF
SHDN FB 3
OFF ON 4
CO
10uF
GND
R1
2
Giant Power Microelectronics Co., LTD
1

1 page




GPM9082 pdf
GPM9082
1MHz, 2.5A Boost Convertor
Typical Operating Characteristics
At TA=25°C ,VOUT=5V,unless otherwise specified.
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
VIN=3.8V, VOUT=5V
0%
1 10 50 100 200 300 500 800 1000 1200
Efficiency VS Output Current
5.4
5.2
5
4.8
4.6
4.4
4.2
VIN=3.8V, VOUT=5V
4
1 10 50 100 200 300 500 800 1000 1200
Output Voltage VS Output Current
VIN=3.8V, VOUT=5V
Io=10mA to 1200mA
Load Transient Response
VIN=3.8V, VOUT=5V
Io=500mA
Start-up Response
Giant Power Microelectronics Co., LTD
5

5 Page










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