RT7257G Просмотр технического описания (PDF) - Richtek Technology
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Компоненты Описание
производитель
RT7257G Datasheet PDF : 15 Pages
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RT7257G
6.0
5.8
5.6
5.4
5.2
5.0
4.8
4.6
4.4
4.2
4.0
-50
Current Limit vs. Temperature
VIN = 12V, VOUT = 3.3V
-25
0
25 50 75 100 125
Temperature (°C)
Load Transient Response
Current Limit vs. Input Voltage
7
6
5
VOUT = 1.2V
4
VOUT = 5V
3
2
1
0
4
6
8
10 12 14 16 18
Input Voltage (V)
Output Ripple Voltage
VOUT
(100mV/Div)
VSW
(10V/Div)
VOUT
(10mV/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1A to 3A
Time (100μs/Div)
Power On from VIN
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (1μs/Div)
Power Off from VIN
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
8
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
is a registered trademark of Richtek Technology Corporation.
DS7257G-01 September 2012
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