RT9027A/B
Shutdown Current vs. Temperature
15
14
13
VSET = 1V
12
11
10
VSET = 2V
9
8
7
6
5
-50 -25
0
25 50 75
Temperature (°C)
EN = 0V
100 125
VIN
(5V/Div)
VEN
(5V/Div)
VOUT
(1V/Div)
IOUT
(0.5A/Div)
VIN
(5V/Div)
VSET
(1V/Div)
VOUT
(1V/Div)
IOUT
(0.5A/Div)
Start Up from VSET
VIN
(5V/Div)
VSET = 1V, VIN = VEN = 5V
VOUT = 1.6V, IOUT = 500mA
Time (50us/Div)
Short-Circuit Protection
VOUT
(1V/Div)
IOUT
(0.5A/Div)
VOUT
(2V/Div)
VOUT
(2V/Div)
Start Up for EN
VSET = 1V, VIN = VEN = 5V
VOUT = 1.6V, IOUT = 500mA
Time (5us/Div)
Start Up from VIN
VSET = 1V, VIN = VEN = 5V
VOUT = 1.6V, IOUT = 500mA
Time (2.5ms/Div)
Short-Circuit Protection
IOUT
(0.5A/Div)
VSET = 1V, VIN = VEN = 5V
VOUT = 1.6V
Time (1ms/Div)
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IOUT
(1A/Div)
VSET = 2V, VIN = VEN = 5V
VOUT = 3.2V
Time (1ms/Div)
DS9027A/B-01 October 2008
Free Datasheet http://www.Datasheet-PDF.com/