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RT9187 Datasheet(PDF) 6 Page - Richtek Technology Corporation

Part # RT9187
Description  1A, Ultra-Low Dropout, Ultra-Fast CMOS LDO Regulator
PDF  8 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9187 Datasheet(HTML) 6 Page - Richtek Technology Corporation

  RT9187 Datasheet HTML 1Page - Richtek Technology Corporation RT9187 Datasheet HTML 2Page - Richtek Technology Corporation RT9187 Datasheet HTML 3Page - Richtek Technology Corporation RT9187 Datasheet HTML 4Page - Richtek Technology Corporation RT9187 Datasheet HTML 5Page - Richtek Technology Corporation RT9187 Datasheet HTML 6Page - Richtek Technology Corporation RT9187 Datasheet HTML 7Page - Richtek Technology Corporation RT9187 Datasheet HTML 8Page - Richtek Technology Corporation  
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RT9187
6
DS9187-08 August 2007
www.richtek.com
Typical Operating Characteristics
(COUT = 2.2
μF/x5R, CBP = 10nF, unless otherwise specified )
Current Limit
Time (1ms/Div)
VIN = 3.3V
4
5
1
2
0
3
Quiescent Current vs. Temperature
0
100
200
300
400
500
-50
-25
0
25
50
75
100
125
Temperature
VIN = 3.3V
(
°C)
-40
Dropout Voltage vs. Load Current
0
50
100
150
200
250
300
0.0
0.2
0.4
0.6
0.8
1.0
Load Current (A)
TJ = 25°C
TJ = 125°C
TJ = -40°C
VOUT = 2.8V
Quiescent Current vs. Input Voltage
0
100
200
300
400
500
33.5
44.5
55.5
Input Voltage (V)
VIN = 3.3V
Time (100us/Div)
EN Pin Shutdown Response
VIN = 3.3V, ILOAD : 560mA
5
10
2
4
0
0
Start Up
Time (25us/Div)
VIN = 3.3V
ILOAD : 560mA
2
4
1
2
0
0



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