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參數(shù)資料
| 型號： | RT9002B-PS |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | Dual Low-Dropout Regulator with Detector |
| 中文描述： | 雙低壓差穩(wěn)壓器與探測器 |
| 文件頁數(shù)： | 4/11頁 |
| 文件大?。?/td> | 210K |
| 代理商： | RT9002B-PS |
RT9002A/B/C
4
DS9002ABC-03 March 2007
www.richtek.com
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Thermal Shutdown Hysteresis
Δ
T
SD1
--
40
--
°
C
Enable Pin Current
I
EN
V
IN
= 3.5V, Enable
--
0.1
1
μ
A
Regulator 2
RT9002A
3.234
3.30
3.366
RT9002B
2.744
2.80
2.856
Output Voltage Accuracy
RT9002C
Δ
V
OUT2
I
OUT2
= 30mA
3.234
3.30
3.366
V
Maximum Output Current
I
OUT2_MAX
500
--
--
mA
Load Regulation (Note 5)
Δ
V
LOAD2
1mA
<
I
OUT2
<
100mA
--
15
50
mV
V
DROP2_1
I
OUT2
= 30mA
--
50
90
Dropout Voltage (Note 6)
V
DROP2_2
I
OUT2
= 100mA
V
IN2
= 4.3V, I
OUT2
= 0mA
--
150
200
mV
Quiescent Current (Note 7)
I
Q2
--
40
--
μ
A
Line Regulation
Δ
V
LINE2
V
IN2
= 4.3V to 5.5V,
I
OUT2
= 30mA
--
0.01
0.2
%/V
Power Supply Rejection Rate
PSRR2
f = 100Hz, I
OUT2
= 100mA
V
IN2
= 5V
--
60
--
dB
Current Limit
I
LIM2
--
800
--
mA
Thermal Shutdown Protection
T
SD2
--
170
--
°
C
Thermal Shutdown Hysteresis
Δ
T
SD2
--
40
--
°
C
Detector
RT9002A
3.528
3.60
3.672
RT9002B
3.822
3.9
3.978
Detect Fall Voltage
RT9002C
V
DF
3.528
3.60
3.672
V
Hysteresis
Δ
V
HYS
V
DF
x0.02
V
DF
x0.05
V
DF
x0.08
V
RT9002A
V
DOUT
= 0.5V, V
IN2
= 5.0V
7.0
12.0
--
RT9002B
4.0
8.0
--
Sink Current
RT9002C
I
DOUT
V
DOUT
= 0.5V, V
IN2
= 2.0V
4.0
8.0
--
mA
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