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RT9181CB Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9181CB
Description  150MA LDO REGULATOR WITH POG
PDF  10 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9181CB Datasheet(HTML) 3 Page - Richtek Technology Corporation

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Preliminary
RT9181
DS9181-00 February 2002
www.richtek-ic.com.tw
3
Absolute Maximum Ratings
Input Voltage, VIN
7V
CE Input Voltage
7V
Power Good Output Voltage
7V
Power Dissipation, PD @ TA = 25
°C
SOT-25
570mW
Junction Temperature Range
-40
°C ~ 125°C
Storage Temperature Range
-65
°C ~ 150°C
Operating Temperature Range
0
°C ~ 70°C
Lead Temperature (Soldering, 10 sec.)
260
°C
Electrical Characteristics
(VIN = 5V, CIN = COUT = 1
µF, TA = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max Units
Input Voltage Range
VIN
3--
5.5
V
IL = 25mA
1.182
1.2
1.218
Output Voltage Accuracy
∆VOUT
IL = 0.1mA, TA = 0
°C to 70°C (Note)
-2
--
+2
%
Output Load Current
Continuous
150
--
--
mA
Current Limit
ILIMIT
RLOAD = 1
Ω
160
300
--
mA
GND Current
IG
No Load
90
160
250
µA
Line Regulation
∆VLINE VIN = 3 to 5.5V, IOUT = 0.1mA
-0.3
--
+0.3
%
Load Regulation
∆VLOAD IL = 0.1mA to 150mA
--
--
+3
%
Dropout Voltage
VDROP
IL = 150mA
--
1
--
V
CE Input High Threshold
VIN = 3 to 5.5V
2
--
--
V
CE Input Low Threshold
VIN = 3 to 5.5V
--
--
0.8
V
CE Input Bias Current
CE = GND or VIN
--
--
100
nA
CE Supply Current
CE = GND
--
0.01
--
µA
VPOGH Power Good Low Threshold
Output falls % of VOUT (power NOT
timer (Power good))
85
--
--
%
VPOGH Power Good High Threshold
Output reaches % of VOUT, start
delay timer (power good)
--
--
90
%
VOL Power Good Output Logic Low
Fault condition, IOL = 100
µA--
--
0.4
V
td(POG) Delay Time to Power Good
See timing diagram
1
2
5
mS
Power Up Overshoot
Maximum voltage overshoot allowed
on output during power-up
--
1
--
%
Thermal Shutdown Temperature
TSD
--
150
--
°C
Thermal Shutdown Hysteresis
--
20
--
°C
Output Voltage AC PSRR
100Hz, COUT = 1
µF, RLOAD = 100Ω
--
62
--
dB
Note: Assured by design, not tested in production



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