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RT9178-25PBR Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9178-25PBR
Description  200mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9178-25PBR Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9178
3
DS9178-15 March 2007
www.richtek.com
Recommended Operating Conditions
(Note 3)
Supply Input Voltage ------------------------------------------------------------------------------------------------- 2.5V to 6V
Enable Input Voltage ------------------------------------------------------------------------------------------------- 0V to 6V
Junction Temperature Range ---------------------------------------------------------------------------------------
40°C to 125°C
Electrical Characteristics
(VIN = VOUT + 1V, CIN =COUT = 1
μF, CBP = 1nF, TA = 25°C unless otherwise specified)
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage ------------------------------------------------------------------------------------------------- 7V
Enable Input Voltage ------------------------------------------------------------------------------------------------- 7V
Power Dissipation, PD @ TA = 25
°C
SOT-23-5 --------------------------------------------------------------------------------------------------------------- 0.4W
Package Thermal Resistance (Note 8)
SOT-23-5,
θJA ---------------------------------------------------------------------------------------------------------- 250°C/W
Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------- 260
°C
Junction Temperature ------------------------------------------------------------------------------------------------ 150
°C
Storage Temperature Range ----------------------------------------------------------------------------------------
65°C to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------- 200V
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Voltage Accuracy
ΔVOUT IOUT = 1mA
−2
--
+2
%
Current Limit
ILIM
RLOAD = 1Ω
--
400
--
mA
Quiescent Current
(Note 6)
IQ
VEN > 1.0V, IOUT = 0mA
--
90
150
μA
Dropout Voltage
(Note 4)
VDROP
IOUT = 200mA
--
200
300
mV
Line Regulation
ΔVLINE
VIN = (VOUT + 0.3V) to 6.0V,
IOUT = 1mA
--
--
6
mV/V
Load Regulation
(Note 5)
ΔVLOAD 1mA < IOUT < 200mA
--
7
20
mV
Standby Current
(Note 7)
ISTBY
VEN = GND, Shutdown
--
0.01
1
μA
EN Input Bias Current
IIBSD
VEN = GND or VIN
--
0
100
nA
Logic-Low Voltage VIL
VIN = 3V to 5.5V, Shutdown
--
--
0.4
EN Threshold
Logic-High Voltage VIH
VIN = 3V to 5.5V, Start-Up
1.0
--
--
V
Output Noise Voltage
eNO
10Hz to 100kHz, IOUT = 200mA
COUT = 10μF
--
50
--
μVRMS
f = 100Hz
--
−70
--
Power Supply
Rejection Rate
f = 10kHz
PSRR
COUT = 10μF, IOUT = 200mA
--
−40
--
dB
Thermal Shutdown Temperature
TSD
--
150
--
°C


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