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  Taiwan Semiconductor (TSMC) Electronic Components Datasheet  

TS4266G Datasheet

150mA Ultra Low Drop Out Voltage Regulator

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TS4266G
Preliminary
150mA Ultra Low Drop Out Voltage Regulator with Inhibit
Pin assignment:
1. Input
2. Inhibit
3. Output
4. Ground
High Input Voltage up to 45V
Low Dropout Voltage 0.5V (max)
Low Power Consumption 40uA (typ)
General Description
TS4266G is a 5V low-drop fixed-voltage regulator in an SOT-223-4L package. It can be switched ON and OFF by the
Inhibit pin. It is functional and pin compatible to the TS4266, but with a reduced quiescent current of <1uA in OFF mode
and 40uA in ON mode. The TS4266G is especially designed for all applications that require very low quiescent current
in ON and OFF mode. It is designed to supply microprocessor systems under the sever condition of automotive
applications and therefore it is equipped with additional protection against over load, short circuit and over temperature.
TS4266G also can be used in other applications, where a stabilized voltage and the inhibit feature is required. The IC
regulates an input voltage in the range of 5.5V < Vin < 45V to Vout(rated) = 5.0V. The maximum output current is more
than 150mA. This IC is regulated at the inhibit pin pull high level voltage.
Features
Fixed output voltage 5V
Output voltage tolerance +/-3 %
150mA current capability
Ultra low drop out voltage
Very low current consumption 40uA (typ)
Over temperature protection
Short-circuit proof
Reverse polarity proof
Wide temperature range
Suitable for use in automotive electronics
Inhibit control
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Block Diagram
Ordering Information
Part No.
TS4266GCW450
Operating Temp. Package
-40 ~ 150 oC
SOT-223-4L
Pin Definition and Function
Pin Symbol
Function
1 Input Block to ground directly on IC with
ceramic capacitor
2 Inhibit Inhibit input, high level turn IC on
3 Output Block to ground with 10uF capacitor,
ESR < 4
4 Ground Ground
TS4266G Preliminary
1-1
2004/12 rev. A


  Taiwan Semiconductor (TSMC) Electronic Components Datasheet  

TS4266G Datasheet

150mA Ultra Low Drop Out Voltage Regulator

No Preview Available !

Absolute Maximum Rating
Parameter
Input Supply Voltage
Inhibit Supply Voltage
Operating Input Voltage
Output Voltage
Power Dissipation
Ground Current
Operating Junction Temperature Range
Storage Temperature Range
Thermal Performance
Symbol
Vin
Vinhibit
Vin(opr)
Vout
PD
IGND
TJ
TSTG
Values
-42 ~ 45
-42 ~ 45
5.5 ~ 45
-1 ~ 32
Internally Limited
50
-40 ~ +150
-50 ~ +150
Parameter
Junction to Ambient
Junction to Case
Electrical Characteristics
Symbol
RΘja
RΘjc
Values
81
18
Vin = 13.5V, Vinhibit= 5V, -40 Tj +150, unless otherwise specified.
Parameter
Conditions
Min Typ
Output Voltage
6V Vin 21V, 5mA Io 100mA 4.85
5.0
Output Voltage
6V Vin 16V, 5mA Io 50mA
4.90
5.0
Output Current Limited
150 --
www.DataLSinheeeRt4eUg.ucolamtion
6V Vin 28V, Io=1mA
-- 15
Load Regulation
1mA Io 100mA, Vin= 6V
-- 50
Dropout Voltage (note 1)
Current Consumption
(Iq= Iin – Iout)
Io=100mA
Vinhibit= 0V, Tj100 oC
Io= 100uA
-- 0.25
-- 0
-- 40
Io= 50mA
-- 1.7
Power Supply Ripple Rejection
f = 100Hz, Vr= 0.5Vp-p
-- 68
Inhibit
Inhibit ON Voltage
3.5 --
Inhibit OFF Voltage
-- --
Inhibit Current
Vinhibit= 5V
-- 4
Pull Down Resistor
See Inhibit Current
-- 1.0
Note 1: Drop voltage = Vin – Vout
(measured where Vout has dropped 100mV from the nominal value obtained at Vin= 13.5V)
Max
5.15
5.10
--
30
90
0.5
1
70
4
--
--
0.8
8
--
Unit
V
V
V
V
W
mA
oC
oC
Unit
oC/W
Unit
V
V
mA
mV
mV
V
uA
mA
dB
V
V
uA
M
TS4266G Preliminary
2-2
2004/12 rev. A


Part Number TS4266G
Description 150mA Ultra Low Drop Out Voltage Regulator
Maker Taiwan Semiconductor Company
Total Page 4 Pages
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