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TOKO

TK11235C Datasheet Preview

TK11235C Datasheet

LDO Regulator

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IC DATA SHEET
LDO REGULATOR WITH ON/OFF SWITCH
TK112xxC
MEETING YOUR NEEDS




TOKO

TK11235C Datasheet Preview

TK11235C Datasheet

LDO Regulator

No Preview Available !

TOKO Inc.
IC Data Sheet
Features
TK112xxC
Very low Dropout Voltage. (Vdrop=105mV at 100mA)
Very good stability (CL=0.1µF is stable for any type capacitor with 2.5V Vout)
High Precision output Voltage (±1.5% or ±50mV)
Good ripple rejection ratio (80dB at 1KHz)
Wide operating voltage range (1.8V 14.5V)
Peak output current is 480mA.(10% down point)
Built-in Short circuit protection
Built-in Thermal Shutdown
Suitable for Very Low Noise Applications
Built-in on/off Control (0.1µA Max Standby current) High On
Very Small Surface Mount Packages SOT23L / SOT89 package
Built-in reverse bias over current protection
Description
The TK112xxC is an integrated circuit with a silicon monolithic bipolar structure. The regulator is of the
low saturation voltage output type with very little quiescent current (65µA).
The PNP power transistor is built-in. The I/O voltage difference is 0.17V (typical) when a current of
200mA is supplied to the system. Because of the low voltage drop, the voltage source can be effectively
used; this makes it very suitable for battery powered equipment.
The on/off function is built into the IC. The current during standby mode becomes very small (pA level).
The output voltage is available from 1.5 to 10.0V in 0.1V steps. The output voltage is trimmed with high
accuracy. This allows the optimum voltage to be selected for the equipment.
The over current sensor circuit and the reverse-bias protection circuit are built-in.
It is a very rugged design because the ESD protection is high. Therefore, the TK112xxC can be used with
confidence.
When mounted on the PCB, the power dissipation rating becomes about 600mW/ 900mW, even though
the packages are very small.
The TK112xxC features very high stability in both DC and AC.
The capacitor on the output side provides stable operation with 0.1µF with 2.5V Vout. A capacitor of
any type can be used; however, the larger this capacitor is, the better the overall characteristics are.
GC3-H026A
Page 2


Part Number TK11235C
Description LDO Regulator
Maker TOKO
Total Page 22 Pages
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