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参数资料
| 型号： | TK11219CUCB |
| 厂商： | TOKO INC |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1.9 V FIXED POSITIVE LDO REGULATOR, 0.37 V DROPOUT, PDSO6 |
| 封装： | SOT-89, 6-PIN |
| 文件页数： | 12/22页 |
| 文件大小： | 542K |
| 代理商： | TK11219CUCB |
TOKO Inc.
IC Data Sheet
TK112xxC
GC3-H026
GC3-H026B
B
BPage
Page
Page 2
Features
Very low Dropout Voltage. (Vdrop=105mV at 100mA)
Very good stability (CL=0.1F 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 (0.1A 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 (65
A).
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 0.1
F with 2.5V ≤ Vout. A capacitor of
any type can be used; however, the larger this capacitor is, the better the overall characteristics are.
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