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參數(shù)資料
| 型號： | HA16666P |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | FPGA |
| 英文描述： | 2000000 SYSTEM GATE 1.5 VOLT FPGA |
| 中文描述： | 600kHz的PWM控制開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 93K |
| 代理商： | HA16666P |
HA16666P/FP
600kHz PWM Controlled Switching Regulator
Description
The HA16666P/FP is a voltage mode PWM (pulse width modulation) control IC for switching regulator
control. It can drive a power MOS FET efficiently on 600 kHz. Its stanby current is 0.3 mA (max), and it is
used as the primary control power supply.
Functions
+5 V reference voltage circuit
Triangular waveform oscillator
PWM comparator
Output circuit (Totem pole output)
Overcurrent protection circuit (with one-pulselatch mode)
Undervoltage lockout protectoin circuit
Soft start and quick shutdown function
Remote control function
Comparator with internal 1.3 V reference voltage
Features
High-speed switching;
tr = 80 ns (15 V amplitude)
tf = 40 ns (15 V amplitude)
Low power dissipation;
0.3 mA max in standby state
12 mA max in operation state (V
IN
= 15 V)
Dual-slope highly accurate dead-band duty setup circuit; Setup accuracy Du = ±3% (max)
Wide output pulse width control range; 0 to 75%
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