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參數(shù)資料
| 型號： | HA16107FP |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Isolated Flyback Switching Regulator with 9V Output |
| 中文描述： | 隔離反激式開關(guān)穩(wěn)壓9V輸出 |
| 文件頁數(shù)： | 11/38頁 |
| 文件大小： | 170K |
| 代理商： | HA16107FP |
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HA16107P/FP, HA16108P/FP
11
Undervoltage Lockout and PWM Output
The undervoltage lockout function turns off the PWM pulse output when the controller’s supply voltage
goes below a designated value. These ICs have two undervoltage lockout circuits. The UVL1 circuit
senses the supply voltage V
IN
. The UVL2 circuit senses the Vref voltage. A feature of these ICs is that
PWM output is turned on only when both voltages are above designated values. Otherwise, the IC operates
in standby mode.
The two built-in undervoltage lockout circuits make it possible to configure an extremely safe power
supply system. PWM output will shut down under a variety of abnormal conditions, such as if Vref is
shorted to ground while V
IN
is applied.
0
10 V
20 V
30 V
34 V
I
IN
9.5 V
16.2 V
*
1
0
10 V
20 V
30 V
*
2
6.45 V
Notes: 1.
2.
Breakdown voltage of
the internal Zener
diode (V
z
= 34 V typ).
Hysteresis characteristic.
0
10 V
20 V
30 V
Vref
6.45 V
0
10 V
20 V
30 V
OUT
5 V
4 V
PWM output shut-down region
UVL1 and UVL2
Operating region
V
IN
V
IN
V
IN
V
IN
V
IN
(UVL1)
Vref (UVL2)
PWM OUT
Standby mode
Note: Double circles indicate standby mode.
L
L
L
H
L
L
H
H
OUT
L
H
L
UVL1 (V
IN
and Vref)
UVL2 (Vref and PWM output)
Vref
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| HA16108FP | 1500000 SYSTEM GATE 1.5 VOLT FPGA |
| HA16108P | 1500000 SYSTEM GATE 1.5 VOLT FPGA |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA16107FP-E | 制造商:Renesas Electronics 功能描述:PWM Switching Regulator 16-Pin SOP Bulk |
| HA16107P | 制造商:Hitachi 功能描述:Swithed-Mode Power Supply Controller, Voltage Mode Type, Bi-Polar, 16 Pin, Plastic, DIP |
| HA16107P-E | 制造商:Renesas Electronics Corporation 功能描述:Pwr management,SW Reg.Control |
| HA16108FP | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:600kHz PWM Switching Regulator Controller |
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