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HA16108P 参数 Datasheet PDF下载

HA16108P图片预览
型号: HA16108P
PDF下载: 下载PDF文件 查看货源
内容描述: PWM开关稳压器的高性能电压模式控制 [PWM Switching Regulator for High-performance Voltage Mode Control]
分类和应用: 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
文件页数/大小: 40 页 / 454 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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HA16107P/FP, HA16108P/FP
PWM Switching Regulator for
High-performance Voltage Mode Control
REJ03F0141-0400
(Previous: ADE-204-012C)
Rev.4.00
Jun 15, 2005
Description
The IC products in this series are primary control switching regulator control IC’s appropriate for obtaining stabilized
DC voltages from commercial AC power.
These IC’s can directly drive power MOS FET’s, they have a timer function built in to the secondary overcurrent
protection, and they can perform intermittent operation or delayed latched shutdown as protection operations in unusual
conditions. They can be used to implement switching power supplies with a high level of safety due to the wide range
of built-in functionality.
Functions
6.45 V reference voltage
Triangle wave generator
Error amplifier
Under voltage lockout protector
PWM comparator
Pulse-by-pulse current limitting
Timer-latch current limitting (HA16107)
ON/OFF timer function (HA16108)
Soft start and quick shutdown
Output circuit for power MOS FET driving
Features
Operating frequencies up to a high 600 kHz
Built-in pre-driver circuit for driving power MOS FET
Built-in timer latch over-current protection function (HA16107)
The OCL enables intermittent operation by an ON/OFF timer for prevention of secondary overcurrent. (HA16108)
The UVL function (under voltage lockout) is applied to both Vin and Vref.
ON/OFF reset: an auto-reset function which is based on the time constant of an external capacitor and observation
of drops in Vin.
Since the over-voltage protection function OVP (the TL pin) only observes voltage drops in Vin, it is possible to use
the OVP and ON/OFF pin for independent purposes.
Built-in 34 V Zener diode between Vin and ground.
Rev.4.00 Jun 15, 2005 page 1 of 39