参数资料
型号: BD95513MUV-E2
厂商: Rohm Semiconductor
文件页数: 11/20页
文件大小: 0K
描述: IC REG BUCK ADJ 3A 32VQFN
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.7 V ~ 5 V
输入电压: 4.5 V ~ 28 V
PWM 型: 混合物
频率 - 开关: 200kHz ~ 600kHz
电流 - 输出: 3A
同步整流器:
工作温度: -10°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
包装: 标准包装
供应商设备封装: VQFN032V5050
产品目录页面: 1373 (CN2011-ZH PDF)
其它名称: BD95513MUV-E2DKR
BD95513MUV
● Timing Chart
? Soft Start Function
EN
t SS
Technical Note
The soft start function is enabled when the EN pin is set high.
Current control circuitry takes effect at startup, yielding a
moderate “ramping start” in output voltage. Soft start timing
and incoming current are given by equation (2) and (3) below:
Soft start period:
SS
t SS =
V REF × Cs s
2μA(typ)
[sec] ??? (2)
V OUT
Rush current:
I IN (ON)=
Co × V OUT
tss
[A] ??? (3)
I IN
(Css: soft start capacitor; Co: output capacitor)
? Timer Latch-type Short Circuit Protection
V OUT
SCP
V REF × 0.70
1ms
When output voltage falls to V REF x 0.70 or less, the output short
circuit protection engages, turning the IC off after a set period of
time to prevent internal damage. When EN is switched back on
or when UVLO is cleared, output continues.
The time period before shutting off is set internally at 1ms.
EN/UVLO
? Output Over-Voltage Protection
V OUT
HG
V REF × 1.2
When output reaches or exceeds V REF x 1.2, the output
over-voltage protection is engaged, turning the low-side FET
completely on to reduce the output (low gate on, high gate off).
When the output falls, it returns to standard mode.
LG
Switching
www.rohm.com
? 2010 ROHM Co., Ltd. All rights reserved.
11/17
2010.10- Rev.A
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