参数资料
型号: NCP5322ADWR2
厂商: ON Semiconductor
文件页数: 9/31页
文件大小: 0K
描述: IC CTRLR BUCK 2PH STEPDWN 28SOIC
产品变化通告: Product Obsolescence 11/Feb/2009
标准包装: 1
应用: 控制器,高性能处理器
输入电压: 4.5 V ~ 14 V
输出数: 2
输出电压: 3.3V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC
包装: 剪切带 (CT)
其它名称: NCP5322ADWR2OSCT
NCP5322A
PACKAGE PIN DESCRIPTION (continued)
PACKAGE PIN #
SO?28L
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
PIN SYMBOL
I LIM
REF
V CCH2
GATE(H)2
GND2
GATE(L)2
V CCL2
SS
LGND
V CCH1
GATE(H)1
GND1
GATE(L)1
V CCL1
V CCL
R OSC
FUNCTION
Sets threshold for current limit. Connect to reference through
a resistive divider. This pin’s maximum working voltage is
1.3 Vdc.
Reference output. Decouple with 0.1 m F to LGND.
Power for GATE(H)2.
High side driver #2.
Return for #2 drivers.
Low side driver #2.
Power for GATE(L)2.
Soft Start capacitor pin. The Soft Start capacitor controls
both Soft Start time and hiccup mode frequency. The COMP
pin is clamped below Soft Start during Start?Up and hiccup
mode.
Return for internal control circuits and IC substrate connection.
Power for GATE(H)1. UVLO Sense for High Side Driver sup-
ply connects to this pin.
High side driver #1.
Return #1 drivers.
Low side driver #1.
Power for GATE(L)1.
Power for internal control circuits. UVLO Sense for Logic
connects to this pin.
A resistor from this pin to ground sets operating frequency
and V FB bias current.
http://onsemi.com
9
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