参数资料
型号: NCP5355DR2
厂商: ON Semiconductor
文件页数: 2/10页
文件大小: 0K
描述: IC DRVR MOSF SYNC BUCK 12V 8SOIC
产品变化通告: Product Obsolescence 11/Feb/2009
标准包装: 1
配置: 高端和低端,同步
输入类型: 反相和非反相
延迟时间: 30ns
电流 - 峰: 2A
配置数: 1
输出数: 2
高端电压 - 最大(自引导启动): 26V
电源电压: 9.2 V ~ 13.2 V
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 剪切带 (CT)
其它名称: NCP5355DR2OSCT
NCP5355
5V
V S
5 V Regulator
5V
BST
Overtemp.
Shutdown
5V
5V
5V
V S
5V
Level Shift
TG
?
+
UVLO
5V
Driver
100 k
DRN
8.0/7.0 V
Nonoverlap
30 k
PGND
5V
30 ns
5V
20 k
CO
5V
Nonoverlap
30 ns
20 k
2.0 m A
5V
5V
5V
V S
V S
30 k
EN
PACKAGE PIN DESCRIPTION
Figure 1. Block Diagram
Level Shift
Driver
BG
Pin
1
2
3
4
5
6
7
8
Pin Symbol
DRN
TG
BST
CO
EN
V S
BG
PGND
Description
The switching node common to the high and low?side FETs. The high?side (TG) driver and supply (BST)
are referenced to this pin.
Driver output to the high?side MOSFET gate.
Bootstrap supply voltage input. In conjunction with an internal diode to V S , a 0.1 m F to 1.0 m F ceramic
capacitor connected between BST and DRN develops supply voltage for the high?side driver (TG).
Logic level control input produces complementary output states ? no inversion at TG; inversion at BG.
Logic level enable input forces TG and BG low when EN is low. When EN is high (5.0 V), normal operation
ensues. No connect defaults EN high. Note: maximum high input is 5.0 V.
Power supply input. A 0.1 m F to 1.0 m F ceramic capacitor should be connected from this pin to PGND.
Driver output to the low?side (synchronous rectifier) MOSFET gate.
Ground.
http://onsemi.com
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