参数资料
型号: NCP3488DR2G
厂商: ON Semiconductor
文件页数: 2/7页
文件大小: 0K
描述: IC MOSFET DRVR DUAL 12V 8-SOIC
产品变化通告: Product Obsolescence 19/Dec/2008
标准包装: 2,500
配置: 高端和低端,同步
输入类型: PWM
延迟时间: 30ns
配置数: 1
输出数: 2
高端电压 - 最大(自引导启动): 30V
电源电压: 4.6 V ~ 13.2 V
工作温度: 0°C ~ 85°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: 带卷 (TR)
NCP3488
OD
3
V CC
TSD
1
BST
UVLO
IN
2
8
DRVH
FALLING
EDGE
DELAY
MONITOR
7
SWN
FALLING
EDGE
DELAY
MONITOR
START STOP
MIN DRVL
OFF TIMER
NON ? OVERLAP
TIMERS
4
5
6
V CC
DRVL
PGND
Figure 1. Block Diagram
PIN DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
Symbol
BST
IN
OD
V CC
DRVL
PGND
SWN
DRVH
Description
Upper MOSFET Floating Bootstrap Supply. A capacitor connected between BST and SW pins holds this
bootstrap voltage for the high ? side MOSFET as it is switched. The recommended capacitor value is between
100 nF and 1.0 m F. An external diode is required with the NCP3488.
Logic ? Level Input. This pin has primary control of the drive outputs.
Output Disable. When low, normal operation is disabled forcing DRVH and DRVL low.
Input Supply. A 1.0 m F ceramic capacitor should be connected from this pin to PGND.
Output drive for the lower MOSFET.
Power Ground. Should be closely connected to the source of the lower MOSFET.
Switch Node. Connect to the source of the upper MOSFET.
Output drive for the upper MOSFET.
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