参数资料
型号: IXS839BQ2T/R
厂商: IXYS
文件页数: 3/11页
文件大小: 0K
描述: IC MOSFET DRIVER SYNC BUCK 10QFN
标准包装: 2,000
配置: 高端和低端,同步
输入类型: 非反相
延迟时间: 35ns
电流 - 峰: 2A
配置数: 1
输出数: 2
高端电压 - 最大(自引导启动): 24V
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-VFQFN 裸露焊盘
供应商设备封装: 10-QFN
包装: 带卷 (TR)
IXYS
Pin Description and Configurations
IXS839 / IXS839A / IXS839B
IXS839
1
2
IXS839A
3
5
IXS839B
10
2
Name
BST
PWM
Description
Upper Gate Driver Floating DC Power Terminal for Bootstrap
Capacitor Connection.
TTL-level Input Signal with active pull-down. PWM input to the
Gate Drivers.
Terminal for External Delay Capacitor Connection. Capacitor
3
7
4
DLY
to Ground at this pin adds propagation delay from Lower Gate
Driver going Low to the Upper Gate Driver going High.
t DLY (nS) = C DLY (pF) x (0.5nS/pF)
4
5
6
7
8
N/A
N/A
8
9
10
1
2
4
6
5
6
7
8
9
1
3
VDD
LGD
PGND
SW
HGD
__
SD
___
LSD
Positive Supply Terminal for Logic and Lower Gate Driver. A
ceramic bypass capacitor of 1uF should be connected from
VDD to PGND.
Lower Gate Driver Output Terminal
Lower Gate Driver DC Power Return Terminal, Logic and
Analog Ground
Upper Gate Driver Floating DC Power Return Terminal
Upper Gate Driver Output Terminal
TTL-level Shut Down Input Signal with active pull-up.
SD enables normal operation when high. When SD is low,
the driver outputs are forced low and I DD is at its minimum.
TTL-level Low Side Shut Down Input Signal with active pull-
up. LSD, when low forces the Lower Gate Driver output low.
When LSD is high, the lower Gate Driver output is enabled.
SOIC and QFN Top View Pin Configurations
IXS839AQ2 9
IXS839BQ2 9
BST 1
PWM 2
DLY 3
IXS839S1
8 HGD
7 SW
6 PGND
SW 1
HGD 2
BST 3
SD 4
10 PGND
LGD
8 VDD
7 DLY
SD 1
PWM 2
LSD 3
DLY 4
10 BST
HGD
8 SW
7 PGND
VDD 4
5 LGD
PWM 5
6
LSD
VDD 5
6
LGD
3
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