参数资料
型号: ISL6614AIBZ
厂商: Intersil
文件页数: 7/12页
文件大小: 0K
描述: IC DRIVER DUAL SYNC BUCK 14-SOIC
标准包装: 1,000
配置: 高端和低端,同步
输入类型: PWM
延迟时间: 10ns
电流 - 峰: 1.25A
配置数: 2
输出数: 4
高端电压 - 最大(自引导启动): 36V
电源电压: 10.8 V ~ 13.2 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 14-SOIC(0.154",3.90mm 宽)
供应商设备封装: 14-SOICN
包装: 管件
ISL6614A
Functional Pin Description
PKG. PIN
NUMBER
PIN
SOIC
1
QFN
15
SYMBOL
PWM1
FUNCTION
The PWM signal is the control input for the Channel 1 driver. The PWM signal can enter three distinct states during
operation, see “Three-State PWM Input” on page 8 for further details. Connect this pin to the PWM output of the
controller.
2
16
PWM2
The PWM signal is the control input for the Channel 2 driver. The PWM signal can enter three distinct states during
operation, see “Three-State PWM Input” on page 8 for further details. Connect this pin to the PWM output of the
controller.
3
4
5
1
2
3
GND
LGATE1
PVCC
Bias and reference ground. All signals are referenced to this node.
Lower gate drive output of Channel 1. Connect to gate of the low-side power N-Channel MOSFET.
This pin supplies power to both the lower and higher gate drives in ISL6614A. Its operating range is +5V to 12V.
Place a high quality low ESR ceramic capacitor from this pin to GND.
6
-
7
8
4
5, 8
6
7
PGND
N/C
LGATE2
PHASE2
It is the power ground return of both low gate drivers.
No Connection.
Lower gate drive output of Channel 2. Connect to gate of the low-side power N-Channel MOSFET.
Connect this pin to the SOURCE of the upper MOSFET and the DRAIN of the lower MOSFET in Channel 2. This
pin provides a return path for the upper gate drive.
9
10
9
10
UGATE2
BOOT2
Upper gate drive output of Channel 2. Connect to gate of high-side power N-Channel MOSFET.
Floating bootstrap supply pin for the upper gate drive of Channel 2. Connect the bootstrap capacitor between this
pin and the PHASE2 pin. The bootstrap capacitor provides the charge to turn on the upper MOSFET. See “Internal
Bootstrap Device” on page 9 for guidance in choosing the capacitor value.
11
11
BOOT1
Floating bootstrap supply pin for the upper gate drive of Channel 1. Connect the bootstrap capacitor between this
pin and the PHASE1 pin. The bootstrap capacitor provides the charge to turn on the upper MOSFET. See “Internal
Bootstrap Device” on page 9 for guidance in choosing the capacitor value.
12
13
12
13
UGATE1
PHASE1
Upper gate drive output of Channel 1. Connect to gate of high-side power N-Channel MOSFET.
Connect this pin to the SOURCE of the upper MOSFET and the DRAIN of the lower MOSFET in Channel 1. This
pin provides a return path for the upper gate drive.
14
14
VCC
Connect this pin to a +12V bias supply. It supplies power to internal analog circuits. Place a high quality low ESR
ceramic capacitor from this pin to GND.
-
17
PAD
Connect this pad to the power ground plane (GND) via thermally enhanced connection.
7
FN9160.4
May 5, 2008
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