参数资料
型号: ISL8204MIRZ-T
厂商: Intersil
文件页数: 4/21页
文件大小: 0K
描述: IC BUCK SYNC ADJ 4A 15QFN
产品培训模块: Solutions for Industrial Control Applications
标准包装: 500
类型: 非隔离(POL)
输出数: 1
电压 - 输入(最小): 1V
电压 - 输入(最大): 20V
Voltage - Output 1: 0.6 ~ 6 V
电流 - 输出(最大): 4A
电源(瓦) - 制造商系列: 24W
安装类型: 表面贴装
封装/外壳: 15-BQFN
尺寸/尺寸: 0.59" L x 0.59" W x 0.14" H(15.0mm x 15.0mm x 3.5mm)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
效率: 95%
电源(瓦特)- 最大: 24W
ISL8204M, ISL8206M
Pin Descriptions
(Continued)
PIN
13
14
SYMBOL
COMP/EN
FB
DESCRIPTION
This is the multiplexed pin of the ISL8204M, ISL8206M. During soft-start and normal converter operation, this pin
represents the output of the error amplifier. Use COMP/EN in combination with the FB pin to compensate for the voltage
control feedback loop of the converter. Pulling COMP/EN low (V ENDIS = 0.4V nominal) will disable (shut-down) the
controller, which causes the oscillator to stop, and the high-side gate and low-side gate of the MOSFETs outputs to be held
low. The external pull-down device will initially need to overcome a maximum of 5mA of COMP/EN output current.
However, once the controller is disabled, the COMP/EN output will also be disabled, thus only a 20μA current source will
continue to draw current. Range: 0V to 5V.
The FB pin is the output voltage adjustment of the ISL8204M, ISL8206M. It will regulate to 0.6V at the FB pin with
respect to the PGND pin. The ISL8204M, ISL8206M has an integrated voltage dividing resistor. This is a precision
9.76kW resistor (RFB-TI) between the VOUT and FB pins. Different output voltages can be programmed with
additional resistors between FB to PGND. Range: 0.6V.
4
FN6999.3
July 26, 2012
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