参数资料
型号: NCP1562ADBR2G
厂商: ON Semiconductor
文件页数: 4/26页
文件大小: 0K
描述: IC REG CTRLR PWM VM 16-TSSOP
标准包装: 1
PWM 型: 电压模式
输出数: 2
频率 - 最大: 1MHz
占空比: 85%
电源电压: 23.2 V ~ 100 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 16-TSSOP(0.173",4.40mm 宽)
包装: 剪切带 (CT)
其它名称: NCP1562ADBR2GOSCT
NCP1562A, NCP1562B
PIN FUNCTION DESCRIPTION (continued)
Pin
15
16
Symbol
OUT1
V AUX
Description
Main output of the PWM Controller. OUT1 has a source resistance of 4.0 Ω (typ.) and a sink resistance
of 2.5 Ω (typ.). OUT1 is designed to handle up to 2.5 A. OUT1 trails OUT2 during a low to high
transition and leads OUT2 during a high to low transition.
Positive input supply. This pin connects to an external capacitor for energy storage. An internal current
source supplies current from V in to this pin. Once the voltage on V AUX reaches approximately 10.3 V,
the current source turns OFF and the outputs are enabled. It turns ON again once V AUX falls to 8.0 V. If
the bias current consumption exceeds the startup current, V AUX will continue to discharge. Once V AUX
reaches 7.0 V, the outputs are disabled allowing V AUX to charge. During normal operation, power is
supplied to the IC via this pin by means of an auxiliary winding. The startup circuit is disabled once the
voltage on the V AUX pin exceeds 10.3 V. If the V AUX voltage drops below 1.2 V (typ), the startup
current is reduced to 200 m A.
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