参数资料
型号: RC5057MT
厂商: FAIRCHILD SEMICONDUCTOR CORP
元件分类: 稳压器
中文描述: SWITCHING CONTROLLER, 345 kHz SWITCHING FREQ-MAX, PDSO16
封装: SOIC-16
文件页数: 10/23页
文件大小: 215K
代理商: RC5057MT
RC5057
PRODUCT SPECIFICATION
18
REV. 1.2.0 2/10/00
Example: Suppose that the transient limits are ±134mV,
current I is 14.2A, and the nominal voltage is 2.000V, using
MOSFET current sensing and the usual caps. We have VT+ =
|VT-| = 0.134, IO = 14.2, Vnom = 2.000, and RD = 0.67.
We calculate:
Since X > Y, we choose X, and round up to nd we need 5
capacitors for COUT.
2
5
2.000
5
2.000
*
14.2
Cin
2
3.47
4 caps
=
=
5.2K
50 * 10
-6
14.2 * 0.010 * (1 + 0.67) * 1.10
R5
4.66
0.134
0.044 * 14.2
X
=
4.28
18 * 10400 * 1.1
14400 * 14.2 * 0.020
0.134 – 0.004 * 2.000
0.044 * 14.2
Y
=
+
=
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相关代理商/技术参数
参数描述
RC5057N 功能描述:开关变换器、稳压器与控制器 DIP-16 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
RC5058 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms
RC5058M 功能描述:开关变换器、稳压器与控制器 SOIC-24 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
RC5058MT 功能描述:开关变换器、稳压器与控制器 SOIC-24 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel
RC5060 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:ACPI Switch Controller