参数资料
型号: MIC23250-3BYMT TR
厂商: Micrel Inc
文件页数: 3/20页
文件大小: 0K
描述: IC REG BUCK SYNC 0.4A DL 10TMLF
产品培训模块: MIC23xxx HyperLight Load™ Regulators
标准包装: 1
系列: HyperLight Load®
类型: 降压(降压)
输出类型: 固定
输出数: 2
输出电压: 0.9V,1.1V
输入电压: 2.7 V ~ 5.5 V
PWM 型: 混合物
频率 - 开关: 4MHz
电流 - 输出: 400mA
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-UFDFN,10-TMLF?
包装: 标准包装
供应商设备封装: 10-TMLF?(2x2)
产品目录页面: 1094 (CN2011-ZH PDF)
其它名称: 576-3255-6
Micrel, Inc.
Pin Configuration
MIC23250
SNS1
1
10 SNS2
FB1
1
12 FB2
EN1
AGND
2
3
9
8
EN2
AVIN
SNS1
EN1
2
3
11 SNS2
10 EN2
SW1
PGND
4
5
7
6
SW2
VIN
AGND
SW1
4
5
9
8
AVIN
SW2
PGND
6
7
VIN
10-Pin 2mm x 2mm Thin MLF ? (MT)
Fixed Output
(Top View)
Pin Description
12-Pin 2.5mmx2.5mm Thin MLF ? (MT)
Adjustable Output
(Top View)
Pin Number
(Fixed)
Pin Number
(Adjustable)
1
Pin Name
FB1
Pin Function
Feedback VOUT1 (Input): Connect resistor divider at this node to set output
voltage. Resistors should be selected based on a nominal VFB of 0.72V.
1
2
SNS1
Sense 1 (Input): Error amplifier input. Connect to feedback resistor network
to set output 1 voltage.
2
3
EN1
Enable 1 (Input): Logic low will shut down output 1. Logic high powers up
output 1. Do not leave unconnected.
3
4
5
6
7
8
9
4
5
6
7
8
9
10
AGND
SW1
PGND
VIN
SW2
AVIN
EN2
Analog Ground. Must be connected externally to PGND.
Switch Node 1 (Output): Internal power MOSFET output.
Power Ground.
Supply Voltage (Power Input): Requires close bypass capacitor to PGND.
Switch Node 2 (Output): Internal power MOSFET output.
Supply Voltage (Power Input): Analog control circuitry. Connect to VIN.
Enable 2 (Input): Logic low will shut down output 2. Logic high powers up
output 2. Do not leave unconnected.
10
11
SNS2
Sense 2 (Input): Error amplifier input. Connect to feedback resistor network
to set output 2 voltage.
12
FB2
Feedback VOUT2 (Input): Connect resistor divider at this node to set output
voltage. Resistors should be selected based on a nominal VFB of 0.72V.
June 2010
3
M9999-061110-E
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