参数资料
型号: MIC3385-1.5YHL TR
厂商: Micrel Inc
文件页数: 2/14页
文件大小: 552K
描述: IC REG DL BCK/LINEAR SYNC 14-MLF
标准包装: 1
拓扑: 降压(降压)同步(1),线性(LDO)(1)
功能: 任何功能
输出数: 2
频率 - 开关: 8MHz
电压/电流 - 输出 1: 1.5V,1A
电压/电流 - 输出 2: 1.5V,120mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 14-VFDFN 裸露焊盘,14-MLF?
供应商设备封装: 14-MLF?(3x3.5)
包装: 标准包装
产品目录页面: 1093 (CN2011-ZH PDF)
其它名称: 576-3110-6
Micrel, Inc.
MIC3385
 
 
May 2010 
2
M9999-051310-B
Ordering Information 
Part Number
Voltage     Temperature Range
Package
Lead Finish
MIC3385YHL
Adj.
40?to +125癈
14-Pin 3mm x 3.5mm MLF
?/DIV>
 
Pb-free
MIC3385-1.5YHL
1.5V
40?to +125癈
14-Pin 3mm x 3.5mm MLF
?/DIV>
 
Pb-free
Notes: 
1. MLF?is a GREEN RoHS compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free.
2. Other voltage options available. Please contact Micrel for details.
 
 
 
Pin Configuration
OUT
SW
7
3
LOWQ
EN
OUT
OUT
12 AVIN
GND
SW
SW
11
10
9
4
5
6
8
1
FB
VIN
14 BIAS
LDO
13
2
 
14- Pin 3mm x 3.5mm MLF
?/DIV>
 (HL) 
 
 
 
Pin Description
Pin Number    Pin Name   Pin Function
1
FB     Feedback. Input to the error amplifier. Connect to the external resistor divider network to set
the output voltage.
2
VIN     Supply Voltage (Input): Supply voltage for the internal switches and drivers.
3
LOWQ    Enable LDO Mode (Input): Logic low enables the internal LDO and disables the PWM
operation. Logic high enables the PWM mode and disables the LDO mode.
4
EN     Enable (Input). Logic low will shut down the device, reducing the quiescent current to less
than 5糀.
5,6,7
OUT     Switch Output after inductor.
8,9,10
SW     Switch (Output): Internal power MOSFET output switches before Inductor
11
GND
Power Ground. Requires input capacitor to GND.
12
AVIN     Analog Supply Voltage (Input): Supply voltage for the analog control circuitry and LDO input
power. Requires bypass capacitor to GND.
13
LDO     LDO Output (Output): Connect to V
OUT
 for LDO mode operation.
14
BIAS
Internal circuit bias supply. Must be de-coupled to signal ground with a 0.1糉 capacitor and
should not be loaded.
 
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