参数资料
型号: MIC2169YMM
厂商: Micrel Inc
文件页数: 2/15页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM VM 10-MSOP
标准包装: 100
PWM 型: 电压模式
输出数: 1
频率 - 最大: 550kHz
占空比: 92%
电源电压: 3 V ~ 14.5 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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
包装: 管件
产品目录页面: 1092 (CN2011-ZH PDF)
其它名称: 576-1710-5
MIC2169YMM-ND
MIC2169
Ordering Information
Micrel
Part Number
MIC2169BMM
Pb-Free Part Number
MIC2169YMM
Frequency
500kHz
Junction Temp. Range
–40°C to +125°C
Package
10-lead MSOP
Pin Con ? guration
VIN 1
VDD 2
CS 3
COMP 4
FB 5
10 BST
9 HSD
8 VSW
7 LSD
6 GND
10-Pin MSOP (MM)
Pin Description
Pin Number
1
2
3
4
5
6
7
8
9
10
Pin Name
VIN
VDD
CS
COMP
FB
GND
LSD
VSW
HSD
BST
Pin Function
Supply Voltage (Input): 3V to 14.5V.
5V Internal Linear Regulator (Output): V DD is the external MOSFET gate
drive supply voltage and an internal supply bus for the IC. When V IN is <5V,
this regulator operates in dropout mode.
Current Sense (Input): Current-limit comparator noninverting input. The cur-
rent limit is sensed across the MOSFET during the ON time. The current can
be set by the resistor in series with the CS pin.
Compensation (Input): Pin for external compensation. .
Feedback (Input): Input to error ampli ? er. Regulates error ampli ? er to 0.8V.
Ground (Return).
Low-Side Drive (Output): High-current driver output for external synchro-
nous MOSFET.
Switch (Return): High-side MOSFET driver return.
High-Side Drive (Output): High-current output-driver for the high-side MOS-
FET. When V IN is between 3.0V to 5V, 2.5V threshold MOSFETs should be
used. At V IN > 5V, 5V threshold MOSFETs should be used.
Boost (Input): Provides the drive voltage for the high-side MOSFET driver.
The gate-drive voltage is higher than the source voltage by V IN minus a
diode drop.
M9999-032409
2
March 2009
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