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參數(shù)資料
| 型號： | M7085-SM1-R |
| 廠商： | UNISONIC TECHNOLOGIES CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PFM STEP-DOWN DC-DC CONTROLLER |
| 中文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 139K |
| 代理商： | M7085-SM1-R |
UNISONIC TECHNOLOGIES CO, LTD
M7085
CMOS IC
www.unisonic.com.tw
Copyright 2005 Unisonic Technologies Co., Ltd
1 of 8
QW-R502-092,A
PFM S T EP-DOWN DC-DC
CONT ROLLER
DES CRIPT ION
The UTC
M7085
step-down DC-DC Controller is optimized for
use with a power PMOSFET. It utilize a Pulse-Frequency
Modulation (PFM) control scheme that implies high efficiency
operation at light loads.
There are two user-selectable over-current protection methods
one provides over-current protection by taking advantage of the
R
DS(ON)
of the P- Channel. The other provides accurate over-current
protection with the use of an external sense resistor. The
cycle-by-cycle current limit threshold can be adjusted with a
external resistor.
FEAT URES
* High efficiency 90% and up is possible
* Low dropout operation
* Maximum operating frequency > 1MHz
* Two methods of over-current protection
* 4.5V ~ 35V wide input range
* 1.24V ~ V
IN
adjustable output range
100% duty cycle
MSOP-8
*Pb-free plating product number: M7085L
ORDERING INFORMAT ION
Order Number
Normal
M7085-SM1-R
M7085-SM1-T
Lead Free Plating
M7085L-SM1-R
M7085L-SM1-T
Package
Packing
MSOP-8
MSOP-8
Tape Reel
Tube
M7085L-SM1-R
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) R: Tape Reel, T: Tube
(2) SM1: MSOP-8
(3) L: Lead Free Plating Blank: Pb/Sn
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