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UC3552 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UC3552
部品説明 PWM DC-DC CONVERTER
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 



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UC3552 Datasheet, UC3552 PDF,ピン配置, 機能
UNISONIC TECHNOLOGIES CO., LTD
UC3552
PWM DC-DC CONVERTER
WITH INTERNAL SWITCH AND
SOFT-START
„ DESCRIPTION
The UTC UC3552 is a step-up PWM DC-DC converter with a
internal switch which is 1.6A, 0.23. UTC UC3552 offers users
flexibility in determining loop dynamics and adjusting operating
frequency cause it’s equipped with an external compensation
pin ,and it also allows the use of small, low equivalent resistance
(ESR) ceramic output capacitors. UTC UC3552 is capable of
converting a standard input of 3.3V to multiple outputs of 8V, 8V ,
and 23V. Otherwise, filtering and loop performance are enhanced
and facilitated by a high switching frequency of either 640 kHz
or1.3MHz.
As a power-smart design in shutdown mode a soft-start with an
external capacitor that sets the input current ramp rate, reduces the
current consumption to 0.1μA. A mere 2.6V input yields an
impressive output voltage to 12V when operating.
„ FEATURES
* 1.6A, 0.23, internal switch
* High efficiency: 90%
* Adjustable output: VDD to 12V
* Adjustable frequency: 640kHz or 1.3MHz
* Wide input range: +2.6V ~ +5.5V
* Low shutdown current: 0.1μA
* Programmable soft-start
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UC3552L-S08-R
UC3552G-S08-R
UC3552L-S08-T
UC3552G-S08-T
UC3552L-SM1-R
UC3552G-SM1-R
UC3552L-SM1-T
UC3552G-SM1-T
Package
SOP-8
SOP-8
MSOP-8
MSOP-8
CMOS IC
Packing
Tape Reel
Tube
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-134.B

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