The UTC UC3552 is a step-up PWM DC-DC converter with a internal switch which is 1.6A, 0.23Ω. 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 cap.
* 1.6A, 0.23Ω, 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 UC3552G-S08-R UC3552G-SM1-R
Package SOP-8 MSOP-8
CMOS IC
Packing Tape Reel Tape Reel
www.unisonic.com.tw Copyright © 2016 Unisonic Technologies Co., Ltd
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QW-R502-134.C
UC3552
MARKING
PIN CONFIGURATION
CMOS IC
PIN DESCRIPTION
PIN NO. PIN NAME 1 EO 2 IN 3 SHDN 4 GND 5 SW 6 VDD
7 FREQ
8 SS
I/O DESCRIPTION
I Compensation pi.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | UC3550 |
UTC |
PWM/PFM SWITCHABLE STEP-UP DC-DC CONTROLLER | |
2 | UC3551 |
Unisonic Technologies |
ADVANCED PWM STEP-UP DC-DC CONVERTER | |
3 | UC3555 |
UTC |
500MA HIGH EFFICIENCY BOOST REGULATOR | |
4 | UC3500 |
UTC |
HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER | |
5 | UC3501 |
UTC |
LOW COST FLASHLIGHT LED DRIVE | |
6 | UC3524 |
Texas Instruments |
ADVANCED REGULATING PULSE WIDTH MODULATORS | |
7 | UC3524A |
Unitrode |
ADVANCED REGULATING PULSE WIDTH MODULATORS | |
8 | UC3525A |
Fairchild Semiconductor |
SMPS Controller | |
9 | UC3525A |
Texas Instruments |
Regulating Pulse Width Modulators | |
10 | UC3525B |
Unitrode |
Regulating Pulse Width Modulators | |
11 | UC3526 |
Unitrode |
Regulating Pulse Width Modulator | |
12 | UC3526A |
Unitrode |
Regulating Pulse Width Modulator |