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UC3383L-33-AB3-R

Description
Switching Regulator
CategoryPower/power management    The power supply circuit   
File Size350KB,15 Pages
ManufacturerUNISONIC TECHNOLOGIES CO.,LTD
Websitehttp://www.unisonic.com.tw/
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UC3383L-33-AB3-R Overview

Switching Regulator

UC3383L-33-AB3-R Parametric

Parameter NameAttribute value
MakerUNISONIC TECHNOLOGIES CO.,LTD
Reach Compliance Codecompliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesSWITCHING REGULATOR
Base Number Matches1
UNISONIC TECHNOLOGIES CO., LTD
UC3383
PFM CONTROLLED, STEP-UP
DC/DC CONVERTERS
(VARIABLE DUTY RATIO)
DESCRIPTION
The UTC
UC3383
Series are PFM step-up DC/DC switching converter.
The UTC
UC3383
can support both large and small currents. It
automatically switches duty ratio (45%/75%) when it senses changes in
load.
Both built-in and external transistor types include 5-pin and 3-pin
packages, which are provided with either a CE (chip enable) function that
reduces power consumption during shut-down mode, or a V
DD
pin
function (separated power and voltage detect pins).
4
5
3
CMOS IC
1
2
SOT-25
1
SOT-89
FEATURES
* Output Voltage Range: 2.0V~7.0V in 0.1V Increments
* Operating (Start-up) Voltage Range: 0.9V~10V
* Highly Accurate: Set-up Voltage ±2.5%
* Maximum Oscillator Frequency (Max Fosc1): 180kHz (±15%)
* Variable Duty Ratio: 45%/75% (±5%)
* Both Switching Transistor Built-in and External Types are Available
* 5-Lead Package Offer Chip Enable or Independent V
OUT
Pin Option.
RDERING INFORMATION
Ordering Number
Package
Lead Free
Halogen Free
UC3383L-xx-AB3-R
UC3383G-xx-AB3-R
SOT-89
UC3383L-xx-AF5-R
UC3383G-xx-AF5-R
SOT-25
Note: Pin Assignment: NC: No Connection CE: Chip Enable
xx: Output Voltage, refer to Marking Information.
1
V
SS
CE
Pin Assignment
2
3
4
V
OUT
Lx
-
V
OUT
NC V
SS
5
-
Lx
Packing
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd.
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