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L338350-AB3-R

Description
Switching Regulator/Controller
CategoryPower/power management    The power supply circuit   
File Size280KB,14 Pages
ManufacturerUNISONIC TECHNOLOGIES CO.,LTD
Websitehttp://www.unisonic.com.tw/
Download Datasheet Parametric View All

L338350-AB3-R Overview

Switching Regulator/Controller

L338350-AB3-R Parametric

Parameter NameAttribute value
MakerUNISONIC TECHNOLOGIES CO.,LTD
Reach Compliance Codecompliant
Base Number Matches1
UNISONIC TECHNOLOGIES CO., LTD
L3383
PFM CONTROLLED, STEP-UP
DC/DC CONVERTERS
(VARIABLE DUTY RATIO)
DESCRIPTION
The UTC
L3383
Series are PFM step-up DC/DC switching
converter. The UTC
L3383
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).
1
1
CMOS IC
3
2
5
4
SOT-25
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.
*Pb-free plating product number: L3383L
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
L3383-xx-AB3-R
L3383L-xx-AB3-R
L3383-xx-AF5-R
L3383L-xx-AF5-R
Package
SOT-89
SOT-25
1
V
SS
CE
Pin Assignment
2
3
4
V
OUT
Lx
-
V
OUT
NC V
SS
5
-
Lx
Packing
Tape Reel
Tape Reel
Note: Pin Assignment: NC: No Connection CE: Chip Enable
xx: Output Voltage, refer to Marking Information.
www.unisonic.com.tw
Copyright © 2007 Unisonic Technologies Co., Ltd.
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