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UC3383 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 UC3383
部品説明 STEP-UP DC/DC CONVERTERS
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 



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UC3383 Datasheet, UC3383 PDF,ピン配置, 機能
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 VDD pin
function (separated power and voltage detect pins).
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 VOUT Pin Option.
CMOS IC
4
5
123
SOT-25
1 SOT-89
RDERING INFORMATION
Ordering Number
Package
Note:
UC3383G-xx-AB3-R
SOT-89
UC3383G-xx-AF5-R
SOT-25
Pin Assignment: NC: No Connection CE: Chip Enable
xx: Output Voltage, refer to Marking Information.
Pin Assignment
1234
VSS VOUT Lx
-
CE VOUT NC VSS
5
-
Lx
Packing
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd.
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