L11831A L11831B L11831C 友顺UTC 电子元器件芯片.pdf
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UNISONIC TECHNOLOGIES CO., LTD
L11831A/B/C
CMOS IC
1 of 6
Copyright © 2022 Unisonic Technologies Co., Ltd
QW-R502-A88.M
MAXIMUM 3A, ULTRA LOW
DROPOUT REGULATOR
WITH
ENABLE
DESCRIPTION
The UTC L11831A/B/C is a positive voltage regulator with high
performance. It has low dropout voltage and low input voltage,
besides its output voltage can be fixed at 1V,1.05V, 1.2V, 1.5V,
1.8V, or 2.5V depending on internal feedback resistors or ADJ (not
connected to the ground) with external feedback resistors. There
are two additional pin in the UTC L11831A/B/C. One is EN pin and
the other is POK pin.
The UTC L11831A/B/C is specially made for applications with
low input voltage, low dropout voltage, and low output voltage
which is almost the same as the input voltage. Typical applications
include motherboards, notebooks, set top boxes, network cards
and peripheral cards.
FEATURES
* V
DD
voltage 5V
* Maximum 3A low-dropout voltage regulator
* High accuracy output voltage ±2 %
* When disable V
O
pull low resistance
* Internal over current and over temperature protection
ORDERING INFORMATION
Ordering Number
Package Packing
Lead Free Halogen Free
L11831XL-xx-SH2-R L11831XG-xx-SH2-R HSOP-8 Tape Reel
L11831XL-xx-K10-3030-R L11831XG-xx-K10-3030-R DFN3030-10 Tape Reel
Note: xx: Output Voltage, refer to Marking Information.
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