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LM2623QNHLTQ1 데이터시트(PDF) 8 Page - Texas Instruments

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부품명 LM2623QNHLTQ1
상세설명  Automotive Gated-Oscillator-Based DC-DC Boost Converter
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM2623QNHLTQ1 데이터시트(HTML) 8 Page - Texas Instruments

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OSC
DRIVE
REF
VBE
ptat
SLEEP
VREF
SLEEP
ILIM
TSHUT
1
2
3
4
5
6
7
14
13
11
10
9
8
NC
PGND
PGND
EN
FREQ
FB
NC
NC
NC
SGND
VDD
BOOT
SW
SW
IREF
SLEEP
12
Copyright © 2017, Texas Instruments Incorporated
8
LM2623-Q1
SNVSAO5 – OCTOBER 2017
www.ti.com
Product Folder Links: LM2623-Q1
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
7 Detailed Description
7.1 Overview
The LM2623-Q1 device is designed to provide step-up DC-DC voltage regulation in battery-powered and low-
input voltage systems. The device combines a step-up switching regulator, N-channel power MOSFET, built-in
current limit, thermal limit, and voltage reference in a single 14-pin WSON package (see Functional Block
Diagram). The switching DC-DC regulator boosts an input voltage between 0.9 V and 14 V to a regulated output
voltage between 1.24 V and 14 V. The LM2623-Q1 starts from a low 1.1-V input and remains operational down
to below 0.9 V. A high-efficiency gated-oscillator topology offers an output of up to 2 A at low step-up ratios.
7.2 Functional Block Diagram


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