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LM34917A 데이터시트(PDF) 6 Page - Texas Instruments

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부품명 LM34917A
상세설명  Ultra Small 33V, 1.25A Constant On-Time Buck Switching Regulator with Intelligent Current Limit
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LM34917A 데이터시트(HTML) 6 Page - Texas Instruments

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background image
FB
SW
RTN
BST
SS
C3
LM34917A
SD
+
-
SGND
ISEN
Input
GND
RON/SD
+
-
ON TIMER
LOGIC
FINISH
START
Driver
FB
8V - 33V
2.5V
2.9V
0.65V
C4
D1
R1
R2
C2
C5
C1
C6
RON
CURRENT LIMIT
COMPARATOR
OVER-VOLTAGE
COMPARATOR
REGULATION
COMPARATOR
VIN
VCC
VOUT
VIN
VIN
RSENSE
11.6 PA
41 m:
RON
7V START-UP
REGULATOR
LEVEL
SHIFT
Gate Drive
UVLO
VCC
UVLO
CL
Threshold
Adjust
MINIMUM
OFF TIMER
START
FINISH
' Ton
+
34.8V
0V SHUTDOWN
THERMAL
SHUTDOWN
L1
R3
C8
C7
LM34917A
SNOSAX7C – DECEMBER 2007 – REVISED MAY 2008
www.ti.com
Typical Performance Characteristics
Unless otherwise specified the following conditions apply: TJ = 25°C
Typical Application Circuit and Block Diagram
6
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Copyright © 2007–2008, Texas Instruments Incorporated
Product Folder Links: LM34917A


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