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LM34919C-Q1 Folha de dados(PDF) 5 Page - Texas Instruments

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Nome de Peças LM34919C-Q1
Descrição Electrónicos  LM34919C-Q1 Ultra Small 50V, 600 mA Constant On-Time Buck Switching Regulator
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

LM34919C-Q1 Folha de dados(HTML) 5 Page - Texas Instruments

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12
11
10
9
1
2
3
4
WSON-12
Exposed
Pad
8
5
7
6
VIN
ISEN
EN
SGND
RTN
RON
FB
SS
PGD
VCC
BST
SW
RON
RTN
FB
SGND
PGD
SS
ISEN
VCC
VIN
SW
BST
EN
D3
D2
D1
B3
B1
A3
A2
1
A
C3
C1
C2
B2
LM34919C-Q1
www.ti.com
SNVS831A – SEPTEMBER 2013 – REVISED DECEMBER 2013
PIN DESCRIPTIONS
Figure 2. DSBGA Package Bump View
Figure 3. DSBGA Package Top View
Figure 4. WSON Top View
Pin Descriptions
PIN
PIN NUMBER
NAME
DESCRIPTION
APPLICATION INFORMATION
NUMBER
(WSON-12)
A1
6
RON
On-time control and shutdown
An external resistor from VIN to this pin sets the
buck switch on-time.
A2
5
RTN
Circuit Ground
Ground for all internal circuitry other than the current
limit detection.
A3
7
FB
Feedback input from the
Internally connected to the regulation and
regulated output
overvoltage comparators. The regulation level is
2.52 V (typ.).
B1
4
SGND
Sense Ground
Re-circulating current flows into this pin to the
current sense resistor.
Copyright © 2013, Texas Instruments Incorporated
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