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LM2842 Folha de dados(PDF) 2 Page - Texas Instruments

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Nome de Peças LM2842
Descrição Electrónicos  LM2840/LM2841/LM2842/ LM2840-Q1/LM2841-Q1/LM2842-Q1 100/300/600 mA 42V Input Step-Down DC/DC Regulator in Thin SOT
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

LM2842 Folha de dados(HTML) 2 Page - Texas Instruments

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CB
1
2
3
4
5
6
LM2840/1/2
GND
FB
SW
PIN 1 ID
VIN
SHDN
LM2841, LM2842
SNVS540H – MARCH 2009 – REVISED APRIL 2013
www.ti.com
Connection Diagram
Top View
Figure 1. SOT 6 Lead
See Package Number DDC (R-PDSO-G6)
PIN DESCRIPTIONS
Pin
Name
Function
1
CB
SW FET gate bias voltage. Connect CBOOT cap between CB and SW.
2
GND
Ground connection.
Feedback pin: Set feedback voltage divider ratio with VOUT = VFB (1+(R1/R2)). Resistors should be
3
FB
in the 100-10K range to avoid input bias errors.
4
SHDN
Logic level shutdown input. Pull to GND to disable the device and pull high to enable the device. If
this function is not used tie to VIN or leave open.
5
VIN
Power input voltage pin: 4.5V to 42V normal operating range.
6
SW
Power FET output: Connect to inductor, diode, and CBOOT cap.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
2
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Product Folder Links: LM2841 LM2842


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