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LM26420 bảng dữ liệu(PDF) 3 Page - Texas Instruments

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Giải thích chi tiết về linh kiện  LM26420/LM26420-Q0/Q1 Dual 2-A Automotive-Qualified, High-Efficiency Synchronous DC-DC Converter
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LM26420 bảng dữ liệu(HTML) 3 Page - Texas Instruments

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DAP
LM26420, LM26420-Q0, LM26420-Q1
www.ti.com
SNVS579J – FEBRUARY 2009 – REVISED SEPTEMBER 2015
5 Pin Configuration and Functions
RUM Package
PWP Package
16-Pin WQFN
20-Pin HTSSOP
Top View
Top View
Pin Functions: 16-Pin WQFN
PIN
TYPE
DESCRIPTION
NUMBER
NAME
1,2
VIND1
P
Power input supply for Buck 1.
3
SW1
P
Output switch for Buck 1. Connect to the inductor.
4
PGND1
G
Power ground pin for Buck 1.
5
FB1
A
Feedback pin for Buck 1. Connect to external resistor divider to set output voltage.
6
PG1
G
Power Good Indicator for Buck 1. Pin is connected through a resistor to an external supply
(open drain output).
7
PG2
G
Power Good Indicator for Buck 2. Pin is connected through a resistor to an external supply
(open drain output).
8
FB2
A
Feedback pin for Buck 2. Connect to external resistor divider to set output voltage.
9
PGND2
G
Power ground pin for Buck 2.
10
SW2
P
Output switch for Buck 2. Connect to the inductor.
11, 12
VIND2
A
Power Input supply for Buck 2.
13
EN2
A
Enable control input. Logic high enable operation for Buck 2. Do not allow this pin to float or
be greater than VIN + 0.3 V.
14
AGND
G
Signal ground pin. Place the bottom resistor of the feedback network as close as possible to
pin.
15
VINC
A
Input supply for control circuitry.
16
EN1
A
Enable control input. Logic high enable operation for Buck 1. Do not allow this pin to float or
be greater than VIN + 0.3 V.
DAP
Die Attach Pad
Connect to system ground for low thermal impedance and as a primary electrical GND
connection.
Copyright © 2009–2015, Texas Instruments Incorporated
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Product Folder Links: LM26420 LM26420-Q0 LM26420-Q1


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