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LP8733 датащи(PDF) 3 Page - Texas Instruments

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номер детали LP8733
подробное описание детали  LP8733xx-Q1 Dual High-Current Buck Converter and Dual Linear Regulator
PDF  85 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

LP8733 датащи(HTML) 3 Page - Texas Instruments

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VIN_LDO1
nINT
CLKIN
VIN_B1
VIN_B1
SW_B1
SW_B1
SW_B0
SW_B0
VIN_B0
VIN_B0
GPO
PGOOD
VIN_LDO0
THERMAL PAD
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LP8733-Q1
www.ti.com
SNVSB64 – SEPTEMBER 2018
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Copyright © 2018, Texas Instruments Incorporated
(1)
A: Analog Pin, D: Digital Pin, G: Ground Pin, P: Power Pin, I: Input Pin, O: Output Pin
5 Pin Configuration and Functions
RHD Package
28-Pin VQFN With Thermal Pad
Top View
Pin Functions
PIN
TYPE(1)
DESCRIPTION
NUMBER
NAME
1
VOUT_LDO0
P/O
LDO0 output. If LDO0 is not used, leave the pin floating.
2
FB_B0
A
Output voltage feedback (positive) for Buck 0
3
FB_B1
A
Output voltage feedback (positive) for Buck 1 in two single-phase configuration / Output ground
feedback (negative) for Buck 0 in dual-phase configuration
4
AGND
G
Ground
5
VANA
P/I
Supply voltage for analog and digital blocks. Must be connected to same node with VIN_Bx.
6
EN
D/I
Programmable enable signal for regulators and GPOs. If the pin is not used, leave the pin
floating.
7
VOUT_LDO1
P/O
LDO1 output. If LDO1 is not used, leave the pin floating.
8
VIN_LDO1
P/I
Power input for LDO1. If LDO1 is not used, connect the pin to VANA.
9
nINT
D/O
Open-drain interrupt output. Active LOW. If the pin is not used, connect the pin to ground.
10
CLKIN
D/I/O
External clock input. Alternative function is general-purpose digital output (GPO2). If the pin is not
used, leave the pin floating.
11, 12
VIN_B1
P/I
Input for Buck 1. The separate power pins VIN_Bx are not connected together internally -
VIN_Bx pins must be connected together in the application and be locally bypassed.
13, 14
SW_B1
P/O
Buck 1 switch node. If the Buck 1 is not used, leave the pin floating.
15, 16
PGND_B1
P/G
Power ground for Buck 1
17
SCL
D/I
Serial interface clock input for I2C access. Connect a pullup resistor. If the I2C interface is not
used, connect the pin to Ground.
18
SDA
D/I/O
Serial interface data input and output for I2C access. Connect a pullup resistor. If the I2C
interface is not used, connect the pin to Ground.
19
SGND
G
Ground



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