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LX7220 Fiches technique(PDF) 2 Page - Microchip Technology

No de pièce LX7220
Description  2.7V to 5.5V, 6A Constant Frequency Hysteretic Synchronous Buck Regulator with I2C
PDF  24 Pages
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Fabricant  MICROCHIP [Microchip Technology]
Site Internet  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LX7220 Fiches technique(HTML) 2 Page - Microchip Technology

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LX7220
DS20006704A-page 2
 2022 Microchip Technology Inc. and its subsidiaries
Functional Block Diagram
Typical Application Circuit
D3, D4, E3, E4
PGOOD
D1, D2, E1
VIN
SW
AGND
VOUT
SDA
AVIN
OCP
Hysteretic engine and
pulse skipping
Bandgap
Reference
Vbias
EN
SCL
GND
A4
B4
B2, B3, C1–C4
A1
A2
A3
B1
E2
Driver
10
Ω
1
μF
X5R
AVIN
2 x 22
μF
100 k
Ω
PGOOD
SCL
SDA
Power Good
VIN
EN
Enable
GND
AGND
0.47
μH
4 x 22
μF
X5R
VOUT
SW
Vo = 0.95V/6A
VIN = 3V – 5.5V
Connect SDA and SCL to
GND or VIN if unused
5, 6, 7, 8
4, 9
12
11
3, PAD
10
2
13
1
14
LX7220
Proprietary
Hysteretic
Control
I
2C
Control



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