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MIC2126 数据表(PDF) 2 Page - Microchip Technology

部件名 MIC2126
功能描述  28V Synchronous Buck Controllers Featuring Adaptive ON-Time Control
PDF  34 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

MIC2126 数据表(HTML) 2 Page - Microchip Technology

  MIC2126 Datasheet HTML 1Page - Microchip Technology MIC2126 Datasheet HTML 2Page - Microchip Technology MIC2126 Datasheet HTML 3Page - Microchip Technology MIC2126 Datasheet HTML 4Page - Microchip Technology MIC2126 Datasheet HTML 5Page - Microchip Technology MIC2126 Datasheet HTML 6Page - Microchip Technology MIC2126 Datasheet HTML 7Page - Microchip Technology MIC2126 Datasheet HTML 8Page - Microchip Technology MIC2126 Datasheet HTML 9Page - Microchip Technology Next Button
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MIC2125/6
DS20005459B-page 2
 2015 Microchip Technology Inc.
Typical Application Circuit
Functional Block Diagram
MIC2125/6
3x3 QFN
V
IN
4.5V TO 28V
2.2μF
×3
220μF
0.1μF
0.1μF
0.72μH
V
OUT
3.3V/20A
90.9kΩ
1.2kΩ
10kΩ
56.2kΩ
2.26kΩ
10kΩ
470pF
100μF
470μF
4.7μF
EN
PG
V
OUT
PVDD
VDD
AGND
EN
PG
OVP
FB
FREQ
VIN
BST
DH
SW
DL
PGND
ILIM
MIC2125/6
4.7μF
MIC2125/26
EN
VDD
EN
g
m EA
COMP
CL
DETECTION
CONTROL
LOGIC
TIMER
SOFT–START
FIXED T
ON
ESTIMATE
UVLO
LDO
THERMAL
SHUTDOWN
SOFT
START
PVDD
COMPENSATION
MODIFIED
T
OFF
PG
49.9kΩ
VDD
PG
VDD
8%
92%
100kΩ
V
IN
HSD
LSD
90.9kΩ
V
OUT
3.3V/20A
0.1μF
SW
FB
470pF
DL
DH
BST
Q1
Q3
VIN
AGND
PGND
220μF
0.1μF
100μF
2.2μF
×2
0.72μH
R1
10kΩ
R2
2.26kΩ
1.2kΩ
V
IN
4.5V TO 28V
R19
R20
FREQ
ILIM
OVP
V
REF
0.6V
V
REF
0.6V
PVDD
470μF



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