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MIC2182 Datasheet(PDF) 3 Page - Microchip Technology

Part # MIC2182
Description  High-Efficiency Synchronous Buck Controller
PDF  40 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC2182 Datasheet(HTML) 3 Page - Microchip Technology

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2022 Microchip Technology Inc. and its subsidiaries
DS20006644A-page 3
MIC2182
Block Diagrams
Adjustable Output Voltage Version
Fixed Output Voltage Version
SGND
gm = 0.2mS
Low
Comp
Current
Limit
Skip-Mode
Current
Limit
PWM Mode
to Skip
Mode
Hysteresis
Comp
0.07V
–2%VBG
Error
Amp
Control
Logic
VIN
VDD
PWM
CORRECTIVE
RAMP
RESET
Reference
Oscillator
0.024V
EN/UVLO
6
11
14
10
16
15
13
12
8
9
7
4
1
2
5
3
SS
PWM
SYNC
COMP
100k
MIC2182 [adj.]
FB
R2
R1
VOUT
CSH
VDD
VBST
CIN
VIN
HSD
Q2
Q1
D1
D2
CBST
COUT
VIN
VOUT
L1
VSW
LSD
PGND
CCOMP
RCOMP
4.7
μF
AV = 2
Current
Sense
Amp
RCS
V
OUT = 1.245
R1
R2
1+
( )
V
OUT(MAX) = 6.0V
Low
Comp
Current
Limit
Skip-Mode
Current
Limit
Hysteresis
Comp
0.07V
–2%VBG
Error
Amp
Control
Logic
VIN
VDD
PWM
CORRECTIVE
RAMP
RESET
Reference
Oscillator
0.024V
EN/UVLO
6
11
14
10
16
15
13
12
8
9
4
7
1
2
5
3
SS
PWM
SYNC
COMP
VREF
100k
gm = 0.2mS
MIC2182-x.x
SGND
R2
50k
R1*
VOUT
CSH
VDD
VBST
CIN
VIN
HSD
Q2
Q1
D1
D2
CBST
RCS
COUT
VIN
VOUT
L1
VSW
LSD
PGND
CCOMP
RCOMP
4.7
μF
* 82.5k for 3.3V Output
150k for 5V Output
AV = 2
Current
Sense
Amp
PWM Mode
to Skip
Mode



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