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MIC45116 Datasheet(PDF) 5 Page - Microchip Technology

Part # MIC45116
Description  20V/6A DC/DC Power Module
PDF  42 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MIC45116 Datasheet(HTML) 5 Page - Microchip Technology

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2016 - 2022 Microchip Technology Inc.
DS20005571B-page 5
MIC45116
ELECTRICAL CHARACTERISTICS
Electrical Characteristics: VIN = VEN = 12V, VOUT = 3.3V, VBST – VSW = 5V, TJ = +25ºC. Bold values indicate
–40°C ≤ TJ ≤ +125°C, unless otherwise noted. (Note 1).
Parameters
Symbol
Min.
Typ.
Max.
Units
Conditions
Power Supply Input
Input Voltage Range
VIN, PVIN
4.75
—
20
V
—
Quiescent Supply Current
(MIC45116-1)
IQ
—
0.35
0.75
mA
VFB = 1.5V
Quiescent Supply Current
(MIC45116-2)
IQ
—
1.03
—
mA
VFB = 1.5V
Operating Current
IIN
—
29.4
—
mA
PVIN = VIN = 12V,
VOUT = 1.8V, IOUT = 0A
(MIC45116-2)
Shutdown Supply Current
ISHDN
—
5.3
10
µA
VEN = 0V
5VDD Output
5VDD Output Voltage
5VDD
4.8
5.2
5.4
V
VIN = 7V to 20V,
I5VDD = 10 mA
5VDD UVLO Threshold
UVLO
3.8
4.2
4.6
V
V5VDD Rising
5VDD UVLO Hysteresis
UVLO_HYS
—
400
—
mV
V5VDD Falling
5VDD Load Regulation
Δ5VDD(LD)
0.6
2
3.6
%
I5VDD = 0 mA to 40 mA
Reference
Feedback Reference Voltage
VREF
0.792
0.8
0.808
V
TJ = 25°C
0.784
0.8
0.816
–40°C ≤ TJ ≤ +125°C
FB Bias Current
IFB_BIAS
—
5
500
nA
VFB = 0.8V
Enable Control
EN Logic Level High
ENHIGH
1.8
—
—
V
—
EN Logic Level Low
ENLOW
—
—
0.6
V
—
EN Hysteresis
ENHYS
—
200
—
mV
—
EN Bias Current
IENBIAS
—
5
10
µA
VEN = 12V
Oscillator
Switching Frequency
fSW
400
600
750
kHz
IOUT = 2A
Maximum Duty Cycle
DMAX
—
85
—
%
—
Minimum Duty Cycle
DMIN
—
0
—
%
VFB = 1V
Minimum Off-Time
tOFF(MIN)
140
250
350
ns
—
Soft-Start
Soft-Start Time
tSS
—
3.3
—
ms
VFB from 0V to 0.8V
Short-Circuit Protection
Current-Limit Threshold
VCL(OS)
–30
–14
0
mV
VFB = 0.79V
Short-Circuit Threshold
VSC
–23
–7
9
mV
VFB = 0V
Current-Limit Source Current
ICL
60
80
100
µA
VFB = 0.79V
Short-Circuit Source Current
ISC
25
35
45
µA
VFB = 0V
Note 1: Specification for packaged product only.



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