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MP5402M Datasheet(PDF) 4 Page - Monolithic Power Systems

Part No. MP5402M
Description  5A, 36V, Frequency Selectable Step-Down Converter with Smart Dual USB Charging Ports
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Maker  MPS [Monolithic Power Systems]
Homepage  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP5402M Datasheet(HTML) 4 Page - Monolithic Power Systems

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MP5402M ? STEP-DOWN CONVERTER WITH SMART DUAL USB CHARGING PORTS
MP5402M Rev.1.0
www.MonolithicPower.com
4
10/10/2015
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
2015 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, VEN = 5V, TJ = -40C to +125C
(6). Typical value is tested at TJ = +25C unless otherwise
noted.
Parameter
Symbol
Condition
Min
Typ
Max Units
VEN = 0V,TJ = +25C
1
Supply current (shutdown)
IIN
VEN = 0V,TJ = -40C to +125C
5
?A
Supply current (quiescent)
IQ_OL
No switching
1.6
2.5
mA
EN rising threshold
VEN_Rising
1.33 1.43 1.52
V
EN hysteresis
VEN_Falling
110
140
170
mV
VEN = 2V, TJ = +25C
1.1
1.8
2.5
VEN = 2V,TJ = -40C to +125C
0.8
1.8
3
EN input current
IEN
VEN = 0V
0
?A
Thermal shutdown
(7)
TSTD
165
C
Thermal hysteresis
(7)
TSTD_HYS
20
C
VCC regulator
VCC
4.75
5.1
5.45
V
VCC load regulation
VCC_LOG
ICC = 5mA
1
2
%
Step-Down Converter
VIN under-voltage lockout
threshold rising
VIN_UVLO
TJ = +25C
5.2
5.7
6.2
V
VIN under-voltage lockout
threshold hysteresis
VUVLO_HYS
1
V
HS switch-on resistance
RDSON_HS
40
m?
LS switch-on resistance
RDSON_LS
32
m?
7V < VIN < 36V, no load, TJ = +25C
5
5.05
5.1
Output voltage
VOUT
7V < VIN < 36V, no load, TJ = -40C to
+125C
4.95 5.05 5.15
V
Output over-voltage
protection
VOVP_R
5.65
6
6.4
V
OVP recovery
VOVP_F
TJ = -40C to +125C
5.4
5.75
6.1
V
VEN = 0V, VSW = 36V or 0V, TJ = +25C
1
Switch leakage
SWLKG
VEN = 0V, VSW = 36V or 0V, TJ = -40C to
+125C
5
?A
Current limit
(7)
ILIMIT
40% duty cycle
8.5
A
FREQ = high, TJ = +25C
310
350
410
fSW1
FREQ = high, TJ = -40C to +125C
300
350
420
FREQ = low, TJ = +25C
220
250
300
fSW2
FREQ = low, TJ = -40C to +125C
190
250
330
FREQ = float, TJ = +25C
125
150
180
Oscillator frequency
fSW3
FREQ = float, TJ = -40C to +125C
110
150
185
kHz
Maximum duty cycle
DMAX
FREQ = 350kHz
84
88
%
Minimum on time
(7)
TON_MIN
TJ = +25C
130
ns
Output from 10% to 90%,TJ = +25C
1
1.65
2.3
Soft-start time
tSS
Output from 10% to 90%,TJ = -40C to
+125C
0.9
1.65
2.4
ms


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