MP5402M datasheet(4/17 Pages) MPS

Part #	MP5402M

Description	5A, 36V, Frequency Selectable Step-Down Converter with Smart Dual USB Charging Ports

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Manufacturer	MPS [Monolithic Power Systems]

Direct Link	http://www.monolithicpower.com

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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.

ELECTRICAL CHARACTERISTICS

VIN = 12V, VEN = 5V, TJ = -40°C to +125°C

(6). Typical value is tested at TJ = +25°C unless otherwise

noted.

Parameter

Symbol

Condition

Min

Typ

Max Units

VEN = 0V,TJ = +25°C

1

Supply current (shutdown)

IIN

VEN = 0V,TJ = -40°C to +125°C

5

μA

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 = +25°C

1.1

1.8

2.5

VEN = 2V,TJ = -40°C to +125°C

0.8

1.8

3

EN input current

IEN

VEN = 0V

0

μA

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 = +25°C

5.2

5.7

6.2

V

VIN under-voltage lockout

threshold hysteresis

VUVLO_HYS

1

V

HS switch-on resistance

RDSON_HS

40

mΩ

LS switch-on resistance

RDSON_LS

32

mΩ

7V < VIN < 36V, no load, TJ = +25°C

5

5.05

5.1

Output voltage

VOUT

7V < VIN < 36V, no load, TJ = -40°C to

+125°C

4.95 5.05 5.15

V

Output over-voltage

protection

VOVP_R

5.65

6

6.4

V

OVP recovery

VOVP_F

TJ = -40°C to +125°C

5.4

5.75

6.1

V

VEN = 0V, VSW = 36V or 0V, TJ = +25°C

1

Switch leakage

SWLKG

VEN = 0V, VSW = 36V or 0V, TJ = -40°C to

+125°C

5

μA

Current limit

(7)

ILIMIT

40% duty cycle

8.5

A

FREQ = high, TJ = +25°C

310

350

410

fSW1

FREQ = high, TJ = -40°C to +125°C

300

350

420

FREQ = low, TJ = +25°C

220

250

300

fSW2

FREQ = low, TJ = -40°C to +125°C

190

250

330

FREQ = float, TJ = +25°C

125

150

180

Oscillator frequency

fSW3

FREQ = float, TJ = -40°C to +125°C

110

150

185

kHz

Maximum duty cycle

DMAX

FREQ = 350kHz

84

88

%

Minimum on time

(7)

TON_MIN

TJ = +25°C

130

ns

Output from 10% to 90%,TJ = +25°C

1

1.65

2.3

Soft-start time

tSS

Output from 10% to 90%,TJ = -40°C to

+125°C

0.9

1.65

2.4

ms

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