MP5403

– CONFIGURABLE 2.7V-6V MINI PMIC WITH DUAL 2.5A/3.5A BUCK,

ONE LOAD SWITCH, AND INPUT POWER SUPERVISORY

MP5403 Rev. 1.0

www.MonolithicPower.com

5

9/20/2016

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2016 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Input voltage range

For VIN1

2.7

6

V

Under-voltage lockout threshold

rising

For VIN1

2.3

2.5

2.65

V

Under-voltage lockout threshold

hysteresis

For VIN1

250

mV

Input voltage range for Rail2

2

6

V

VIN2 under-voltage lockout threshold

rising

For VIN2

1.8

1.85

V

VIN2 under-voltage lockout threshold

hysteresis

For VIN2

300

mV

Supply current (shutdown)

1

μA

Supply current (quiescent)

85

110

μA

High-side switch on resistance for

3.5A switcher

55

mΩ

Low-side switch on resistance for

3.5A switcher

20

mΩ

High-side switch on resistance for

2.5A switcher

65

mΩ

Low-side switch on resistance for

2.5A switcher

22

mΩ

Switch leakage current

0

1

μA

High-side current limit for 3.5A

switcher

Duty = 33%

4.5

5.6

A

High-side current limit for 2.5A

switcher

Duty = 33%

3.5

4.7

A

Low-side zero crossing current

For both channels

0.1

A

Oscillator frequency

CCM

1.2

1.5

1.8

MHz

Phase shift

PhS

CCM

180

degree

70

ns

100

ns

100

%

Feedback voltage

594

600

606

mV

591

600

609

mV

Feedback currents

FB1/2 = 0.65V

10

50

nA

Internal soft-start time

0.35

ms

Output discharge resistor

13

Ω