MP2176 – 6V, 6A, SYNCHRONOUS, STEP-DOWN CONVERTER

MP2176 Rev. 1.0

www.MonolithicPower.com

4

4/17/2018

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

© 2018 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 5V, TJ = -40 to +125°C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Supply current (shutdown)

IIN

VEN = 0V

1

2

μA

Supply current (quiescent)

IIN

VEN = 2V, VFB = 1V

0.6

1.05

1.3

mA

High-side switch on resistance

HSRDS(ON)

TJ = 25°C

19.8

mΩ

Low-side switch on resistance

LSRDS(ON)

TJ = 25°C

15.3

mΩ

Switch leakage

SWLKG

VEN = 0V, VSW = 0V or 5V

0.01

3

μA

High-side current limit

ILIMIT

9.5

12

14.5

A

One-shot on time

tON

RFREQ = 165

kΩ, VOUT = 1.2V

200

ns

Minimum off time

tOFF

50

100

150

ns

Foldback timer (5)

tFOLDBACK

OCP occurs

2.5

μs

OVP threshold

VOVP

110%

120%

130%

V

OVP delay (5)

tOVP

1

μs

UVP threshold (5)

VUVP

50%

VREF

Reference voltage

VREF

TJ = -20°C to +85°C

604

610

616

mV

TJ = -40°C to +125°C

601

610

619

Feedback current

IFB

VFB = 610mV

0.001

150

nA

Soft-start charging current

ISS

VSS = 0V

5

7.5

10

μA

Enable input low voltage

VILEN

1.4

1.8

V

Enable hysteresis

VEN-HYS

890

mV

Enable input current

IEN

VEN = 2V

1.5

2

μA

VEN = 0V

0.01

1

VCC under-voltage lockout

threshold rising

VCCVth

2.3

2.8

2.95

V

VCC under-voltage lockout

threshold hysteresis

VCCHYS

300

mV

Power good rising threshold

PGVth-Hi

84%

90%

96%

VREF

Power good falling threshold

PGVth-Lo

63%

70%

73%

VREF

Power good deglitch timer

PGTd

TSS = 1ms

2000

5000

μs

Power good sink current

capability

VPG

Sink 4mA

0.4

V

Power good leakage current

IPG_LEAK

VPG = 3.3V

50

150

nA

Thermal shutdown (5)

TSD

150

160

°C

Thermal shutdown hysteresis

25

°C

NOTE:

5) Guaranteed by design.