MP2172C – 2A, SYNCHRONOUS STEP-DOWN SWITCHER

MP2172C Rev.1.0

www.MonolithicPower.com

5

4/22/2019

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ELECTRICAL CHARACTERISTICS (continued)

VIN = 3.6V, TJ = -40°C to +125°C (6), typical value is tested at TJ = +25°C. Over-temperature limit is

guaranteed by characterization, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

EN turn-on delay

EN on to SW active

150

μs

EN input logic low voltage

0.4

V

EN input logic high voltage

1.2

V

Output discharge resistor

RDIS

VEN = 0V, VOUT = 1.2V

200

Ω

EN input current

VEN = 2V

1.2

μA

VEN = 0V

0

μA

Supply current (shutdown)

VEN = 0V, TJ = +25°C

0

1

μA

Supply current (quiescent)

VEN = 2V, VFB = 0.63V,

VIN = 5V, TJ = +25°C

450

μA

Output over-voltage

threshold

VOVP

110%

115%

120%

VFB

VOUT OVP hysteresis

VOVP_HYS

10%

VFB

OVP delay

12

μs

Low-side current

Current flow from SW to GND

1.5

A

Absolute VIN OVP

After VOUTOVP enables

6.1

V

Absolute VIN OVP

hysteresis

400

mV

Thermal shutdown (7)

160

°C

Thermal hysteresis (7)

30

°C

Notes:

6) Guaranteed by over-temperature correlation, not tested in production.  

7) Guaranteed by engineering sample characterization.