MP2328 – 28V, 2A, SYNCHRONOUS STEP-DOWN CONVERTER WITH INTERNAL MOSFETS

MP2328 Rev. 1.0

www.MonolithicPower.com

5

12/11/2020

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

© 2020 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 12V, TJ = -40°C to +125°C (7), typical values are tested at TJ = 25°C, unless otherwise noted.

The over-temperature limit is derived by characterization, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

PG Indicator

Power good lower trip

rising threshold

PGLOWER-R PG from low to high

85

90

95

% of

VREF

Power good lower trip

falling threshold

PGLOWER-F PG from high to low

79

84

89

% of

VREF

Power good upper trip

rising threshold

PGUPPER-F

PG from high to low

107

112

117

% of

VREF

Power good upper trip

falling threshold

PGUPPER-R PG from low to high

101

106

111

% of

VREF

Power good rising

delay

12

μs

Power good falling

delay

20

μs

Power good sink

current capability

VPG

Sink 4mA

0.4

V

Power good leakage

current

IPG-LKG

VIN = 12V, VEN = 2V, VFB = 0.52V,

VPG = 5V

2

10

μA

Protection

FB under voltage

threshold

40

50

60

% of

VREF

Hiccup protection duty

cycle (8)

25

%

Thermal shutdown

150

°C

Thermal shutdown

hysteresis

20

°C

Notes:

7)

Not tested in production. Derived by over-temperature correlation.

8)

Derived by sample characterization. Not tested in production.