MP8792 – 16V, 12A, SYNCHRONOUS STEP-DOWN CONVERTER

MP8792 Rev. 1.0

www.MonolithicPower.com

7

12/2/2019

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© 2019 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 12V, TJ = -40°C to +125°C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

Enable and UVLO

Enable input rising threshold

VIHEN

1.17

1.22

1.27

V

Enable hysteresis

VEN-HYS

200

mV

Enable input current

IEN

VEN = 2V

0

μA

Soft shutdown discharge FET

RON_DISCH

80

150

Ω

VIN UVLO

VIN under-voltage lockout

rising threshold

VINVth_Rise

VCC = 3.3V

2.1

2.4

2.7

V

VIN under-voltage lockout

falling threshold

VINVth_Fall

1.55

1.85

2.15

V

VCC Regulator

VCC under-voltage lockout

rising threshold

VCCVth_Rise

2.65

2.8

2.95

V

VCC under-voltage lockout

falling threshold

VCCvth_Fall

2.35

2.5

2.65

V

VCC regulator

VCC

2.88

3.00

3.12

V

VCC load regulation

ICC = 25mA

0.5

%

Power Good

Power good high threshold

PGVth_Hi_Rise

FB from low to high

89.5%

92.5%

95.5%

VREF

PGVth_Hi_Fall

FB from low to high

102%

105%

108%

VREF

Power good low threshold

PGVth_Lo_Rise

FB from low to high

113%

116%

119%

VREF

PGVth_Lo_Fall

FB from high to low

77%

80%

83%

VREF

Power good low-to-high delay

PGTd

TJ = 25°C

0.63

0.9

1.17

ms

Power good sink current

capability

VPG

IPG = 10mA

0.4

V

Power good leakage current

IPG_LEAK

VPG = 3.3V

3

µA

Power good low-level output

voltage

VOL_100

VIN = 0V, Pull PGOOD up to

3.3V through a 100k

Ω

resistor at 25°C

650

800

mV

VOL_10

VIN = 0V, Pull PGOOD up to

3.3V through a 10k

Ω

resistor at 25°C

750

900

mV

Thermal Protection

Thermal shutdown (7)

TSD

160

°C

Thermal shutdown hysteresis (7)

30

°C

Note:

7) Guaranteed by design.