MP9928—4V TO 60V SYNCHRONOUS STEP-DOWN CONTROLLER

MP9928 Rev. 1.0

www.MonolithicPower.com

6

5/20/2016

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Parameters

Symbol

Condition

Min

Typ

Max

Units

Gate Driver

TG pull-up resistor

Source 20mA

2

Ω

TG pull-down resistor

Sink 20mA

1

Ω

BG pull-up resistor

Source 20mA

3

Ω

BG pull-down resistor

Sink 20mA

1

Ω

Dead time

60

ns

TG maximum duty cycle

98

99.5

%

TG minimum on time

(7)

92

ns

BG minimum on time

175

250

ns

Power Good

Power good low

0.1

0.3

V

PG rising threshold

85%

90%

96.5%

101% 107% 112.5%

PG falling threshold

81%

87%

92.5%

105% 110% 116.5%

PG threshold hysteresis

3%

Power good leakage

PG = 5V

2

μA

Power good delay

PG rising and falling

25

μs

AAM/CCM

AAM output current

Ω

9.2

μA

CCM

required

AAM

threshold

voltage

2.3

V

NOTES:

6) Guaranteed by design, not tested.

7) Guaranteed by characterization, not production tested.