MP9186 – 20V, 6A SYNCHRONOUS STEP-DOWN CONVERTER

MP9186 Rev. 1.0

www.MonolithicPower.com

3

2/4/2013

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ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Supply Current (Shutdown)

10

15

µA

Supply Current (Quiescent)

0.8

1.2

mA

HS Switch-On Resistance

60

m

LS Switch-On Resistance

30

m

Switch Leakage

12V

0

1

µA

Current Limit

(6)

Duty=40%

7.4

9.4

A

Oscillator Frequency

400

500

600

kHz

Maximum Duty Cycle

90

95

%

Minimum On Time

(6)

40

ns

Sync Frequency Range

0.3

2

MHz

Feedback Voltage

782

798

814

mV

Feedback Current

25

50

nA

EN Input Low Voltage

0.98

1.12

1.32

V

EN Input High Voltage

1.32

1.50

1.78

V

EN Pin Pull-Up Current

1.2

2.3

3.5

µA

Threshold Rising

3.75

4

4.25

V

Threshold Hysteresis

820

mV

VCC Regulator

5

V

VCC Load Regulation

1

%

Thermal Shutdown

(6)

150

°C

Thermal Shutdown Hysteresis

(6)

30

°C

Soft Start Current

5

8

11

µA

Note:

6) Guaranteed by design