MP1400 – NEGATIVE DCDC POWER CONVERTER

MP1400 Rev.1.1

www.MonolithicPower.com

3

5/27/2015

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ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Reference Voltage

1.178

1.190

1.202

V

Feedback Current

10

50

nA

FB Voltage

0

20

mV

PFET Switch On Resistance

(5)

300

mΩ

Switch Leakage

0

0.1

μA

PFET Current Limit

1

1.6

A

Maximum Duty Cycle

70

85

%

Minimum On Time

(5)

100

ns

Switching Frequency

1200

1500

1800

kHz

Soft-Start Time

No load

0.5

ms

Output Voltage Discharge

Current

EN=0V,VOUT=-1V

25

mA

Under Voltage Lockout Threshold

Rising

2.35

2.45

2.55

V

Under Voltage Lockout Threshold

Hysteresis

200

mV

EN Input Logic Low Voltage

0.4

V

EN Input Logic High Voltage

1.2

V

EN Hysteresis

100

mV

1.7

uA

EN Input Current

0

nA

Supply Current (Shutdown)

0

0.2

μA

Supply Current (Quiescent)

pin float, no switching

200

250

μA

Over Voltage Threshold

-6.5

V

Over Voltage Threshold

Hysteresis

300

mV

Thermal Shutdown

160

C

Thermal Hysteresis

(6)

15

C

Notes:

5) Guaranteed by Characterization Test

6) Guaranteed by design