MP1496S – SYNCHRONOUS, STEP-DOWN CONVERTER WITH INTERNAL MOSFETS

MP1496S Rev.1.1

www.MonolithicPower.com

3

3/29/2017

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

© 2017 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Current (Shutdown)

1

μA

Supply Current (Quiescent)

0.7

1

mA

HS-Switch ON Resistance

150

mΩ

LS-Switch ON Resistance

70

mΩ

Switch Leakage

1

μA

Current Limit

(6)

Under 40% Duty Cycle

3

A

Oscillator Frequency

410

500

600

kHz

Fold-back Frequency

0.5

Maximum Duty Cycle

90

95

%

Minimum ON Time

(7)

60

ns

Sync Frequency Range

0.3

2

MHz

Feedback Voltage

791

807

823

mV

(8)

787

807

827

Feedback Current

10

50

nA

EN Rising Threshold

1.1

1.4

1.75

V

EN Falling Threshold

1

1.25

1.55

V

EN Input Current

2

μA

0

μA

EN Turn-Off Delay

8

μs

Threshold-Rising

3.6

3.9

4.2

V

Threshold-Hysteresis

650

mV

VCC Regulator

5

V

VCC Load Regulation

3

%

Soft-Start Current

11

μA

Thermal Shutdown

(7)

150

°C

Thermal Hysteresis

(7)

20

°C

Notes:

6) Guaranteed by characterization.

7) Guaranteed by design.

8) Not tested in production and guaranteed by over-temperature correlation.