MP3301

—1.3MHZ, 700MA, FIXED-FREQUENCY, STEP-UP DRIVER FOR WHITE LEDS

MP3301 Rev. 1.01

www.MonolithicPower.com

3

10/28/2013

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© 2013 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameters

Symbol

Condition

Min

Typ

Max

Units

Operating Input Voltage

2.5

6

V

Supply Current (Shutdown)

10

µA

Supply Current (Quiescent)

900

µA

Switching Frequency

1.0

1.3

1.5

MHz

Maximum Duty Cycle

92

%

Under Voltage Lockout

IN Under-Voltage Lockout

UVLO

2.25

2.45

V

Under-Voltage Lockout

Hysteresis

92

mV

Open-Lamp Shutdown

Threshold

40

42

44

V

Enable

EN OFF Threshold

0.4

V

EN ON Threshold

0.6

V

Minimum EN Dimming

Threshold

0.655

0.7

0.845

V

Maximum EN Dimming

Threshold

1.275

1.4

1.425

V

Feedback

FB Voltage

200

mV

FB Input Bias Current

-600

nA

Output Switch

SW On-Resistance

(5)

0.5

Ω

SW Current Limit

(5)

Duty Cycle = 60%

1.0

A

Thermal Shutdown

(5)

150

°C

Notes:

5) Guaranteed by design.