MP4655–PURE, SINGLE-STAGE, LLC, LED CURRENT AND SYSTEM VOLTAGE CONTROLLER

MP4655 Rev 1.0

www.MonolithicPower.com

5

2/2/2016

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© 2016 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

VIN Supply

VIN supply range

9

35

V

Quiescent current

PS_ON = 5V,

no gate driver

1.6

1.9

mA

Shutdown current

PS_ON = 1.5V

106

120

μA

Standby current

PS_ON = 0V

0.6

0.8

mA

Gate Driver GL, GR (LLC Power Stage)

Gate pull-down resistance

2

Ω

Gate pull-up resistance

8

Ω

Output source current

With 1nF load

0.5

(5)

A

Output sink current

With 1nF load

1

(5)

A

Dead time

400

600

800

ns

Gate Driver Supply Voltage (VCC)

11.5

12.5

13.5

V

11.3

12.3

13.3

V

Voltage

11.2

12.2

13.2

V

Voltage dropout

0.53

V

VCC UVLO threshold

VCC rising

7.2

7.74

8.2

V

VCC UVLO hysteresis

1.8

2.05

2.3

V

GATEN pull-down resistance

2.5

Ω

GATEN pull-up resistance

9

Ω

Output source current

0.5

(5)

A

Output sink current

With 1nF load

1

(5)

A

GATEN Supply Voltage (VDR_DN)

Charge pump pull-up resistor

13

Ω

Charge pump pull-down resistor

4

Ω

Charge pump frequency

455

kHz

VDR_DN upper threshold to

stop charge pump in standby

mode

Detection circuit,

very small leakage

VCC -

2.5

V

VCC - 5.5 > 5V

VCC -

5.5

VDR_DN valley threshold to

recover charge pump in

standby mode

VCC - 5.5 < 5V

5

V

Leakage current from SOURCE

charge pump disabled

0.2

μA