MP3398A datasheet(5/20 Pages) MPS

部件名	MP3398A

功能描述	Step up, 4 strings, Max. 350mA/string Analog and PWM dimming, White LED Controller

PDF	20 Pages

Scroll/Zoom	100%

制造商	MPS [Monolithic Power Systems]

网页	http://www.monolithicpower.com

标志

5 / 20 page

STEP UP, 4 STRINGS, MAX. 350MA/STRING ANALOG AND PWM DIMMING, WHITE LED CONTROLLER

MP3398A Rev. 1.04

www.MonolithicPower.com

5/26/2017

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

ELECTRICAL CHARACTERISTICS (continued)

VIN =12V, VEN = 5V, TA = 25°C, unless otherwise noted.

Parameters

Symbol

Condition

Min

Typ

Max

Units

LEDX Regulation Voltage

VLEDX

ILED=330mA

800

ILED=60mA

285

PROTECTION

OVP(Over Voltage Protection)

Threshold

VOVP_OV

Rising Edge

1.20

1.23

1.26

OVP(Over Voltage Protection)

Threshold HYS

VOVP_HYS

HYS

OVP UVLO threshold

VOVP_UV

Step-up Converter Fails

120

LEDX UVLO Threshold

VLEDX_UV

120

200

280

LEDX Over Voltage Threshold

VLEDX_OV

5.8

6.3

6.8

LED Short Fault Cycles

T_LED_OV

4096

Latch-Off Current Limit

VLMT

560

640

720

Thermal Protection Threshold

TST

150

°C

Thermal Protection Hysteresis

°C

Notes:

5) Matching is defined as the difference of the maximum to minimum current divided by 2 times average currents.

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