HV9903 查看數據表（PDF） - Supertex Inc

零件编号

产品描述 (功能)

生产厂家

HV9903

White LED Driver

Supertex Inc 

Ordering Information

Device

HV9903

Package Option

MLP (3mm x 3mm)

HV9903K6*

Demo Kit

HV9903DB1

HHVV99990033

*Product supplied on 3000 piece carrier tape reels

Absolute Maximum Ratings

VDD

VSW, SW Voltage

VSHDN

IRset

VRset

Storage Temperature

Operating Temperature

6V

+35V

-0.5V to 6V

10mA

VDD + 0.5V

-65ºC to +150ºC

-40ºC to +85ºC

Recommended Operating Conditions

Symbol

VDD

ISW(pk)

TAMB

ILED

Parameter

Supply voltage

Peak switch current

Operating temperature

LED current

Min Typ Max Unit Conditions

2.6

4.6

V

600

mA

-40

85

ºC

5

40

mA

Specifications (unless otherwise specified: TA = 25ºC, VDD = 2.6V)

Symbol Parameter

Min Typ. Max Unit

OVP Over voltage protection

28

33

35

V

IDD

IDDQ

RSW

ISW(lim)

VRset

VLED

ILED

VDD supply current

Total leakage current when

disabled

(ISW(off) + IDD(off) + ILED(off))

Switch on resistance

Switch current limit

Rset pin voltage

LED pin voltage

LED pin current

1.6

mA

500

nA

0.6 1.0

Ω

900

mA

100

mV

180

mV

5

12.5 15 17.5

17

20

23

mA

25

30

36

33

38

45

TC

ILED Tempco

0.02

mA/ºC

Conditions

VRset =0.2V

VSHDN =0V, RSET = 1.5KΩ

VDD = 2.7V

RSET = 1.5KΩ

RSET = 1.5KΩ, VDD < VOUT

RSET = 4.53KΩ

RSET = 1.5KΩ

RSET = 1.13KΩ

RSET = 750Ω

RSET = 562Ω

ILED = 15mA

2

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