參數(shù)資料
型號(hào): HV9903
廠商: Supertex, Inc.
元件分類: LED驅(qū)動(dòng)器
英文描述: White LED Driver
中文描述: 白光LED驅(qū)動(dòng)器
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 326K
代理商: HV9903
Ordering Information
Device
Package Option
MLP (3mm x 3mm)
Demo Kit
HV9903
HV9903K6*
HV9903DB1
*Product supplied on 3000 piece carrier tape reels
Absolute Maximum Ratings
V
DD
6V
V
SW
, SW Voltage
+35V
V
SHDN
-0.5V to 6V
I
Rset
10mA
V
Rset
V
DD
+ 0.5V
Storage Temperature
-65oC to +150oC
Operating Temperature
-40oC to +85oC
Recommended Operating Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Conditions
V
DD
Supply voltage
2.6
4.6
V
I
SW(pk)
Peak switch current
600
mA
T
AMB
Operating temperature
-40
85
oC
I
LED
LED current
5
40
mA
Specifications
(unless otherwise specified: T
A
= 25oC, V
DD
= 2.6V)
Symbol
Parameter
Min
Typ.
Max
Unit
Conditions
OVP
Over voltage protection
28
33
35
V
I
DD
V
DD
supply current
1.6
mA
V
Rset
=0.2V
I
DDQ
Total leakage current when
disabled
(I
SW(off)
+ I
DD(off)
+ I
LED(off)
)
500
nA
V
SHDN
=0V, R
SET
= 1.5K
R
SW
Switch on resistance
0.6
1.0
V
DD
= 2.7V
I
SW(lim)
Switch current limit
900
mA
V
Rset
Rset pin voltage
100
mV
R
SET
= 1.5K
V
LED
LED pin voltage
180
mV
R
SET
= 1.5K
, V
DD
< V
OUT
5
R
SET
= 4.53K
12.5
15
17.5
R
SET
= 1.5K
17
20
23
R
SET
= 1.13K
25
30
36
R
SET
= 750
I
LED
LED pin current
33
38
45
mA
R
SET
= 562
TC
I
LED
Tempco
0.02
mA/oC
I
LED
= 15mA
HV9903
HV9903
2
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