參數(shù)資料
型號(hào): CAT3604HV4-TE13
元件分類: LED驅(qū)動(dòng)器
英文描述: 4-Channel Regulated Charge Pump White LED Driver
中文描述: 4通道電荷泵白光LED驅(qū)動(dòng)器
文件頁(yè)數(shù): 6/11頁(yè)
文件大?。?/td> 616K
代理商: CAT3604HV4-TE13
CAT3604
6
Doc. No. 5008, Rev. I
2005 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
TYPICAL CHARACTERISTICS
V
IN
= 3.6V, EN = V
IN
,
C
IN
= C
OUT
= 1
μ
F, R
SET
= 24k
, T
AMB
= 25
C, unless otherwise specified.
Efficiency vs. Input Voltage (4 LEDs)
40
50
60
70
80
90
100
3.0
3.2
3.4
3.6
3.8
4.0
4.2
DISCHARGING BATTERY [V]
E
1x mode
1.5x mode
15mA per LED
20mA per LED
Efficiency vs. Total LED Current (4 LEDs)
40
50
60
70
80
90
100
0
50
100
150
200
TOTAL LED CURRENT [mA]
E
VIN = 4V (1x mode)
VIN = 3.2V (1.5x mode)
LED Current vs. Input Voltage
10
12
14
16
18
20
22
24
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE [V]
L
4 LEDs at 20mA
1 LED at 20mA
4 LEDs at 15mA
LED Current vs. Temperature
14.0
14.5
15.0
15.5
16.0
-50 -25
0
25
50
75 100 125
TEMPERATURE [
C]
L
4 LEDs at 15mA
Vin = 4V
Ground Current vs. Input Voltage (1x mode)
0.0
0.1
0.2
0.3
0.4
0.5
3.0
3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE [V]
G
4 LEDs OFF
Ground Current vs. Temperature (1x mode)
0.0
0.1
0.2
0.3
0.4
0.5
-40 -20
0
20
40
60
80 100
TEMPERATURE [ C]
G
4 LEDs OFF
Rset = 500k
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