参数资料
型号: MAX1698AEUB+T
厂商: Maxim Integrated
文件页数: 4/8页
文件大小: 0K
描述: IC LED DRVR WT/CLR BCKLGT 10MSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
拓扑: 升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 颜色,白色 LED
电源电压: 2.7 V ~ 5.5 V
输出电压: 60V
安装类型: 表面贴装
封装/外壳: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)
供应商设备封装: 10-µMAX
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
High-Efficiency Step-Up
Current Regulator for LEDs
Typical Operating Characteristics
(Circuit of Figure 2, V CC = V BATT = 3.3V, V ADJ = V REF , T A = +25°C, unless otherwise noted.)
NORMALIZED OUTPUT CURRENT
OUTPUT CURRENT
25
OUTPUT CURRENT vs. V BATT AND V CC
vs. V BATT
1.2
vs. ADJ VOLTAGE
22.0
vs. INPUT VOLTAGE
20
vs. V CC
1.0
21.5
0.8
15
10
0.6
0.4
21.0
5
0
1 CHAIN OF 4 LEDs
0.2
0
20.5
20.0
1 CHAIN OF 4 LEDs
0
1
2
3
4
5
6
7
8
9
10
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
2
4
6
8
10 12 14 16 18 20
V BATT , V CC (V)
BATTERY CURRENT
ADJ VOLTAGE (V)
INPUT VOLTAGE (V)
1000
900
800
700
vs. BATTERY VOLTAGE
4 CHAINS OF 4 LEDs
I BATT
100
90
80
70
EXT RISE/FALL TIME vs. C EXT
RISE TIME
100
90
80
70
EFFICIENCY vs. BATTERY VOLTAGE
600
60
60
500
400
300
200
50
40
30
20
FALL TIME
50
40
30
20
100
0
I OUT
10
0
10
0
I OUT = 80mA
4 CHAINS OF 4 LEDs
0
1
2
3
4
5
6
7
8
9
10
100
400
700
1000 1300 1600 1900 2200
0
2
4
6
8
10
V BATT (V)
C EXT (pF)
BATTERY VOLTAGE (V)
LED AND INDUCTOR CURRENT
100
EFFICIENCY vs. OUTPUT CURRENT
SHUTDOWN/SOFT-START TIMING
MXA1698-08
WAVEFORMS
MXA1698-09
90
80
70
60
50
40
I OUT
50mA/div
I BATT
100mA/div
LED
CURRENT
50mA/div
30
20
10
V BATT = 5V
4 CHAINS OF 4 LEDs
3.3V
0
I OUT SET TO 80mA, 4 CHAINS OF 4 LEDs
SHDN
5V/div
INDUCTOR
CURRENT
500mA/div
0
5
15
25 35 45 55 65
OUTPUT CURRENT (mA)
75
85
5ms/div
1 μ s/div
4
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相关PDF资料
PDF描述
MAX1698EUB+T IC LED DRVR WT/CLR BCKLGT 10MSOP
TPSD337M006Y0045 CAP TANT 330UF 6.3V 20% 2917
ABB66DHHN-S621 CONN EDGECARD 132PS .050 DIP SLD
ACB66DHHD-S621 CONN EDGECARD 132POS .050 SLD
ABB66DHHD-S621 CONN EDGECARD 132PS .050 DIP SLD
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