参数资料
型号: MAX8630WETD20+T
厂商: Maxim Integrated
文件页数: 4/12页
文件大小: 0K
描述: IC LED DRVR WHITE BCKLGT 14TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
恒定电流:
拓扑: PWM,切换式电容器(充电泵)
输出数: 5
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 1MHz
电源电压: 2.7 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 14-WFDFN 裸露焊盘
供应商设备封装: 14-TDFN-EP(3x3)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: MAX8630WETD20+TDKR
125mA 1x/1.5x Charge Pumps for 5 White LEDs
in 3mm x 3mm TDFN
Typical Operating Characteristics (continued)
(V IN = 3.6V, ENM = ENS = IN, T A = +25°C, unless otherwise noted.)
160
INPUT CURRENT vs. INPUT VOLTAGE
DRIVING 2 SUB LEDs
140
INPUT RIPPLE VOLTAGE vs. SUPPLY
VOLTAGE DRIVING 5 WHITE LEDs
28
LED CURRENT MATCHING vs. INPUT
VOLTAGE (25mA/LED)
140
120
100
80
I LED = 20mA
V IN FALLING
120
100
80
20mA/LED
15mA/LED
8mA/LED
27
26
25
24
60
60
23
40
20
0
I LED = 8.125mA
I LED = 1.875mA
40
20
0
2mA/LED
22
21
20
2.7
3.0
3.3
3.6
3.9
4.2
2.7
3.2
3.7
4.2
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
2.80
2.70
2.60
LED CURRENT MATCHING vs. INPUT
VOLTAGE (2.5mA/LED)
140
120
100
OUTPUT CURRENT vs. TEMPERATURE
(5 LEDs AT 25mA EACH)
2.50
80
2.40
2.30
60
TEMPERATURE
DERATING
2.20
2.10
2.00
40
20
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
-40
-15
10
35
60
85
INPUT VOLTAGE (V)
1x MODE OPERATING WAVEFORMS
(V IN = 4.0V)
MAX8630W/X toc09
TEMPERATURE ( ° C)
1.5x MODE OPERATING WAVEFORMS
(V IN = 3.6V)
MAX8630W/X toc10
V OUT
V IN
I IN
1 μ s/div
200mV/div
(AC-COUPLED)
200mV/div
(AC-COUPLED)
100mA/div
V OUT
V IN
I IN
1 μ s/div
200mV/div
(AC-COUPLED)
200mV/div
(AC-COUPLED)
100mA/div
4
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