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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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相关代理商/技术参数
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MAX8630YETD15+ 制造商:Maxim Integrated Products 功能描述:CHG PUMP STPUP/STPDN -0.3V TO 6V 125MA 14TDFN EP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
MAX8630YETD15+T 功能描述:LED照明驱动器 125mA 1x/1.5x Charge Pump for 5 WLEDs RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX8630YETD15-T 功能描述:LED照明驱动器 125mA 1x/1.5x Charge Pump for 5 WLEDs RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX8630YETD18 制造商:Maxim Integrated Products 功能描述:125MA 1X/1.5X CHARGE PUMPS FOR 5 WH - Rail/Tube
MAX8630YETD18+ 制造商:Maxim Integrated Products 功能描述:CHG PUMP STPUP/STPDN -0.3V TO 6V 125MA 14TDFN EP - Rail/Tube
MAX8630YETD18+T 功能描述:LED照明驱动器 125mA 1x/1.5x Charge Pump for 5 WLEDs RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX8630YETD18-T 功能描述:LED照明驱动器 125mA 1x/1.5x Charge Pump for 5 WLEDs RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N