125mA 1x/1.5x Charge Pumps for 5 White LEDs
in 3mm x 3mm TDFN
1 μ F
1 μ F
2.7V TO 5.5V
IN
C1P
C1N
OUT
2.7V TO 5.5V
IN
C1P
C1N
OUT
1 μ F
1 μ F
1 μ F
1 μ F
GND
MAX8630X
LED1
MAIN
GND
MAX8630W
LED1
ENABLE MAIN
LED2
CPWM
LED2
ON/OFF AND
SERIAL DIMMING
ENM
LED3
SUB
0.1 μ F
LED3
LED4
LED4
ENABLE SUB
ON/OFF AND
SERIAL DIMMING
ENS
C2P
C2N
LED5
DIRECT PWM
SIGNAL
PWM
C2P
C2N
LED5
1 μ F
Figure 1. Typical Applications Circuit with the MAX8630X
1 μ F
Figure 2. Typical Applications Circuit with the MAX8630W
C1
1 μ F
C2
1 μ F
INPUT
C1P
C1N
C2P
C2N
2.7V TO 5.5V
C IN
1 μ F
IN
1x/1.5x REGULATING
CHARGE PUMP
OUT
C OUT
1 μ F
GND
ENS
CONTROL AND
ERROR
AMP 1
OVD
1.25V
MAX8630W
MAX8630X
(PWM)
ENM
(CPWM)
REFERENCE
0.12V
SUB CONTROL
MAIN CONTROL
MIN
SELECT
MAX8630W
ONLY
ERROR
AMP 2
0.6V
LED1
LED2
LED3
LED4
LED5
D1
D2
D3
D4
D5
0.6V
+
+
+
+
+
RSET
( ) ARE FOR MAX8630W
Figure 3. Functional Diagram
_______________________________________________________________________________________
7
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相关代理商/技术参数
MAX8630YETD15 制造商:Maxim Integrated Products 功能描述:125MA 1X/1.5X CHARGE PUMPS FOR 5 WH - Rail/Tube
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