PMP10596, 24V Input 700mA Output Buck Regulator LED Driver Reference Design
Progetto di riferimento usando la parte LM46002PWP di Texas Instruments
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- PMP10596, 24V Input 700mA Output Buck Regulator LED Driver Reference Design. The PMP10596 reference design is an LED driver based on SIMPLE SWITCHER LM46002 buck regulator. The driver board takes 24V +/-25% input voltage and supplies700mA output current to drive up to 4 LEDs in series. The LM46002 is a 60V, 2A synchronous buck regulator with integrated FETs and in this design it is configured as a high efficiency constant current converter. This is accomplished by using the voltage across a current sense resistor as the feedback signal. To reduce the sense resistor power loss, a 2V voltage reference is used to bias the FB pin via a resistor network and, as a result, the equivalent feedback reference voltage becomes 0.35V, lower than the 1V feedback of the LM46002
Funzioni principali
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Conversion TypeDC to DC
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Input Voltage18 to 30 V
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Output Voltage16 V
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Output Current0.7 A
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Output Power11.2 W
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Efficiency94 %
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TopologyBuck- Synchronous
Parti in primo piano (4)
| Numero parte | Produttore | Tipo | Per contattare il Servizio Clienti. | |||
|---|---|---|---|---|---|---|
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LM4040AIM3X-2.0 | Texas Instruments | Voltage References | V-Ref Precision 2.048V 15mA 3-Pin SOT-23 T/R | AGGIORNA | |
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LM46002PWP | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.5V to 60V Synchronous Step Down Single-Out 1V to 28V 2A 16-Pin HTSSOP EP Tube | AGGIORNA | |
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LM46002PWPR | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.5V to 60V Synchronous Step Down Single-Out 1V to 28V 2A 16-Pin HTSSOP EP T/R | AGGIORNA | |
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LM46002PWPT | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.5V to 60V Synchronous Step Down Single-Out 1V to 28V 2A 16-Pin HTSSOP EP T/R | AGGIORNA | |