LDA48系列 非隔離降壓LED驅動器

功能&特點

• 24PIN DIL包裝。

• 降壓恆流輸出LED驅動器。

• 寬輸入電壓範圍。

• 短路和過熱保護。

• 效率高達98％。

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Specifications Typical At TA = 25°C, Nominal Input Voltage And Rated Output Current Unless Otherwise Specified

Part Number	Input Range	Output Voltage	Constant Current
	Vdc	Vdc	mA
LDA48-0.30	36-72	18-70	300
LDA48-0.35	36-72	18-70	350
LDA48-0.50	36-72	18-70	500
LDA48-0.60	36-72	18-70	600
LDA48-0.70	36-72	18-70	700

Input Specifications

Parameters	Conditions	Min	Typ	Max	Units
Voltage Tolerance	Vo,Io nom	36	48	72	Vdc
Filter	Capacitor		2.2		μF

Output Specifications

Parameters	Conditions	Min	Typ	Max	Units
Output Voltage Range	Vin=36V	18		70	Vdc
Output Current Range	Vin - Vout >2.0V	300		700	mA
Output Current Accuracy	Vin=48V, 12 LEDS		±5	±8	%
Output Current Stability	Vin=48V, 5LED to 12 LEDS		±5	±10	%
Efficiency at full load				98	%
Capacitive Load				100	μF
Short Circuit Protection	Continuous

General Specifications

Parameters	Conditions	Min	Typ	Max	Units
Operating Frequency	Full load, nominal input		800		KHz
Operation Temperature	300mA / 350mA	-40		+85	℃
	500mA/ 600mA/ 700mA	-40		+71	℃
Case Temperature				100	℃
Humidity	Non Condensing			95	%
Cooling	Free air Convectiong
Wave Soldering Profile	265℃/10 sec MAX
Potting Material	Epoxy (UL94-V0)
MTBF	MIL-HDBK-217F@25℃	2000000			Hours
Case material	DAP
Weight		12.8			g
Dimensions		31.8x20.30x10.20			mm
PWM	LED ON	<0.5			Vdc
	LED OFF	> 2			Vdc

Dimension

 Files Download        LDA48-Series.pdf

Certification