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Features: • Low voltage operation and High accuracy. VREF = 1.26 V ± 2.4 %• Adjustable output voltage by two external resistors.VREF VOUT 24 V• Pin compatible to m PC1093.PinoutSpecifications Parameter Symbol Ratings Unit Cathode Voltage VKA 25 V Ca...

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SeekIC No. : 004537967 Detail

UPC1943: Features: • Low voltage operation and High accuracy. VREF = 1.26 V ± 2.4 %• Adjustable output voltage by two external resistors.VREF VOUT 24 V• Pin compatible to m PC1093.PinoutSpe...

UPC1943 Data Sheet

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Part Number:: UPC1943
Supply Ability:: 5000

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Product Details

Description

Features:

• Low voltage operation and High accuracy. V_REF = 1.26 V ± 2.4 %
• Adjustable output voltage by two external resistors.V_REF V_OUT 24 V
• Pin compatible to m PC1093.

Pinout

Connection Diagram

Specifications

Parameter		Symbol	Ratings	Unit
Cathode Voltage		V_KA	25	V
Cathode Current		I_K	50	mA
Cathode to Anode Reverse Current		-I_K	-30	mA
Reference Voltage		V_REF	7	V
Reference Input Current		I_REF	50	A
Reference to Anode Reverse Current		-I_REF	-10	mA
Total Power Dissipation	PC1943T	P_T	320(1600^Note)	mW
	PC1944T		320(1600^Note)	mW
	PC1944J		560	mW
	PC1944GR		385	mW
Operating Ambient Temperature		T_A	-30 to +85	°C
Operating Junction Temperature		T_J	-30 to +125	°C
Storage Temperature		T_stg	- 65 to + 125	°C

Note with 16 cm² * 0.7 mm ceramic substrate.

Description

The PC1943,1944 are adjustable precision shunt regulators with guaranteed thermal stability. The output voltage can be set to any value between reference voltage (1.26 V) and 24 V by two external resistors.These ICs can apply to error amplifier of switching regulators.

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UPC1943

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