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UAA1030, UAA1041, UAA1041B

Table of contents:
Info of UAA1030
Info of UAA1041
Info of UAA1041B

UAA1030, UAA1041, UAA1041B Selling Leads, Datasheet

MFG:PHI Package Cooled:DIP D/C:03+

UAA1030, UAA1041, UAA1041B Datasheet download

Five Points

Part Number: UAA1030

MFG: PHI

Package Cooled: DIP

D/C: 03+

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UAA1041B General Description

The circuit is designed to drive the direction indicator flasher relay. Figure 2 shows the typical system configuration with the external components. It consists of a network (R1,C1) to determine the oscillator frequency, shunt resistor (RS) to detect defective bulbs and short circuits in the system, and two current limiting resistors (R2/R3) to protect the IC against load dump transients. The circuit can be used either with or without short circuit detection, and features overvoltage,defective lamp and short circuit detection.

The lightbulbs L2, L3, L4, L5 are the turn signal indicators with the dashboardlight L6. When switch S1 is closed, after a time delay of t1 (in our example t1 = 75 ms), the relay will be actuated. The corresponding lightbulbs (L2, L3 or L4, L5) will flash at the oscillator frequency, independent of the battery voltage of 8.0 V to 18 V. The flashing cycle stops and the circuit is reset to the initial position when switch S1 is open.

UAA1041B Maximum Ratings

Rating	Pin	Value	Unit
Current: Continuous/Pulse*	1 2 3 8	+150/+500 -35/-500 ±350/1900 ±300/1400 ±25/50	mA
Junction Temperature	T_J	150
Operating Ambient Temperature Range	T_A	-40to+100
Storage Temperature Range	T_stg	-65to+150
Thermal Resistance, JunctiontoAmbient	R_JA	100	/W(Typ)

* One pulse with an exponential decay and with a time constant of 500 ms.

UAA1041B Features

• Overvoltage Protection
• Short Circuit Detection and Relay Shutdown to Prevent Risk of Fire
• Reverse Battery Connection Protection
• Integrated Suppression Clamp Diode

UAA1041B Connection Diagram

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