l9468 STMicroelectronics, l9468 Datasheet
l9468
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l9468 Summary of contents
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... PROTECTION ■ PROTECTED DIAGNOSTIC LAMP DRIVER ■ REDUCED OUTPUT MODE ■ COMPLEX DIAGNOSTICS LOAD RESPONSE CONTROL ■ 2 Description The L9468 is a monolithic multifunction generator Voltage regulator intended for use in automotive ap- Figure 2. Block Diagram ECM ASVR F+ FIELD (ROTOR) April 2005 ALL SILICON VOLTAGE REGULATOR Figure 1 ...
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... L9468 Table 2. Pin Description N° Pin 1 V Generator output sense and voltage supply to L9468 Field high side driver output 3 G Ground for L9468 4 S Battery sense input 5 GND Connected to the Tab through the frame 6 F Field monitor output Lamp terminal low side driver ...
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... failsoft = 25°C case = 125°C case 8.3 5 340 400 3 6.25 OV and F+ 5 POWER SUPPLY 2. 1.8Ω FIELD D02AT505 L9468 Max. Unit µA 400 300 mV 100 mV 750 mV 850 1. ...
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... L9468 Figure 5. Setpoint Voltage vs (V) 15.9 15.8 15.6 15.45 15.4 15.2 15 15.0 14.8 14.6 14.4 14.2 14.0 13.8 13.6 13.4 13.2 13.0 -40 -20 Table 6. Diagnostic (T -35°C to +150°C unless otherwise specified) case Symbol Parameter V Failsafe Output Voltage FSO V Switch sensing from FSL V Switch sensing from V FSH I Sink current @ "S" pin S V Undervoltage UV V Overvoltage ...
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... This threshold on the phase signal is used to sense the presence of the phase for fault detection purposes. 9. This is the time duration the L9468 takes to rump up from 100% duty cycle in response to an increased load on the enerator. The LRC ratio is set 1:4 and the Vreg comparator status is latched at foundamental frequency rate. ...
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... L9468 4 Package Information Figure 6. Multiwatt 8 Mechanical Data & Package Dimensions mm DIM. MIN. TYP. MAX 2.65 C 1.6 E 0.49 0.55 F 0.78 0.85 F1 0.68 0.75 G 2.40 2.54 2.68 G1 17.64 17.78 17.92 H1 19.6 H2 20.2 L 20.35 20.65 L2 17.05 17.20 17.35 L3 17.25 17.5 17.75 L4 10.3 10.7 10.9 L5 15.45 15.75 L5* 15.05 15.35 L7 2.65 2.9 S 1.9 2.6 S1 1.9 2.6 U 0.40 0.55 Z 0.70 0.85 Dia1 3.65 3. with wedged frame std. L5* = with wedged frame anchor holes. 6/8 inch MIN. TYP. MAX. 0.197 0.104 ...
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... Revision History Table 9. Revision History Date Revision April 2005 1 First Issue Description of Changes L9468 7/8 ...
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... L9468 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...