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L4969 Datasheet(PDF) 1 Page - STMicroelectronics |
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L4969 Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 35 page 1/35 L4969 August 2003 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. s OPERATING SUPPLY VOLTAGE 6V TO 28V, TRANSIENT UP TO 40V s LOW QUIESCENT CURRENT CONSUMP- TION, LESS THAN 40 µA IN SLEEP MODE s TWO VERY LOW DROP VOLTAGE REGULATORS 5V / 200mA AND 5V/200mA s SEPARATE VOLTAGE REGULATOR FOR CAN-TRANSCEIVER SUPPLY WITH LOW POWER SLEEP MODE s EFFICIENT UC SUPERVISION AND RESET LOGIC s 24 BIT SERIAL INTERFACE s AN UNPOWERED OR INSUFFICIENTLY SUPPLIED NODE DOES NOT DISTURB THE BUS LINES s VS VOLTAGE SENSE COMPARATOR s SUPPORTS TRANSMISSION WITH GROUNDSHIFT: SINGLE WIRE: 1.5V, DIFFERENTIAL: 3V DESCRIPTION The L4969 is an integrated circuit containing 3 inde- pendent Voltage Regulators and a standard fault tol- erant low speed CAN line interface in multipower BCD3S process. It integrates all main local functions for automotive body electronic applications connected to a CAN bus. SO20 PowerSO20 ORDERING NUMBERS: L4969MD (SO20) L4969 (PowerSO20) PRELIMINARY DATA SYSTEM VOLTAGE REGULATOR WITH FAULT TOLERANT LOW SPEED CAN-TRANSCEIVER Figure 1. Block Diagram VREG 1 VREG 2 VREG 3 Fault tolerant low speed CAN-transceiver 24 Bit SPI Control and Status Memory Identifier Filter Watchdog and adjustable RC-Oscillator VS V1 V2 V3 CANH CANL RTH RTL TX RX SCLK SIN SOUT WAKE NINT NRESET |
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