MIC4807

MIC4807 Micrel MIC4807 80V 8-Channel Addressable Low-Side Driver General Description The MIC4807 is an 80V, 8-channel, addressable low side driver with latches and TTL/CMOS compatible logic inputs. Each logic input is composed of a comparator with a 1.4V bandgap-derived reference serving as the trip point. The addresses (AIN, BIN, and CIN) and Data-in logic inputs have an internal 50µA pull-up current source, while the Output Enable (OE), Chip Select (CS), and Clear logic inputs have an internal 75µA pull-down sink. If the logic lines to the MIC4807 are severed, these currents guarantee that the outputs will turn OFF. Individual latches in the MIC4807 are selected by a binary address presented at inputs AIN, BIN, and CIN. Data-in is directed to the addressed latch while CS is held low, allowing an individual output to be pulse-width modulated. When CS is set high again, the last Data-in is stored in the latch. If Datain = "1", the addressed output is turned on, and if Data-in = "0", the addressed output is turned off. Information presented to Data-in and the address inputs is transferred to the latches while CS is pulled low. For application, where several outputs must be (Continued) Features 4.5V to 16V Operation Eight 80V 100mA Outputs Off-state Leakage less than 10µA at 25°C Short-Circuit Proof Thermal Shutdown with Hysteresis DMOS Output Devices (RON ≤ 7Ω at 25°C) Lamp Drivers Solenoid Drivers Display Drivers -Electroluminescent -Vacuum Fluorescent -...