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MAX6481BL25BD3 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX6481BL25BD3 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 24 page 300mA LDO Linear Regulators with Internal Microprocessor Reset Circuit 8 _______________________________________________________________________________________ MAX6473/MAX6474/MAX6481/MAX6482 Pin Description PIN BUMP MAX6473/MAX6474 MAX6481/MAX6482 SOT23 TDFN UCSP NAME FUNCTION 1 1, 2 A1 IN Regulator Input. Bypass IN to GND with a 0.1µF capacitor. 23 A2 GND Ground. This pin also functions as a heatsink. Solder to large pads or the circuit-board ground plane to maximize thermal dissipation. 34 A3 SHDN Active-Low Shutdown Input. Connect SHDN to VIN for normal operation. 45 C3 RESET Active-Low Reset Output. RESET remains low while VOUT is below the reset threshold or while MR is held low. RESET remains low for the duration of the reset timeout period after the reset conditions are terminated. RESET is available in open-drain and push-pull configurations. 56 C2 MR Active-Low Manual Reset Input. The reset output is asserted while MR is pulled low and remains asserted for the duration of the reset timeout period after MR transitions from low to high. Leave MR unconnected or connect to VOUT if not used. MR has an internal pullup resistor of 40kΩ (typ) to VOUT. 6 7, 8 C1 OUT Regulator Output. Bypass OUT to GND with a minimum 3.3µF (min) low-ESR capacitor. —EP — — Exposed Paddle. EP is internally connected to GND. Connect EP to the ground plane to provide a low thermal-resistance path from the IC junction to the PCB. Do not use as the electrical connection to GND. MAX6475/MAX6476/MAX6483/MAX6484 Pin Description PIN BUMP MAX6475/MAX6476 MAX6483/MAX6484 SOT23 TDFN UCSP NAME FUNCTION 1 1, 2 A1 IN Regulator Input. Bypass IN to GND with a 0.1µF capacitor. 23 A2 GND Ground. This pin also functions as a heatsink. Solder to large pads or the circuit-board ground plane to maximize thermal dissipation. 34 A3 SHDN Active-Low Shutdown Input. Connect SHDN to VIN for normal operation. 45 C3 RESET Active-Low Reset Output. RESET remains low while FB is below the reset threshold. RESET remains low for the duration of the reset timeout period after the reset conditions are terminated. RESET is available in open-drain and push-pull configurations. 56 C2 FB Feedback Input for Linear Regulator Controller or Remote Sense Applications. Connect FB to the external load (VCC) to obtain the fixed output voltage. 6 7, 8 C1 OUT Regulator Output. Bypass OUT to GND with a minimum 3.3µF low-ESR capacitor. —EP — — Exposed Paddle. EP is internally connected to GND. Connect EP to the ground plane to provide a low thermal-resistance path from the IC junction to the PCB. Do not use as the electrical connection to GND. |
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Similar Description - MAX6481BL25BD3 |
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