MC34712 - Freescale Semiconductor

MC34712 Fully Integrated DDR Switch-Mode Power Supply

of each pin can be found in the Functional Pin Description section beginning on page 10. Pin Number 1 2 3 4 5 6 7 8 9 10 11 12,13,14 15,16,17 18,19,20 21 Pin Name GND FREQ NC PG STBY SD Pin Function Ground Passive None Output Input Input Input Output Passive Input Output Ground Power Supply Passive Formal Name Signal Ground Analog signal ground of IC Defi.

Features

• 45 mΩ Integrated N-Channel Power MOSFETs
• Input Voltage Operating Range from 3.0 V to 6.0 V
• ±1 % Accurate Output Voltage, Ranging from 0.7 V to 1.35 V
• ±1 % Accurate Buffered Reference Output Voltage
• Programmable Switching Frequency Range from 200 kHz to 1.0 MHz with a default of 1.0 MHz
• Over Current Limit and Short Circuit Protection
• Thermal Shutdown www.DataSheet4U.com
• Output Overvoltage and Undervoltage Detection
• Active Low Power Good Output Signal
• Active Low Standby and Shutdown Inputs
• Pb-Free Packaging Designated by Suffix Code EP. VIN (3.0V TO 6.0V) 34712 SWITCH-MOD.