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GS-R1005 Datasheet 50w Step-down Switching Regulator

Manufacturer: STMicroelectronics

Overview: GS-R1005 50W STEP-DOWN SWITCHING REGULATOR Type GS-R1005 Vi 12 to 36 V Vo 5V Io 10.

General Description

The GS-R1005 is a step-down switching voltage regulator suitable to provide 5V/10Aoutput voltage from a wide input voltage range (12 to 36V).

ABSOLUTE MAXIMUM RATINGS Symbol Vi Viinh Tcop Tstg DC Input Voltage High Inhibit voltage Operating Case Temperature Range Storage Temperature Range Parameter Value 40 28 0 to +75 – 20 to +105 Unit V V °C °C June 1994 1/7 GS-R1005 ELECTRICAL CHARACTERISTICS (Tamb = 25°C unless otherwise specified) Symbol Vi li lir Vien Viinh liinh Vo Vor δVOL δVOO ∆ Vo Io Iol Iosc δI o Parameter Input Voltage Input Current Reflected Input Current Enable Input Voltage Inhibit Input Voltage Inhibit Input Current Output Voltage Output Ripple Voltage Line Regulation Load Regulation Total Remote Sense pensation Output Current* Output Current Limiting Short-circuit Output Current Current Sharing Deviation Soft-start Time Line Transient Recovery Time Load Transient Recovery Time Switching Frequency Efficiency Thermal Resistance Case-to-ambient Test Conditions Vo = 5.05V Vi = 24V Io = 1.2 to 10A Io = 10A Min 12 Typ 24 2.5 200 0 2 0.3 4.9 5.05 100 220 1.2 24 0.5 5.2 120 0.5 1 0.5 Vo = 5.05V 0 12.5 10 13.7 16 10 Max 36 Unit V A mApp V V mA V mVpp % % V A A A % Vi = 24V Io = 10A with external filter (C = 470µF) Vi = 12 to 36V Io = 1.2 to 10A Vi = 12 to 36V Io = 1.2 to 10A Vi = 12 to 36V Io =1.2 to 10A Viinh = 5V Vi = 12 to 36V Io = 1.2 to 10A Vi = 24V Io = 10A Vi = 12 to 36V Io = 10A Vi = 24V Vi = 24V Io = 10A Vi = 12 to 36V Vi = 12 to 36V Vi = 24V Vi = 24V Io = 2 to 10A two modules in parallel Vi = 24V Io = 10A Io = 1.2 to 10A tss tr1 tr2 fs η R thc 15 60 100 100 80 83 7.5 ms µs µs kHz % °C/W Vi = 12 to 36

Key Features

  • Wide input voltage range (12 to 36V) High efficiency (80% min. ) Parallel operation with current sharing Synchronization Remote inhibit/enable Remote load voltage sense Output short-circuit protection Soft-start PCB or chassis mountable.

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