onsemi CS51033
The CS51033 is a switching controller for use in DC−DC converters. It can be used in the buck topology with a minimum number of external components. The CS51033 consists of a 1.0 A power driver for controlling the gate of a discrete P−Channel transistor, fixed frequency oscillator, short circuit protection timer, programmable Soft−Start, precision reference, fast output voltage monitoring comparator, and output stage driver logic with latch.FEATURES
8 1 SOIC−8 D SUFFIX CASE 751●
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● 1.0 A Totem Pole Output Driver High Speed Oscillator (700 kHz max) No Stability Compensation Required Lossless Short Circuit Protection 2.0% Precision Reference Programmable Soft−Start Wide Ambient Temperature Range: ♦ Industrial Grade: −40°C to 85°C ♦ Commercial Grade: 0°C to 70°C Pb−Free Packages are Available 51033 A L Y W x G MARKING DIAGRAM 8 51033 ALYWx G 1 = = = = = = Device Code Assembly Location Wafer Lot Year Work Week Continuation of Device Code x = Y or G = Pb−Free Package PIN CONNECTIONS 1 VGATE PGND COSC GND VC CS VCC VFB ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 9 of this data sheet. © Semiconductor Components Industries, LLC, 2005 1 October, 2005 − Rev. 10 Publication Order Number: CS51033/D CS51033 3.3VIN CIN 100 mF RC 10 W D4 1N5818 D2 1N4148 D3 1N4148 C1 0.1 mF VC V GATE RG 10 W IRF7404 U1 CS51033 VCC VFB 0.1 mF 4.7 mH 1.5VOUT @ 3.0 Amp 100 COSC C...