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KA78RH33RTF Fiches technique(PDF) 1 Page - Fairchild Semiconductor |
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KA78RH33RTF Fiches technique(HTML) 1 Page - Fairchild Semiconductor |
1 / 5 page © 2001 Fairchild Semiconductor Corporation www.fairchildsemi.com KA78RH33R Rev. 1.1.0 1 June 2014 KA78RH33R Low Dropout Voltage Regulator Features • Fixed Output Voltage of +3.3 V • Space-Saving SMD Types of DPAK • 1 V (Typical) Dropout at IO = 800 mA • Output Current: 800 mA • Thermal Shutdown Protection • Over-Current Protection • Output Trimmed to ±1% Tolerance • No Minimum Load Requirement Ordering Information * Refer to above unit orientation figure for TM / TF suffix packing. Block Diagram Figure 1. Block Diagram Part Number Operating Tem- perature Range Top Mark Package Packing Method KA78RH33RTF -25 °C to +125°C KA78RH33 TO-252 3L (DPAK) Tape and Reel KA78RH33RTM -25 °C to +125°C KA78RH33 TO-252 3L (DPAK) Tape and Reel 3.Vin 2.Vout 1.GND CURRENT GENERATOR PROTECTION CIRCUIT 2.VOUT 3.VIN Description The KA78RH33 is a +3.3V, fixed, low dropout voltage regulator specifically designed for use in low-voltage operation. The maximum load current is 0.8 A and the dropout voltage is guaranteed to be 1 V (typical). The dropout voltage varies with load current. The regulator consists of composite PNP-NPN pass transistors. D-PAK 1. GND 2. VOUT 3.VIN 1 |
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