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RT9172S-19CM Datasheet(PDF) 2 Page - Richtek Technology Corporation |
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RT9172S-19CM Datasheet(HTML) 2 Page - Richtek Technology Corporation |
2 / 16 page RT9172 Preliminary www.richtek-ic.com.tw DS9172-03 April 2002 2 Part Number Pin Configurations RT9172N- CT5 RT9172F- CT5 (Plastic TO-220-5) TOP VIEW 1. EN 2. VIN 3. GND (TAB) 4. VOUT 5. SENSE/FLG RT9172N- CM5 RT9172F- CM5 (Plastic TO-263-5) TOP VIEW 1. EN 2. VIN 3. GND (TAB) 4. VOUT 5. SENSE/FLG Part Number Pin Configurations RT9172S- CT5 (Plastic TO-220-5) TOP VIEW 1. VIN 2. EN 3. GND (TAB) 4. SENSE 5. VOUT RT9172S- CM5 (Plastic TO-263-5) TOP VIEW 1. VIN 2. EN 3. GND (TAB) 4. SENSE 5. VOUT Typical Application Circuit Fig. 1 Fig. 2 Fig. 3 Recommend COUT: (1) 10 µF (or larger) electrolytic or tantalum capacitance (2) 1 µF or 10µF ceromic capacitor parrell with 100µF electrolytic or tantalum capacitance VIN = 3.3V VIN VOUT GND COUT VOUT 2.5V, 3A CIN 1 µF RT9172-25 VIN VOUT EN GND SENSE COUT L O A D ILOAD VLOAD = 2.5V RT9172N-25 VIN = 3.3V CIN 10 µF Trace resistance = Rt VIN VOUT EN GND FLG COUT 10K 10K VOUT = 2.5V L O A D ILOAD Trace resistance = Rt VLOAD = 2.5V-ILOADRt RT9172F-25 VIN = 3.3V CIN 10 µF 1 2 345 12 3 4 5 12 3 4 5 12 3 4 5 |
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