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TL2575-12IN Scheda tecnica(PDF) 3 Page - Texas Instruments |
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TL2575-12IN Scheda tecnica(HTML) 3 Page - Texas Instruments |
3 / 28 page www.ti.com Internal Regulator On/Off _ + _ + 1.23-V Band-Gap Reference 52-kHz Oscillator Reset Thermal Shutdown Current Limit FEEDBACK 4 CIN + VIN 1 Unregulated DC Input GND 3 OUTPUT 2 ON/OFF 5 COUT + D1 L O A D VOUT 1-A Switch Driver Fixed-Gain Error Amplifier Comparator R2 R1 1 kW 3.3 V: R2 = 1.7 kW 5 V: R2 = 3.1 kW 12 V: R2 = 8.84 kW 15 V: R2 = 11.3 kW ADJ: R1 = Open, R2 = 0 Ω L1 TL2575-05 7-V to 40-V Unregulated DC Input CIN 100 µF + +VIN 1 3 GND 5 ON/OFF D1 1N5819 OUTPUT 2 L1 330 µH COUT 330 µF + FEEDBACK 4 5-V Regulated Output 1-A Load L2 20 µH C1 100 µF + Optional Output Ripple Filter TL2575, TL2575HV 1-A SIMPLE STEP-DOWN SWITCHING VOLTAGE REGULATORS SLVS638B – MAY 2006 – REVISED JANUARY 2007 FUNCTIONAL BLOCK DIAGRAM A. Pin numbers are for the KTT (TO-263) package. A. Pin numbers are for the KTT (TO-263) package. Figure 1. Typical Application Circuit (Fixed Version) 3 Submit Documentation Feedback |
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