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LM2575-12 Arkusz danych(PDF) 2 Page - Motorola, Inc |
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LM2575-12 Arkusz danych(HTML) 2 Page - Motorola, Inc |
2 / 28 page LM2575 2 MOTOROLA ANALOG IC DEVICE DATA Figure 1. Block Diagram and Typical Application 7.0 V – 40 V Unregulated DC Input L1 330 µH Gnd +Vin 1 Cin 100 µF 3ON/OFF 5 Output 2 Feedback 4 D1 1N5819 Cout 330 µF Typical Application (Fixed Output Voltage Versions) Representative Block Diagram and Typical Application Unregulated DC Input +Vin 1 Cout Feedback 4 Cin L1 D1 R2 R1 1.0 k Output 2 Gnd 3 ON/OFF 5 Reset Latch Thermal Shutdown 52 kHz Oscillator 1.235 V Band–Gap Reference Freq Shift 18 kHz Comparator Fixed Gain Error Amplifier Current Limit Driver 1.0 Amp Switch ON/OFF 3.1 V Internal Regulator Regulated Output Vout Load Output Voltage Versions 3.3 V 5.0 V 12 V 15 V R2 ( Ω) 1.7 k 3.1 k 8.84 k 11.3 k For adjustable version R1 = open, R2 = 0 Ω LM2575 5.0 V Regulated Output 1.0 A Load This device contains 162 active transistors. ABSOLUTE MAXIMUM RATINGS (Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.) Rating Symbol Value Unit Maximum Supply Voltage Vin 45 V ON/OFF Pin Input Voltage – –0.3 V ≤ V ≤ +Vin V Output Voltage to Ground (Steady–State) – –1.0 V Power Dissipation Case 314B and 314D (TO–220, 5–Lead) PD Internally Limited W Thermal Resistance, Junction–to–Ambient R θJA 65 °C/W Thermal Resistance, Junction–to–Case R θJC 5.0 °C/W Case 936A (D2PAK) PD Internally Limited W Thermal Resistance, Junction–to–Ambient (Figure 34) R θJA 70 °C/W Thermal Resistance, Junction–to–Case R θJC 5.0 °C/W Storage Temperature Range Tstg –65 to +150 °C Minimum ESD Rating (Human Body Model: C = 100 pF, R = 1.5 k Ω) – 3.0 kV Lead Temperature (Soldering, 10 s) – 260 °C Maximum Junction Temperature TJ 150 °C NOTE: ESD data available upon request. |
Podobny numer części - LM2575-12 |
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Podobny opis - LM2575-12 |
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