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LM337M Folha de dados(PDF) 4 Page - ON Semiconductor |
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LM337M Folha de dados(HTML) 4 Page - ON Semiconductor |
4 / 8 page LM337M 4 MOTOROLA ANALOG IC DEVICE DATA Figure 2. Load Regulation and ∆IAdj/Load Test Circuit Figure 3. Standard Test Circuit Figure 4. Ripple Rejection Test Circuit Cin 1.0 µF R2 1% R1 120 1% CO + RL (max Load) –VO (min Load) VO (max Load) Adjust Vin –Vin Vout * Pulse Testing required: 1% Duty Cycle is suggested. Load Regulation (mV) = VO (min Load) – VO (max Load) Load Regulation (%/VO) = x 100 * IL IAdj 1.0 µF VO (min Load) – VO(max Load) VO RL + 1.0 µF CO R1 120 1% R2 Cin Adjust Vin LM337M To Calculate R2: R2 = – 1 R1 This assumes IAdj is negligible. Pulse Testing Required: 1% Duty Cycle is suggested. VI IAdj Vref IL VO 1.0 µF Vout RL + 1.0 µF CO 1N4002 D1 * Cin 1% R2 Adjust Vin LM337M R1 120 14.3V 4.3V f = 120 Hz CAdj + Vout = –1.25 V *D1 Discharges CAdj if Output is shorted to Ground. 1.0 µF 10 µF Vout VO LM33M VO (min Load) Vref |
Nº de peça semelhante - LM337M |
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Descrição semelhante - LM337M |
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