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LM2575HVS-15 Fiches technique(PDF) 7 Page - National Semiconductor (TI) |
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LM2575HVS-15 Fiches technique(HTML) 7 Page - National Semiconductor (TI) |
7 / 27 page LM1575-ADJ, LM2575-ADJ, LM2575HV-ADJ Electrical Characteristics Specifications with standard type face are for T J= 25˚C, and those with boldface type apply over full Operating Temperature Range. Symbol Parameter Conditions Typ LM1575-ADJ LM2575-ADJ Units (Limits) LM2575HV-ADJ Limit Limit (Note 2) (Note 3) SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2 V OUT Feedback Voltage V IN = 12V, ILOAD = 0.2A 1.230 V V OUT = 5V 1.217 1.217 V(Min) Circuit of Figure 2 1.243 1.243 V(Max) V OUT Feedback Voltage 0.2A ≤ I LOAD ≤ 1A, 1.230 V LM1575/LM2575 8V ≤ V IN ≤ 40V 1.205/1.193 1.193/1.180 V(Min) V OUT = 5V, Circuit of Figure 2 1.255/1.267 1.267/1.280 V(Max) V OUT Feedback Voltage 0.2A ≤ I LOAD ≤ 1A, 1.230 V LM2575HV 8V ≤ V IN ≤ 60V 1.205/1.193 1.193/1.180 V(Min) V OUT = 5V, Circuit of Figure 2 1.261/1.273 1.273/1.286 V(Max) η Efficiency V IN = 12V, ILOAD = 1A, VOUT =5V 77 % All Output Voltage Versions Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range. Unless otherwise specified, V IN = 12V for the 3.3V, 5V, and Adjustable version, VIN = 25V for the 12V version, and V IN = 30V for the 15V version. ILOAD = 200 mA. Symbol Parameter Conditions Typ LM1575-XX LM2575-XX Units (Limits) LM2575HV-XX Limit Limit (Note 2) (Note 3) DEVICE PARAMETERS I b Feedback Bias Current V OUT = 5V (Adjustable Version Only) 50 100/500 100/500 nA f O Oscillator Frequency (Note 13) 52 kHz 47/43 47/42 kHz(Min) 58/62 58/63 kHz(Max) V SAT Saturation Voltage I OUT = 1A (Note 5) 0.9 V 1.2/1.4 1.2/1.4 V(Max) DC Max Duty Cycle (ON) (Note 6) 98 % 93 93 %(Min) I CL Current Limit Peak Current (Notes 5, 13) 2.2 A 1.7/1.3 1.7/1.3 A(Min) 3.0/3.2 3.0/3.2 A(Max) I L Output Leakage (Notes 7, 8) Output = 0V 2 2 mA(Max) Current Output = −1V 7.5 mA Output = −1V 30 30 mA(Max) I Q Quiescent Current (Note 7) 5 mA 10/12 10 mA(Max) I STBY Standby Quiescent ON /OFF Pin = 5V (OFF) 50 µA Current 200/500 200 µA(Max) www.national.com 7 |
Numéro de pièce similaire - LM2575HVS-15 |
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Description similaire - LM2575HVS-15 |
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