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LM2575-5.0BT 数据表(PDF) 4 Page - Micrel Semiconductor |
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LM2575-5.0BT 数据表(HTML) 4 Page - Micrel Semiconductor |
4 / 12 page Micrel, Inc. LM2575 May 2009 4 M9999-051209-B Absolute Maximum Ratings (1) Maximum Supply Voltage (VIN) ......................................45V ON/OFF Pin Input Voltage. ......................–0.3V ≤ V ≤ +40V Output Voltage to Ground (Steady State) ......................–1V Power Dissipation .....................................Internally Limited Maximum Junction Temperature................................ 150°C Lead Temperature (soldering, 10 sec.)...................... 260°C Storage Temperature (Ts) .........................–65°C to +150°C Minimum ESD Rating C = 100pF, R = 1.5kΩ.............................................. 2kV FB Pin ...................................................................... 1kV Operating Ratings Supply Voltage (VIN).......................................................40V Junction Temperature Range (TJ).......–40°C ≤ TJ ≤ +125°C Electrical Characteristics Specifications with standard typeface are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range. Unless otherwise specified, VIN = 12V, and ILOAD = 200mA. Symbol Parameter Condition Typ LM2575 Limit (Note 2) Units (Limits) SYSTEM PARAMETERS, ADJUSTABLE REGULATORS (Note 3) Test Circuit Figure 1 Feedback Voltage VIN = 12V , ILOAD = 0.2A VOUT = 5V 1.230 1.217 1.243 V V(min) V(max) VOUT Feedback Voltage LM2575 0.2A ≤ ILOAD ≤ 1A, 8V ≤ VIN ≤ 40V VOUT = 5V 1.230 1.193/1.180 1.267/1.280 V V(min) V(max) η Efficiency VIN = 12V, ILOAD = 1A, VOUT = 5V 82 % SYSTEM PARAMETERS, 3.3V REGULATORS (Note 3) Test Circuit Figure 1 Output Voltage VIN = 12V , ILOAD = 0.2A VOUT = 3.3V 3.3 3.234 3.366 V V(min) V(max) VOUT Output Voltage LM2575-3.3 0.2A ≤ ILOAD ≤ 1A, 8V ≤ VIN ≤ 40V VOUT = 3.3V 3.3 3.168/3.135 3.432/3.465 V V(min) V(max) η Efficiency VIN = 12V, ILOAD = 1A 75 % SYSTEM PARAMETERS, 5V REGULATORS (Note 3) Test Circuit Figure 1 Output Voltage VIN = 12V , ILOAD = 0.2A VOUT = 5V 5.0 4.900 5.100 V V(min) V(max) VOUT Output Voltage LM2575-5.0 0.2A ≤ ILOAD ≤ 1A, 8V ≤ VIN ≤ 40V VOUT = 5V 5.0 4.800/4.750 5.200/5.250 V V(min) V(max) η Efficiency VIN = 12V, ILOAD = 1A 82 % SYSTEM PARAMETERS, 12V REGULATORS (Note 3) Test Circuit Figure 1 Output Voltage VIN = 25V , ILOAD = 0.2A VOUT = 12V 12 11.760 12.240 V V(min) V(max) VOUT Output Voltage LM2575-12 0.2A ≤ ILOAD ≤ 1A, 15V ≤ VIN ≤ 40V VOUT = 12V 12 11.520/11.400 12.480/12.600 V V(min) V(max) η Efficiency VIN = 25V, ILOAD = 1A 88 % |
类似零件编号 - LM2575-5.0BT |
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类似说明 - LM2575-5.0BT |
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