SC1548CSK-X.XTR SEMTECH [Semtech Corporation], SC1548CSK-X.XTR Datasheet
SC1548CSK-X.XTR
Related parts for SC1548CSK-X.XTR
SC1548CSK-X.XTR Summary of contents
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... Applications Motherboards Graphics cards Microcontrollers Simple power supplies Q1 IRL530N 100uF 22uF Q1 IRL530N 100uF 22uF 1 SC1548 Linear FET Controller 3.3V IN 12V SNS EN ENABLE 2 GND 3 4 DRV IN SC1548CSK-1.8 C4 0.1uF 3.3V IN 12V ADJ EN ENABLE 2 GND 3 4 DRV IN SC1548CSK C4 0.1uF www.semtech.com ...
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POWER MANAGEMENT Absolute Maximum Ratings Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions ...
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POWER MANAGEMENT Electrical Characteristics (Cont.) Unless specified 25° 12V PWR ...
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POWER MANAGEMENT Timing Diagram 2004 Semtech Corp. 4 SC1548 www.semtech.com ...
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POWER MANAGEMENT Pin Configuration Top View SOT-23-5L Block Diagram Pin Descriptions ...
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POWER MANAGEMENT Typical Characteristics (1) Quiescent Current vs. Junction Temperature 1000 V = 12V 3. 900 800 700 600 500 400 300 200 100 (°C) J Enable Threshold Voltage vs. Junction ...
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... T (°C) J Drive Output Voltage vs. Junction Temperature 12. 12V SNS 11. 0mA DRV 11.00 10.50 10.00 9.50 9. (°C) J OCP Trip Threshold (SC1548CSK-1.8) vs. Junction Temperature 1 12V 3. 0.8 0.6 0.4 0 (°C) J 2004 Semtech Corp. (1) 125 V IN 120 115 SNS 110 105 ...
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... Two representative parts shown (°C) J SC1548CSK-1.8 Small Signal Gain and Phase Shift vs. Frequency I = 1.8A OUT Gain Phase 1.00E+03 1.00E+04 1.00E+05 Gain (dB) SC1548CSK Small Signal Gain and Phase Shift vs. Frequency V OUT I = 1.8A OUT Gain Phase 1.00E+03 1.00E+04 1.00E+05 f (Hz) www.semtech.com 100 125 0 -45 ...
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POWER MANAGEMENT Typical Characteristics (Cont.) Load Transient Response Trace coupled, 50mV/div. OUT Trace 2V/div. DRV Trace M3: load stepping from Timebase: 10µs/div Load Transient Response, Expanded Trace 1: ...
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POWER MANAGEMENT Typical Characteristics (Cont.) Drive Output Fall Time, t Trace 1V/div. DRV Trace 2V/div. EN Timebase: 100ns/div t 350ns f Drive Output Rise Time, t Trace 1V/div. DRV Trace 2: ...
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POWER MANAGEMENT Typical Characteristics (Cont.) Output Short Circuit Glitch Immunity Trace 5V/div. DRV Trace 1V/div. OUT Timebase: 1ms/div SC1548 enabled, then shorted, therefore V < V immediately the short is applied. This OUT TH(OC) ...
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... OUT 12 SC1548 100 A Volts OUT ( FIXED ) R 2 VPWR 12V ENABLE SNS EN 2 GND 3 4 DRV IN SC1548CSK-X.X C4 0.1uF 12V IN VPWR ENABLE ADJ EN 2 GND 3 4 DRV IN SC1548CSK C4 0.1uF www.semtech.com ...
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POWER MANAGEMENT Applications Infomation (Cont.) Please see Table 1 below for recommended resistor values for some standard output voltages. All resistors are 1%, 1/10W ...
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POWER MANAGEMENT Outline Drawing - SOT-23 E/2 ccc C 2X N/2 TIPS aaa C SEATING PLANE C NOTES: 1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. DATUMS -A- AND -B- 3. DIMENSIONS "E1" AND "D" DO ...