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LTC1504CS8 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1504CS8 Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LTC1504 ABSOLUTE MAXIMUM RATINGS (Note 1) Supply Voltage (VCC to GND)................................... 10V Peak Output Current (SW) ....................................... ±1A Input Voltage (All Other Pins) ......... – 0.3V to VCC + 0.3V Operating Temperature Range ..................... 0 °C to 70°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER 1 2 3 4 8 7 6 5 TOP VIEW COMP SS SHDN FB/SENSE* IMAX VCC SW GND S8 PACKAGE 8-LEAD PLASTIC SO *FB FOR LTC1504CS8, SENSE FOR LTC1504CS8-3.3 LTC1504CS8 LTC1504CS8-3.3 TJMAX = 115°C, θJA = 90°C/W S8 PART MARKING 1504 15043 Consult factory for Industrial and Military grade parts. ELECTRICAL CHARACTERISTICS V CC = 5V, TA = 25°C unless otherwise specified. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Minimum Supply Voltage (Note 7) q 4V VFB Feedback Voltage LTC1504CS8 q 1.25 1.265 1.28 V ∆VFB Feedback Voltage PSRR Figure 1, 4V ≤ VCC ≤ 10V, LTC1504CS8 q 1.1 1.6 % VSENSE Sense Pin Voltage LTC1504CS8-3.3 q 3.20 3.30 3.40 V ∆VSENSE Sense Voltage PSRR Figure 1, 4V ≤ VCC ≤ 10V, LTC1504CS8-3.3 q 1.2 1.8 % ICC Supply Current Figure 1, VSHDN = VCC, IOUT = 0 (Note 4) 3 mA Figure 1, VSHDN = VCC, IOUT = 0, VFB/VSENSE = VCC (Note 4) q 0.3 0.6 mA VSHDN = 0V q 1.0 20 µA fOSC Internal Oscillator Frequency q 150 200 250 kHz RSW Internal Switch Resistance q 1.3 2.0 Ω VIH SHDN Input High Voltage q 2.4 V VIL SHDN Input Low Voltage q 0.8 V IIN SHDN Input Current q ±0.1 ±1 µA VOH Error Amplifier Positive Swing Figure 2 q 4.5 4.95 V VOL Error Amplifier Negative Swing Figure 2 q 0.05 0.5 V IOH, IOL Error Amplifier Output Current Figure 2 q ±50 ±100 ±200 µA gmV Error Amplifier Transconductance (Note 5) q 350 600 1100 µmho AV Error Amplifier DC Gain (Note 5) q 40 48 dB gmI ILIM Amplifier Transconductance (Note 6) 1000 2000 3000 µmho IMAX IMAX Sink Current VIMAX = VCC q 812 16 µA ISS Soft Start Source Current VSS = 0V q –8 –12 – 16 µA tr, tf Output Switch Rise/Fall Time q 550 ns DCMAX Maximum Duty Cycle VCOMP = VCC q 84 90 % |
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