поискавой системы для электроныых деталей |
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ISL1902 датащи(PDF) 9 Page - Intersil Corporation |
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ISL1902 датащи(HTML) 9 Page - Intersil Corporation |
9 / 25 page ISL1902 9 FN7981.2 March 20, 2013 PULSE WIDTH MODULATOR PWM Restart Delay Range 8V < VDD< 26V 0.2 2.0 µs PWM Restart Cycle Delay RDELADJ = 20.0k Ω, 8V < VDD< 26V 240 280 320 ns RDELADJ = 210k Ω, 8V < VDD< 26V 2.00 2.20 2.40 µs Maximum Frequency Clamp RRAMP = 100Ω, RAMP = 2V, 8V < VDD< 26V 0.7 1.0 1.2 MHz Minimum Frequency Clamp RRAMP = 23kΩ, 8V < VDD< 26V 20 25 31 kHz Minimum Duty Cycle 8V < VDD< 26V, COMP = 0V 0 % Minimum Non-Zero Output Duration 8V < VDD< 26V 70 100 130 ns Zero Current (CrCm) Detector Threshold, Falling 8V < VDD< 26V 728 mV VERR to PWM Gain 8V < VDD< 26V 0.200 V/V SS to PWM Gain 8V < VDD< 26V 0.222 V/V ERROR AMPLIFIERS (EA1 AND EA2) Input Common Mode (CM) Range (Note 8) 03.4 V GBWP (Note 8) 1.9 MHz VERR VOL EA1 IVERR = 6mA, 8V < VDD< 26V 0.950 V VERR VOL EA2 IVERR = 4mA, 8V < VDD< 26V 0.950 V VERR VOH IVERR = 1mA (Ext. pull-up) SS complete 3.90 4.00 4.20 V Open Loop Gain (Note 8) 70 dB Offset Voltage (VOS) 8V < VDD< 26V -7.5 7.5 mV Input Bias Current, FB1 REFIN = 0.5V, FB1 = 2.0V, FB2 = 0V, 8V < VDD< 26V -1.0 1.0 µA Input Bias Current, FB2 REFIN = 0.5V, FB2 = 2.0V, FB1 = 0V, 8V < VDD< 26V -1.0 1.0 µA DIFFERENTIAL CURRENT SENSE (CS+, CS-) IOUT Amplifier Gain CS- = 0V, CS+ = 0.1V, 0.3V, 8V < VDD< 26V 2.910 2.970 3.030 V/V Common Mode (CM) Input Range 8V < VDD< 26V -0.30 0.50 V Differential Input Range 8V < VDD< 26V 01.5 V Offset Voltage (VOS) 8V < VDD< 26V -36 48 mV GBWP (Note 8) 8 MHz Slew Rate (Note 8) 45 V/µs Input Bias Current CS- = 0V, 1.0V CS+ = 1.0V, 1.5V 8V < VDD< 26V -1.0 1.0 µA IOUT High Level Output Voltage (VOH) VIOUT at 0µA - VIOUT at -100µA, 8V < VDD < 26V 0.1 V IOUT Low Level Output Voltage (VOL) VIOUT at 100µA, 8V < VDD< 26V 0.1 V AC DETECTOR Input Bias Current 8V < VDD< 26 -50 50 nA Detection Threshold, Falling ACPEAK = 100mV, 8V < VDD< 26V 4.5 20 40.5 mV Detection Threshold Hysteresis 8V < VDD< 26V 6 mV Input Operating Range 8V < VDD< 26V 04.00 V Electrical Specifications Recommended operating conditions unless otherwise noted. Refer to the Block Diagram on page 4 and Typical Application schematics starting on page 5. VDD = 17V, RRAMP = 54kΩ, CRAMP = 470pF, TA = -40°C to +125°C, Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +125°C. (Continued) PARAMETER TEST CONDITIONS MIN (Note 7) TYP MAX (Note 7) UNITS |
Аналогичный номер детали - ISL1902 |
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Аналогичное описание - ISL1902 |
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