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SG1526B Datasheet(PDF) 3 Page - Microsemi Corporation |
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SG1526B Datasheet(HTML) 3 Page - Microsemi Corporation |
3 / 9 page Rev 1.1a Copyright © 1994 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 3 (714) 898-8121 ∞ ∞ ∞ ∞ ∞ FAX: (714) 893-2570 SG1526B/SG2526B/SG3526B R S ≤ 50Ω mV µA ns I SOURCE = 40 µA I SINK = 3.6mA V IH = 2.4V V IL = 0.4V (Note9) 2.4 2.4 4 0.2 -125 -225 0.4 -200 -360 200 4 0.2 -125 -225 0.4 -200 -360 200 V V µA µA ns Minimum Duty Cycle Maximum Duty Cycle V COMPENSATION = 0.4V V COMPENSATION = 3.6V 45 49 0 45 49 0% % I SOURCE = 20mA I SOURCE = 100mA I SINK = 20mA I SINK = 100mA V C = 40V C L = 1000pF C L = 1000pF HIGH Output Voltage LOW Output Voltage Collector Leakage Rise Time Fall Time R S ≤ 2KΩ R L ≥ 10MΩ V PIN1 - VPIN2 ≥ 150mV, ISOURCE = 100µA V PIN2 - VPIN1 ≥ 150mV, ISINK = 100µA R S ≤ 2KΩ V IN = 8V to 35V Error Amplifier Section (Note 5) Input Offset Voltage Input Bias Current Input Offset Current DC Open Loop Gain High Output Voltage Low Output Voltage Common Mode Rejection Supply Voltage Rejection Oscillator Section (Note 4) T J = 25°C V IN = 8 to 35V Over Operating T J R T = 150KΩ, CT = 20µF R T = 2KΩ, CT = 470pF V IN = 35V V IN = 8V R L = 2.0KΩ to VREF Initial Accuracy Voltage Stability Temperature Stability (Note 9) Minimum Frequency (Note 9) Maximum Frequency Sawtooth Peak Voltage Sawtooth Valley Voltage SYNC Pulse Width SG3526B Test Conditions Parameter Units RESET = 0.4V RESET = 2.4V Error Clamp Voltage C S Charging Current ELECTRICAL CHARACTERISTICS (continued) Soft-Start Section Note 3. I L = 0mA Note 4. F OSC = 40KHz (R T = 4.12K Ω ±1%, C T = .01 µF ±1%, R D = 0 Ω) Note 5. V CM = 0 to 5.2V Note 6. V CM = 0 to 12V Note 7. V C = 15V Note 8. V IN = 35V Note 9. These parameters, although guaranteed over the recom- mended operating conditions, are not tested in production. Standby Current 0.3 2 150 0.4 0.15 5 -1000 100 0.4 ±8 1.0 10 1.0 3.5 1.1 2 SG1526B/2526B 0.4. 150 Min. Typ. Max. Min. Typ. Max. 500 2.5 0.5 ±3 0.5 7 3.0 1.0 1.0 500 2.5 0.5 ±3 0.5 3 3.0 1.0 1.0 ±8 1.0 5 1.0 3.5 1.1 2 % % % Hz KHz V V µs 64 3.6 70 66 2 -350 35 72 4.2 0.2 94 80 60 3.6 70 66 2 -350 35 72 4.2 0.2 94 80 10 -2000 200 0.4 mV nA nA dB V V dB dB PWM Comparator Section (Note 4) Digital Ports (SYNC, SHUTDOWN, and RESET) HIGH Output Voltage LOW Output Voltage HIGH Input Current LOW Input Current SHUTDOWN Delay to Output Current Limit Comparator Section (Note 6) Sense Voltage Input Bias Current Delay to Output (Note 9) 120 -10 400 100 -3 80 110 -10 400 100 -3 90 Output Drivers (each output) (Note 7) 50 0.1 100 50 0.1 100 0.4. 150 V µA V V V V µA µs µs 0.3 2 150 0.4 0.15 13.5 13 0.2 1.2 50 0.3 0.1 12.5 12 13.5 13 0.2 1.2 50 0.3 0.1 12.5 12 Power Consumption Section (Note 8) SHUTDOWN = 0.4V 18 30 18 30 mA |
Similar Part No. - SG1526B |
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Similar Description - SG1526B |
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