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LM2751SD-A Datasheet(PDF) 9 Page - Texas Instruments |
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LM2751SD-A Datasheet(HTML) 9 Page - Texas Instruments |
9 / 19 page 3.1 3.5 3.9 4.3 4.7 5.1 5.5 INPUT VOLTAGE (V) 0 4 9 13 18 22 2.7 CIN = 1.0 F COUT: 10 F Capacitance, 300 kHz COUT: 10 F Capacitance, 725 kHz COUT: 2.2 F Capacitance, 300 kHz COUT: 2.2 F Capacitance, 725 kHz LM2751 www.ti.com SNVS299B – APRIL 2005 – REVISED MAY 2013 TYPICAL PERFORMANCE CHARACTERISTICS (continued) Unless otherwise specified: TA = 25°C, VIN = 3.6V, CS0 = CS1 = VIN, V(EN) = VIN, CIN = COUT = 2.2µF, C1 = C2 = 1µF. Output Voltage Ripple vs. Input Voltage Version B (4.5V), Load = 120mA Output Voltage Ripple, Version B (4.5V) VIN = 3.6V, Load = 150mA CH1: VOUT; Scale: 10mV/Div, AC Coupled Time scale: 400ns/Div Figure 14. Figure 15. Line Step Response, Version B (4.5V) Load Step Response, Version B (4.5V) VIN = 3.2V - 4.2V Step, Load = 150mA VIN = 3.6V, Load = 20mA - 150mA Step CH1 (top): VIN; Scale: 1V/Div, DC Coupled CH1 (top): VOUT; Scale: 50mV/Div, AC Coupled CH2: VOUT; Scale: 50mV/Div, AC Coupled CH2: Output Current; Scale: 50mA/Div Time scale: 200µs/Div Time scale: 200µs/Div Figure 16. Figure 17. Start-up Behavior, Version A (5V), Load = 80mA Start-up Behavior, Version B (4.5V), Load = 150mA CH1: EN pin; Scale: 2V/Div CH1: EN pin; Scale: 2V/Div CH2: VOUT; Scale: 2V/Div CH2: VOUT; Scale: 2V/Div Time scale: 100µs/Div Time scale: 100µs/Div Figure 18. Figure 19. Copyright © 2005–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM2751 |
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