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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MMPF0100 датащи(PDF) 50 Page - Freescale Semiconductor, Inc |
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MMPF0100 датащи(HTML) 50 Page - Freescale Semiconductor, Inc |
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50 / 136 page  Analog Integrated Circuit Device Data 50 Freescale Semiconductor PF0100 Functional Block Requirements and Behaviors Power Generation SW1A/B (SINGLE/DUAL PHASE) (CONTINUED) Turn-on Time Enable to 90% of end value ISW1AB = 0.0 mA DVS clk = 25 mV/4 μs, VIN = VINSW1x = 4.5 V, VSW1AB = 1.875 V tONSW1AB – – 500 µs Switching Frequency SW1ABFREQ[1:0] = 00 SW1ABFREQ[1:0] = 01 SW1ABFREQ[1:0] = 10 fSW1AB – – – 1.0 2.0 4.0 – – – MHz Efficiency (Single Phase) •VIN = 3.6 V, fSW1AB = 2.0 MHz, LSW1AB = 1.0 μH PFM, 0.9 V, 1.0 mA PFM, 1.2 V, 50 mA APS, PWM, 1.2 V, 500 mA APS, PWM, 1.2 V, 750 mA APS, PWM, 1.2 V, 1250 mA APS, PWM, 1.2 V, 2500 mA ηSW1AB – – – – – – 82 84 86 87 82 71 – – – – – – % Output Ripple ΔVSW1AB –10– mV Line Regulation (APS, PWM) VSW1ABLIR –– 20 mV DC Load Regulation (APS, PWM) VSW1ABLOR –– 20 mV Transient Load Regulation • Transient load = 0 to 1.25 A, di/dt = 100 mA/ μs Overshoot Undershoot VSW1ABLOTR – – – – 50 50 mV Quiescent Current PFM Mode APS Mode ISW1ABQ – – 18 235 – – µA SW1A P-MOSFET RDSON VINSW1A = 3.3 V RONSW1AP – 215 245 m Ω SW1A N-MOSFET RDSON VINSW1A = 3.3 V RONSW1AN – 258 326 m Ω SW1A P-MOSFET Leakage Current VINSW1A = 4.5 V ISW1APQ –– 7.5 µA SW1A N-MOSFET Leakage Current VINSW1A = 4.5 V ISW1ANQ –– 2.5 µA SW1B P-MOSFET RDSON VINSW1B = 3.3 V RONSW1BP – 215 245 m Ω SW1B N-MOSFET RDSON VINSW1B = 3.3 V RONSW1BN – 258 326 m Ω SW1B P-MOSFET Leakage Current VINSW1B = 4.5 V ISW1BPQ –– 7.5 µA SW1B N-MOSFET Leakage Current VINSW1B = 4.5 V ISW1BNQ –– 2.5 µA Discharge Resistance RSW1ABDIS – 600 – Ω Table 53. SW1A/B/C Electrical Characteristics All parameters are specified at TA = -40 to 85 °C, VIN = VINSW1x = 3.6 V, VSW1x = 1.2 V, ISW1x = 100 mA, SW1x_PWRSTG[2:0] = [111], typical external component values, fSW1x = 2.0 MHz, unless otherwise noted. Typical values are characterized at VIN = VINSW1x = 3.6 V, VSW1x = 1.2 V, ISW1x = 100 mA, SW1x_PWRSTG[2:0] = [111], and 25 °C, unless otherwise noted. Parameter Symbol Min Typ Max Unit |
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