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ZL2103ALAF Datasheet(PDF) 7 Page - Renesas Technology Corp |
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ZL2103ALAF Datasheet(HTML) 7 Page - Renesas Technology Corp |
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7 / 28 page  ZL2103 FN6966 Rev 5.00 Page 7 of 28 May 3, 2011 Soft-start Delay Duration Accuracy Turn-on delay (precise mode) (Notes 13, 14) - ±0.25 - ms Turn-on delay (normal mode) (Note 15) - -0.25/+4 - ms Turn-off delay (Note 15) - -0.25/+4 - ms Soft-start Ramp Duration Range Set using SS pin or resistor 2 - 20 ms Set using I2C/SMBus 0 - 200 ms Soft-start Ramp Duration Accuracy - 100 – µs Logic Input/output Characteristics Logic Input Leakage Current Digital pins -250 - 250 nA Logic input low, VIL - - 0.8 V Logic input OPEN (N/C) Multi-mode logic pins - 1.4 - V Logic Input High, VIH 2.0 - - V Logic Output Low, VOL IOL 4mA - - 0.4 V Logic Output High, VOH IOH -2mA 2.25 - - V Oscillator and Switching Characteristics Switch Node Current, ISW Peak (source or sink) (Note 16) - - 4.5 A Switching Frequency Range 200 - 1000 kHz Switching Frequency Set-point Accuracy Predefined settings (Table 9) -5 - 5 % PWM Duty Cycle (max) Factory default (Note 17) - - 95 (Note 18) % SYNC Pulse Width (min) 150 - - ns Input Clock Frequency Drift Tolerance External clock source -13 - 13 % rDS(ON) of High Side N-channel FETs ISW = 3A, VGS = 6.5V - 60 85 m rDS(ON) of Low Side N-channel FETs ISW = 3A, VGS = 12V - 43 65 m Tracking VTRK Input Bias Current VTRK = 5.5V - 110 200 µA VTRK Tracking Ramp Accuracy 100% Tracking, VOUT - VTRK -100 - 100 mV VTRK Regulation Accuracy 100% Tracking, VOUT - VTRK -1 - 1 % Fault Protection Characteristics UVLO Threshold Range Configurable via I2C/SMBus 2.85 - 16 V UVLO Set-point Accuracy -150 - 150 mV UVLO Hysteresis Factory default - 3 - % Configurable via I2C/SMBus 0 - 100 % UVLO Delay - - 2.5 µs Power-good VOUT Threshold Factory default - 90 - % VOUT Power-good VOUT Hysteresis Factory default - 5 - % Power-good Delay Using pin-strap or resistor 2 - 20 ms Configurable via I2C/SMBus ) 0 - 500 s Electrical Specifications V DDP = VDDS = 12V, TA = -40°C to +85°C unless otherwise noted. (Note 10) Typical values are at TA = +25°C. Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) PARAMETER CONDITIONS MIN (Note 20) TYP MAX (Note 20) UNIT |
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