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ML1565 Scheda tecnica(PDF) 4 Page - Minilogic Device Corporation Limited |
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ML1565 Scheda tecnica(HTML) 4 Page - Minilogic Device Corporation Limited |
4 / 21 page P4/21 Rev. C, Sep 2005 ML1565 Step-Up DC-DC Converter Parameter Condition Min Typ. Max Unit Step-Up Startup-to-Normal Operating Threshold Rising or falling edge (Note 4) 2.30 2.5 2.60 V Step-Up Startup-to-Normal Operating Threshold Hysteresis 80 mV Step-Up Voltage Adjust Range 2.7 5.5 V FBSU Regulation Voltage 1.231 1.25 1.269 V OUTSU Regulation Voltage FBSELSU = GND 3.296 3.35 3.404 V FBSU to COMPSU Tranconductance FBSU = COMPSU 80 135 185 µS FBSU Input Leakage Current FBSU = 1.25V -100 +1 +100 nA Burst Mode Trip Level (Note 6) 150 200 265 mA Current-Sense Amplifier Transresistance 0.3 V/A Step-Up Maximum Duty Cycle FBSU = 1V 80 85 90 % OUTSU Leakage Current VLXSD = 0V, OUTSU = 5.5V 0.01 20 µA LXSU Leakage Current VLXSU = VOUT = 5.5V 0.01 20 µA N-channel 95 150 Switch On-Resistance P-channel 150 250 mΩ N-Channel Current limit 1.6 2 2.4 A P-Channel Turn-Off Current 20 mA Startup Current Limit OUTSU = 1.8V (Note 5) 800 mA Startup tOFF OUTSU = 1.8V 700 ns Startup Frequency OUTSU = 1.8V 200 kHz Auxiliary DC-DC Controllers (Aux 1, 2, and 3) Parameter Condition Min Typ. Max Unit Maximum Duty Cycle FB_ = 1V 80 85 90 % FB_ Regulation Voltage FB_ = COMP_ 1.231 1.25 1.269 V FB_ to COMP_ Transconductance FB_ = COMP_ 80 135 185 µS FB_ Input Leakage Current FB_ = 1.25V -100 +1 +100 nA AUX1 Output Regulation Voltage FBSEL1 = GND. FB1 connected to AUX1 output 4.93 5 5.07 V Output high 3 10 DL_ Driver Resistance Output low 2 5 Ω DL_ Drive Current Sourcing or sinking 0.5 A Soft-Start Interval 4096 OSC cycle Logic Inputs (ON_, FBSEL_) Parameter Condition Min Typ. Max Unit 1.1V < OUTSU < 1.8V (ONSU only) 0.2 Input Low Level 1.8V < OUTSU < 5.5V 0.4 V 1.1 < OUTSU < 1.8V (ONSU only) VOUTSU -0.2 Input High Level 1.8 < OUTSU < 5.5V 1.6 V FBSEL = 3.6V, OUTSU = 3.6V -100 0 +100 FBSEL_ Input Leakage Current FBSEL = GND, OUTSU = 3.6V -100 0 +100 nA ON_ Impedance to GND ON_ = 3.35V 330 kΩ |
Codice articolo simile - ML1565 |
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Descrizione simile - ML1565 |
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