Datenblatt-Suchmaschine für elektronische Bauteile |
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ML1538 Datenblatt(PDF) 10 Page - Minilogic Device Corporation Limited |
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ML1538 Datenblatt(HTML) 10 Page - Minilogic Device Corporation Limited |
10 / 17 page _______________________________________________________________ ML1538 4ch Motor Driver for Portable CD Player March, 2004 V1.0 Electrical Characteristics (unless otherwise specified, Ta=25 °C, BATT=2.4V, VSYS1=VSYS2=3.2V, Vref=1.6V, CHGVcc=0V, fCLK=88.2kHz) Item Symbol Measurement Conditions Min. Typ. Max. Unit < H-Bridge Driver Part > MUTE2 OFF Threshold Voltage VM2OFF IN2=1.8V 0.8 V MUTE34 ON Threshold Voltage VM34ON IN3=IN4=1.8V 0.8 V MUTE34 OFF Threshold Voltage VM34OFF IN3=IN4=1.8V 2.0 V Vref ON Threshold Voltage VrefON IN1=IN2=IN3=IN4=1.8V 1.2 V Vref OFF Threshold Voltage VrefOFF IN1=IN2=IN3=IN4=1.8V 0.8 V BRAKE1 Brake Current IBRAKE1 Current difference between BRAKE pin "H" time and "L" time. 4 7 10 mA < PWM Power Supply Driving > PSW Sink Current IPSW IN1=2.1V 10 13 17 mA HVcc Level Shift Voltage VSHIF IN1=1.8V, HVcc-OUT1F 0.35 0.45 0.55 V HVcc Leak Current IHLK HVcc=9.0V, VSYS1=VSYS2=BATT=0V 0 5 µA PWM Amp Transfer Gain GPWM IN1=1.8V, HVcc=1.2~1.4V 1/60 1/50 1/40 1/k Ω < DC-DC Converter > < Error Amp > VSYS1 Threshold Voltage VS1TH 3.05 3.20 3.35 V EO Pin Output Voltage "H" VEOH EI=0.7V, Io=-100 µA 1.4 1.6 V EO Pin Output Voltage "L" VEOL EI=1.3V, Io=100 µA 0.3 V < Short Circuit Protection > SPRT Pin Voltage VSPR EI=1.3V 0 0.1 V EO=H SPRT Pin Current1 ISPR1 EI=0.7V 6 10 16 µA OFF=L SPRT Pin Current2 ISPR2 EI=1.3V, OFF=0V 12 20 32 µA SPRT Pin Current3 Over-Voltage ISPR3 EI=1.3V, BATT=9.5V 12 20 32 µA SPRT Pin Impedance RSPR 175 220 265 k Ω SPRT Pin Threshold Voltage VSPTH EI=0.7V, CT=0V 1.10 1.20 1.30 V Over-Voltage Protection Detect VHVPR BSEN Pin Voltage 8.0 8.4 9.0 V < Transistor Driving > SW Pin Output Voltage1 "H" VSW1H BATT= CT =1.5V, VSYS1=VSYS2=0V, IO=-2mA Starting Time 0.78 0.98 1.13 V SW Pin Output Voltage 2 "H" VSW2H CT =0V, IO=-10mA, EI=0.7V, SPRT=0V 1.00 1.50 V SW Pin Output Voltage 2 "L" VSW2L CT =2.0V, IO=10mA 0.30 0.45 V SW Pin Oscillating Frequency1 fSW1 CT =470pF, VSYS1=VSYS2=0V Starting Time 65 80 95 kHz SW Pin Oscillating Frequency2 fSW2 CT =470pF, CLK=0mA 60 70 82 kHz SW Pin Oscillating Frequency3 fSW3 CT =470pF 88.2 kHz SW Pin Minimum Pulse Width TSWmin CT =470pF, EO=0.5V 0.7V Sweep 0.01 0.60 µs Pulse Duty Start DSW1 CT =470pF, VSYS1=VSYS2=0V 40 50 60 % Max.Pulse Duty At Self-Running DSW2 CT =470pF, EI=0.7V, CLK=0V 70 80 90 % Max.Pulse Duty At CLK Synchronization DSW3 CT =470pF, EI=0.7V 65 75 85 % 10/17 |
Ähnliche Teilenummer - ML1538 |
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Ähnliche Beschreibung - ML1538 |
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