MM1538 查看數據表（PDF） - Mitsumi
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MM1538 Datasheet PDF : 24 Pages
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MITSUMI
4ch Moter driver IC for Portable CD Player
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
<H-Bridge Driver Part>
MUTE2 OFF Threshold Voltage VM2OFF
MUTE34 ON Threshold Voltage VM34ON
MUTE34 OFF Threshold Voltage VM34OFF
Vref ON Threshold Voltage VrefON
Vref OFF Threshold Voltage VrefOFF
BRAKE1 Brake Current
IBRAKE1
<PWM Power Supply Driving>
PSW Sink Current
IPSW
HVcc Level Shift Voltage
VSHIF
HVcc Leak Current
IHLK
PWM Amp Transfer Gain
GPWM
<DC-DC Converter>
<Error Amp>
VSYS1 Threshold Voltage
VS1TH
EO Pin Output Voltage "H" VEOH
EO Pin Output Voltage "L" VEOL
<Short Circuit Protection>
SPRT Pin Voltage
VSPR
EO=H SPRT Pin Current1
ISPR1
OFF=L SPRT Pin Current2
ISPR2
SPRT Pin Current3 Over-Voltage ISPR3
SPRT Pin Impedance
RSPR
SPRT Pin Threshold Voltage VSPTH
Over-Voltage Protection Detect VHVPR
<Transistor Driving>
SW Pin Output Voltage1 "H" VSW1H
SW Pin Output Voltage2 "H"
SW Pin Output Voltage2 "L"
SW Pin Oscillating Frequency1
SW Pin Oscillating Frequency2
SW Pin Oscillating Frequency3
SW Pin Minimum Pulse Width
Pulse Duty Start
Max.Pulse Duty At Self-Running
Max. Pulse Duty At CLK Synchronization
<Interface>
OFF Pin Threshold Voltage
OFF Pin Bias Current
START Pin ON Threshold Voltage
START Pin OFF Threshold Voltage
VSW2H
VSW2L
fSW1
fSW2
fSW3
TSWmin
DSW1
DSW2
DSW3
VOFTH
IOFF
VSTATH1
VSTATH2
Measurement Conditions
Min. Typ. Max. Unit
IN2=1.8V
0.8 V
IN3=IN4=1.8V
0.8 V
IN3=IN4=1.8V
2.0
V
IN1=IN2=IN3=IN4=1.8V
1.2
V
IN1=IN2=IN3=IN4=1.8V
0.8 V
Current difference between BRAKE pin "H" time and "L" time. 4 7 10 mA
IN1=2.1V
IN1=1.8V, HVCC- OUT1F
HVCC=9.0V, VSYS1=VSYS2=BATT=0V
IN1=1.8V, HVCC=1.2 ~ 1.4V
10 13 17 mA
0.35 0.45 0.55 V
0 5 µA
1/60 1/50 1/40 1/kΩ
EI=0.7V, Io=-100µA
EI=1.3V, Io=100µA
3.05 3.20 3.35 V
1.4 1.6
V
0.3 V
EI=1.3V
EI=0.7V
EI=1.3V, OFF=0V
EI=1.3V, BATT=9.5V
EI=0.7V, CT=0V
BSEN Pin Voltage
0 0.1 V
6 10 16 µA
12 20 32 µA
12 20 32 µA
175 220 265 kΩ
1.10 1.20 1.30 V
8.0 8.4 9.0 V
BATT=CT=1.5V, VSYS1=VSYS2=0V,
Io=-2mA Starting Time
CT=0V, Io=-10mA, EI=0.7V, SPRT=0V
CT=2.0V, Io=10mA
CT=470pF, VSYS1=VSYS2=0V Starting Time
CT=470pF, CLK=0V
CT=470pF
CT=470pF, EO=0.5V 0.7V Sweep
CT=470pF, VSYS1=VSYS2=0V
CT=470pF, EI=0.7V, CLK=0V
CT=470pF, EI=0.7V
0.78 0.98 1.13 V
1.00 1.50
V
0.30 0.45 V
65 80 95 kHz
60 70 82 kHz
88.2
kHz
0.01
0.60 µs
40 50 60 %
70 80 90 %
65 75 85 %
EI=1.3V
OFF=0V
VSYS1=VSYS2=0V, CT=2.0V
VSYS1=VSYS2=0V, CT=2.0V
VSYS1-2.0 V
75 95 115 µA
BATT-1.0 V
BATT-0.3
V
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