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ML1538 Arkusz danych(PDF) 10 Page - Minilogic Device Corporation Limited

Numer części ML1538
Szczegółowy opis  4-ch Motor Driver for Portable CD players
Download  17 Pages
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Producent  MINILOGIC [Minilogic Device Corporation Limited]
Strona internetowa  http://www.minilogic.com.hk
Logo MINILOGIC - Minilogic Device Corporation Limited

ML1538 Arkusz danych(HTML) 10 Page - Minilogic Device Corporation Limited

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_______________________________________________________________
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
< 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
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


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