mm1538 Mitsumi Electronics, Corp., mm1538 Datasheet - Page 10

• Manufacturer Part Number: mm1538
• Description: 4-ch Motor Driver For Portable Cd Players
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
Electrical Characteristics
MUTE34 OFF Threshold Voltage
<H-Bridge Driver Part>
<PWM Power Supply Driving>
<DC-DC Converter>
<Error Amp>
<Short Circuit Protection>
<Transistor Driving>
Max. Pulse Duty At CLK Synchronization
<Interface>
SPRT Pin Threshold Voltage
Over-Voltage Protection Detect
SW Pin Output Voltage1 "H"
SW Pin Output Voltage2 "H"
SW Pin Minimum Pulse Width
MUTE2 OFF Threshold Voltage
MUTE34 ON Threshold Voltage
SPRT Pin Current3 Over-Voltage
SW Pin Output Voltage2 "L"
Vref OFF Threshold Voltage
SW Pin Oscillating Frequency1
SW Pin Oscillating Frequency2
SW Pin Oscillating Frequency3
START Pin OFF Threshold Voltage
Max.Pulse Duty At Self-Running
Vref ON Threshold Voltage
EO Pin Output Voltage "H"
START Pin ON Threshold Voltage
EO Pin Output Voltage "L"
OFF=L SPRT Pin Current2
VSYS1 Threshold Voltage
EO=H SPRT Pin Current1
HVcc Level Shift Voltage
PWM Amp Transfer Gain
OFF Pin Threshold Voltage
BRAKE1 Brake Current
SPRT Pin Impedance
OFF Pin Bias Current
HVcc Leak Current
PSW Sink Current
SPRT Pin Voltage
Pulse Duty Start
Item
Symbol
V
V
V
V
V
I
V
T
V
V
V
V
G
V
V
V
V
BRAKE1
V
V
V
D
D
D
M34OFF
V
I
I
I
R
STATH1
STATH2
I
I
I
M2OFF
M34ON
f
f
f
refOFF
SWmin
SPR1
SPR2
SPR3
refON
HVPR
SW1H
SW2H
OFTH
PSW
HLK
S1TH
SPTH
SW2L
SW1
SW2
SW3
OFF
SHIF
PWM
EOH
EOL
SPR
SPR
SW1
SW2
SW3
(unless otherwise specified, Ta=25°C , BATT=2.4V, VSYS1=VSYS2=3.2V,Vref=1.6V,
CHGVcc=0V,fCLK=88.2kHz)
Current difference between BRAKE pin "H" time and "L" time.
C
C
T
C
HV
=470pF, VSYS1=VSYS2=0V Starting Time
T
BATT=C
=0V, Io=-10mA, EI=0.7V, SPRT=0V
T
C
=470pF, EO=0.5V 0.7V Sweep
C
CC
VSYS1=VSYS2=0V, C
VSYS1=VSYS2=0V, C
Measurement Conditions
IN1=1.8V, HV
T
T
IN1=1.8V, HV
=470pF, VSYS1=VSYS2=0V
=9.0V, VSYS1=VSYS2=BATT=0V
IN1=IN2=IN3=IN4=1.8V
IN1=IN2=IN3=IN4=1.8V
=470pF, EI=0.7V, CLK=0V
EI=1.3V, BATT=9.5V
Io=-2mA Starting Time
EI=0.7V, Io=-100µA
C
C
EI=1.3V, Io=100µA
BSEN Pin Voltage
C
EI=1.3V, OFF=0V
T
T
T
EI=0.7V, C
T
=1.5V, VSYS1=VSYS2=0V,
=470pF, CLK=0V
IN3=IN4=1.8V
IN3=IN4=1.8V
=470pF, EI=0.7V
=2.0V, Io=10mA
4-ch Motor Driver for Portable CD Players MM1538
C
IN2=1.8V
IN1=2.1V
OFF=0V
EI=1.3V
EI=0.7V
EI=1.3V
T
=470pF
CC
CC
=1.2 ~ 1.4V
T
-OUT1F
=0V
T
T
=2.0V
=2.0V
BATT-0.3
1/60 1/50 1/40 1/kΩ
Min. Typ. Max. Unit
0.35
3.05
1.10
0.78
1.00
0.01
175
2.0
1.2
1.4
8.0
10
12
12
65
60
40
70
65
75
4
6
0.45
3.20
1.20
0.98
1.50
0.30
88.2
220
1.6
8.4
13
10
20
20
80
70
50
80
75
95
7
0
0
VSYS1-2.0
BATT-1.0
0.55
3.35
1.30
1.13
0.45
0.60
265
115
0.8
0.8
0.8
0.3
0.1
9.0
10
17
16
32
32
95
82
60
90
85
5
kHz
kHz
kHz
mA
mA
kΩ
µA
µA
µA
µA
µA
µs
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
%
%
%
V
V
V