ka3038 Fairchild Semiconductor, ka3038 Datasheet - Page 7

• Manufacturer Part Number: ka3038
• Description: 4-channel Motor Drive Ic
• Manufacturer: Fairchild Semiconductor

Electrical Characteristics
*Granteed Design Value
Parameter
PWM POWER SUPPLY DRIVING
PWM Sink Current
*DVCC Level Shift Voltage
DVCC Leak Current
*PWM Amp Transfer Gain
DC/DC CONVERTER
ERROR AMP
SVCC1 Pin Threshold Voltage
ERRO Pin Output Voltage H
ERRO Pin Output Voltage L
SHORT CIRCUIT PROTECTION
SCP Pin Voltage
SCP Pin Current 1
SCP Pin Current 2
SCP Pin Current 3
*SCP Pin Impedance
SCP Pin Threshold Voltage
Over Voltage Protection Detect
TRANSISTOR DRIVING
BDSW Pin Output Voltage 1H
BDSW Pin Output Voltage 2H
BDSW Pin Output Voltage 2L
BDSW Pin Oscillating Reequency1
SW Pin Oscillating Reequency 2
BDSW Pin Oscillating Reequency 3
*BDSW Pin Minimum Pulse Width
Pulse Duty Start
MAX. Pulse Duty at Self-Running
MAX. Pulse Duty at CLKIN
Synchronization
Symbol
V
T
V
V
V
(Continued)
G
V
V
D
D
D
V
I
I
I
R
V
I
V
V
SWMIN
SCPTH
f
f
f
SCP1
SCP2
SCP3
I
SW1H
SW2H
PWM
SW2L
SW1
SW2
SW3
DLK
S1TH
SHIF
PWM
EOH
OVP
SW1
SW2
SW3
EOL
SCP
SCP
DI1=2.1V
DI1=1.8V, DVCC-OUT1F
DVCC=9V, SVCC1,2=BATT=0V
DI1=1.8V, DVCC=1.2V ~ 1.4V
ERRI=0.7V, IO = -100 A
ERRI=1.3V, IO = 100 A
ERRI=1.3V
ERRI=0.7V
ERRI=1.3V, OFF=0V
ERRI=1.3V, BATT=9.5V
-
ERRI=0.7V, COSC=470PF
OVP Voltage
BATT=COSC=1.5V
=SVCC2=0V, 10mA
COSC=0V, I
ERRI=0.7V
SCP=0V
CT=2V, IO=1-mA
COSC=470pF, =SVCC2=0V
COSC=470pF, CLKIN=0V
COSC=470pF
COSC=470pF,
ERRO=0.5
COSC=470PF,
SVSS1,SVCC2=0V
COSC=470pF, ERR0=0.8V,
CLKIN=0V
ERR0=0.8V, COSC=470pF
Conditions
O
0.7V
= -10mA,
-
Min.
0.35
1/60
3.05
1.10
0.78
0.01
175
9.5
1.4
1.0
10
12
12
65
60
40
50
45
6
-
-
-
-
-
Typ.
3.20
1.20
0.98
88.2
0.45
1/50
220
1.6
1.5
0.3
10
20
20
10
80
70
50
60
55
13
0
0
-
-
FAN8038B(KA3038)
Max.
0.55
1/40
3.35
1.30
10.5
1.13
0.45
265
0.3
0.1
0.6
17
16
32
32
95
82
60
70
65
5
-
-
-
1/k
Unit
kHz
kHz
kHz
mA
k
%
%
%
V
V
V
V
V
V
V
V
V
V
A
A
A
A
s
7