Toshiba TC78B002FNG, Руководство пользователя

Страница: 7 / 26

TC78B002FNG
2013-10-17 6
Electrical Characteristics
(Ta = 25°C and VM = 12 V, unless otherwise specified.)
Characteristics Symbol Test conditions Min Typ. Max Unit
Power supply current I
VM
VM
=
12 V, V
REG
=
OPEN
Hall input=100Hz, output OPEN

3 5 mA
Hall signal
input
Common mode input voltage
range
V
CMRH
0

V
REG
-1.5
V
Input voltage swing V
H
40
 
mV
Input current I
H
|V
HP
-V
HM
|
≧
100mV
 
1
μ
A
Hysteresis
＋
Voltage V
HHYS+
(Design target value) (Note 1) 5 10 15 mV
Hysteresis
－
Voltage V
HHYS-
(Design target value) (Note 1) -15 -10 -5 mV
VREG pin voltage V
REG
VREG pin output source current=10mA 4.5 5.0 5.5 V
Maximum voltage of ADC convertor V
ADC
(Design target value) (Note 1)

V
REG
-0.75

V
Output On Duty (Note 1)
Duty(20)
R
OSC
=24k
Ω
, output load:
1kΩ
V
SP
=1.2V, VMI=0V or
VMI=1.2V, V
SP
=0V
15 20 25 %
Duty(50)
R
OSC
=24k
Ω
, output load:
1kΩ
V
SP
=2.2V, VMI=0V or
VMI=2.2V, V
SP
=0V
43 50 57 %
Duty(80)
R
OSC
=24k
Ω
, output load:
1kΩ
V
SP
=3.2V, VMI=0V or
VMI=3.2V, V
SP
=0V
70 80 90 %
VSP threshold
V
AD (L)
Threshold voltage of stopping output 0.5 0.55

V
V
AD (H)
Threshold voltage of full output

3.9 4.3
VSP response time T
VSP
(Design target value) (Note 1)
 
10 ms
Internal oscillation frequency f
OSC
R
OSC
=24kΩ
Measured by internal divided frequency
8 10 12 MHz
PWM frequency f
PWM
R
OSC
=24kΩ
20 25 30 kHz
Pin input current I
IN
VSP,VMI,VSOFT,VOFF, and LA pins
input voltage 0~V
REG
 
1
μ
A
Output ON resistance Ron(H+L) I
OUT
= 0.2A

1.6 2.5
Ω
Soft switching time (Note 1)
T
SOFT
(0)
R
OSC
=24kΩ, Hall input=100Hz
VOFF=0V , VSOFT=0V
 
0
° T
SOFT
(45)
R
OSC
=24kΩ, Hall input=100Hz
VOFF=0V , VSOFT=V
REG
*0.45
43

47
T
SOFT
(90)
R
OSC
=24kΩ, Hall input=100Hz
VOFF=0V , VSOFT= V
REG
84

90
OFF term
(Note 1)
T
OFF
(0)
R
OSC
=24kΩ, Hall input=100Hz
VSOFT=0V, VOFF=0V
 
0
° T
OFF
(45)
R
OSC
=24kΩ, Hall input=100Hz
VSOFT=0V, VOFF= V
REG
*0.45
43

47
T
OFF
(90)
R
OSC
=24kΩ, Hall input=100Hz
VSOFT=0V, VOFF= V
REG
84

90
Lead angle correction
(Note 1)
T
LA
(0)
R
OSC
=24kΩ, Hall i
nput=100Hz
LA=0V
 
0
° T
LA
(11.25)
R
OSC
=24kΩ, Hall input=100Hz
LA= V
REG
*0.23
10

12
T
LA
(22.5)
R
OSC
=24kΩ, Hall input=100Hz
LA= V
REG
21

24