DOWNLOAD Sharp 28JW-73H (serv.man12) Service Manual ↓ Size: 51.52 KB | Pages: 5 in PDF or view online for FREE

Model
28JW-73H (serv.man12)
Pages
5 Few pages! See other manuals at the bottom of the first or last page.
Size
51.52 KB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR / IC's additional info part 3(p.31-35)
File
28jw-73h-sm12.pdf
Date
PREV: Sharp 28JW-73H (serv.man11) Service Manual

Sharp 28JW-73H (serv.man12) Service Manual ▷ View online

-:+
7($,&
Note
1. Guaranteed by design.
Burst mode standby (pin 3)
V
th(burst)(on)
burst mode standby active threshold
voltage
at I
burst
= 6 mA
3.3
3.8
4.3
V
I
th(burst)(on)
burst mode standby active current
16
−
−
mA
I
th(burst)(off)
burst mode standby inactive current
−
−
6
mA
t
(burst-blank)
burst mode standby blanking time
25
30
35
µ
s
Valley switch (pin 8)
∆
V/
∆
t
valley
∆
V/
∆
t for valley recognition
−
85
−
+
85
V/
µ
s
t
valley-swon
delay from valley recognition to switch-on
−
150
(1)
−
ns
Current and short winding protection (pin 5)
V
sense(max)
maximum source voltage OCP
∆
V/
∆
t = 0.1 V/
µ
s
0.48
0.52
0.56
V
t
propagation
delay from detecting V
sense(max)
 to
switch-off
∆
V/
∆
t = 0.5 V/
µ
s
−
140
185
ns
V
swp
short winding protection voltage
0.83
0.88
0.96
V
t
leb
blanking time for current and short
winding protection
300
370
440
ns
I
ss
soft start current
V
sense
< 0.5 V
45
60
75
µ
A
Overvoltage protection (pin 4)
I
(OVP)(DEM)
OVP protection level at pin 4, set by the
demagnetization resistor R
DEM
; see
Section “OverVoltage Protection (OVP)”
54
60
66
µ
A
Overpower protection (pin 4)
I
(OPP)(DEM)
OPP current at pin 4, start of OPP
correction. Set by the demagnetization
resistor R
DEM
; see Section “OverPower
Protection (OPP)”
−
−
24
−
µ
A
I
(OPP50%)(DEM)
OPP current at pin 4 where maximum
source voltage is limited to 0.3 V
−
−
100
−
µ
A
Driver (pin 6)
I
source
source current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
−
170
−
88
mA
I
sink
sink current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
300
−
mA
V
CC
= 9.5 V;
V
DRIVER
= 9.5 V
400
700
−
mA
V
o(driver)(max)
maximum output voltage of the driver
V
CC
> 12 V
−
11.5
12
V
Temperature protection
T
prot(max)
maximum temperature threshold
130
140
150
°
C
T
prot(hyst)
hysteresis temperature
−
8
(1)
−
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
-:+
7($,&
Note
1. Guaranteed by design.
Burst mode standby (pin 3)
V
th(burst)(on)
burst mode standby active threshold
voltage
at I
burst
= 6 mA
3.3
3.8
4.3
V
I
th(burst)(on)
burst mode standby active current
16
−
−
mA
I
th(burst)(off)
burst mode standby inactive current
−
−
6
mA
t
(burst-blank)
burst mode standby blanking time
25
30
35
µ
s
Valley switch (pin 8)
∆
V/
∆
t
valley
∆
V/
∆
t for valley recognition
−
85
−
+
85
V/
µ
s
t
valley-swon
delay from valley recognition to switch-on
−
150
(1)
−
ns
Current and short winding protection (pin 5)
V
sense(max)
maximum source voltage OCP
∆
V/
∆
t = 0.1 V/
µ
s
0.48
0.52
0.56
V
t
propagation
delay from detecting V
sense(max)
 to
switch-off
∆
V/
∆
t = 0.5 V/
µ
s
−
140
185
ns
V
swp
short winding protection voltage
0.83
0.88
0.96
V
t
leb
blanking time for current and short
winding protection
300
370
440
ns
I
ss
soft start current
V
sense
< 0.5 V
45
60
75
µ
A
Overvoltage protection (pin 4)
I
(OVP)(DEM)
OVP protection level at pin 4, set by the
demagnetization resistor R
DEM
; see
Section “OverVoltage Protection (OVP)”
54
60
66
µ
A
Overpower protection (pin 4)
I
(OPP)(DEM)
OPP current at pin 4, start of OPP
correction. Set by the demagnetization
resistor R
DEM
; see Section “OverPower
Protection (OPP)”
−
−
24
−
µ
A
I
(OPP50%)(DEM)
OPP current at pin 4 where maximum
source voltage is limited to 0.3 V
−
−
100
−
µ
A
Driver (pin 6)
I
source
source current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
−
170
−
88
mA
I
sink
sink current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
300
−
mA
V
CC
= 9.5 V;
V
DRIVER
= 9.5 V
400
700
−
mA
V
o(driver)(max)
maximum output voltage of the driver
V
CC
> 12 V
−
11.5
12
V
Temperature protection
T
prot(max)
maximum temperature threshold
130
140
150
°
C
T
prot(hyst)
hysteresis temperature
−
8
(1)
−
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
-:+
7($,&
Note
1. Guaranteed by design.
Burst mode standby (pin 3)
V
th(burst)(on)
burst mode standby active threshold
voltage
at I
burst
= 6 mA
3.3
3.8
4.3
V
I
th(burst)(on)
burst mode standby active current
16
−
−
mA
I
th(burst)(off)
burst mode standby inactive current
−
−
6
mA
t
(burst-blank)
burst mode standby blanking time
25
30
35
µ
s
Valley switch (pin 8)
∆
V/
∆
t
valley
∆
V/
∆
t for valley recognition
−
85
−
+
85
V/
µ
s
t
valley-swon
delay from valley recognition to switch-on
−
150
(1)
−
ns
Current and short winding protection (pin 5)
V
sense(max)
maximum source voltage OCP
∆
V/
∆
t = 0.1 V/
µ
s
0.48
0.52
0.56
V
t
propagation
delay from detecting V
sense(max)
 to
switch-off
∆
V/
∆
t = 0.5 V/
µ
s
−
140
185
ns
V
swp
short winding protection voltage
0.83
0.88
0.96
V
t
leb
blanking time for current and short
winding protection
300
370
440
ns
I
ss
soft start current
V
sense
< 0.5 V
45
60
75
µ
A
Overvoltage protection (pin 4)
I
(OVP)(DEM)
OVP protection level at pin 4, set by the
demagnetization resistor R
DEM
; see
Section “OverVoltage Protection (OVP)”
54
60
66
µ
A
Overpower protection (pin 4)
I
(OPP)(DEM)
OPP current at pin 4, start of OPP
correction. Set by the demagnetization
resistor R
DEM
; see Section “OverPower
Protection (OPP)”
−
−
24
−
µ
A
I
(OPP50%)(DEM)
OPP current at pin 4 where maximum
source voltage is limited to 0.3 V
−
−
100
−
µ
A
Driver (pin 6)
I
source
source current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
−
170
−
88
mA
I
sink
sink current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
300
−
mA
V
CC
= 9.5 V;
V
DRIVER
= 9.5 V
400
700
−
mA
V
o(driver)(max)
maximum output voltage of the driver
V
CC
> 12 V
−
11.5
12
V
Temperature protection
T
prot(max)
maximum temperature threshold
130
140
150
°
C
T
prot(hyst)
hysteresis temperature
−
8
(1)
−
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
-:+
7($,&
Note
1. Guaranteed by design.
Burst mode standby (pin 3)
V
th(burst)(on)
burst mode standby active threshold
voltage
at I
burst
= 6 mA
3.3
3.8
4.3
V
I
th(burst)(on)
burst mode standby active current
16
−
−
mA
I
th(burst)(off)
burst mode standby inactive current
−
−
6
mA
t
(burst-blank)
burst mode standby blanking time
25
30
35
µ
s
Valley switch (pin 8)
∆
V/
∆
t
valley
∆
V/
∆
t for valley recognition
−
85
−
+
85
V/
µ
s
t
valley-swon
delay from valley recognition to switch-on
−
150
(1)
−
ns
Current and short winding protection (pin 5)
V
sense(max)
maximum source voltage OCP
∆
V/
∆
t = 0.1 V/
µ
s
0.48
0.52
0.56
V
t
propagation
delay from detecting V
sense(max)
 to
switch-off
∆
V/
∆
t = 0.5 V/
µ
s
−
140
185
ns
V
swp
short winding protection voltage
0.83
0.88
0.96
V
t
leb
blanking time for current and short
winding protection
300
370
440
ns
I
ss
soft start current
V
sense
< 0.5 V
45
60
75
µ
A
Overvoltage protection (pin 4)
I
(OVP)(DEM)
OVP protection level at pin 4, set by the
demagnetization resistor R
DEM
; see
Section “OverVoltage Protection (OVP)”
54
60
66
µ
A
Overpower protection (pin 4)
I
(OPP)(DEM)
OPP current at pin 4, start of OPP
correction. Set by the demagnetization
resistor R
DEM
; see Section “OverPower
Protection (OPP)”
−
−
24
−
µ
A
I
(OPP50%)(DEM)
OPP current at pin 4 where maximum
source voltage is limited to 0.3 V
−
−
100
−
µ
A
Driver (pin 6)
I
source
source current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
−
170
−
88
mA
I
sink
sink current capability of driver
V
CC
= 9.5 V; V
DRIVER
= 2 V
−
300
−
mA
V
CC
= 9.5 V;
V
DRIVER
= 9.5 V
400
700
−
mA
V
o(driver)(max)
maximum output voltage of the driver
V
CC
> 12 V
−
11.5
12
V
Temperature protection
T
prot(max)
maximum temperature threshold
130
140
150
°
C
T
prot(hyst)
hysteresis temperature
−
8
(1)
−
°
C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
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