TLP112
2002-09-25
1
TOSHIBA
Photocoupler
GaAAs Ired & Photo-IC
TLP112
Digital Logic Isolation
Line Receiver
Switching Power Supply Feedback Control
Transistor Invertor
The TOSHIBA mini flat coupler TLP112 is a small outline coupler,
suitable for surface mount assembly.
TLP112 consists of a GaAAs light emitting diode, optically coupled to a
high speed detector of one chip photodiode
-
transistor.
l Isolation voltage: 2500 Vrms (min.)
l Switching speed: t
pHL
= 0.8s,
t
pLH
= 2 s(max.)
(R
L
= 4.1 k)
l TTL compatible
l UL recognized: UL1577, file no. E67349
Pin Configuration
(top view)
1 : ANODE
3 : CATHODE
4 : EMITTER (GND)
5 : COLLECTOR (OUTPUT)
6 : V
CC
1
3
4
5
6
Schematic
V
CC
GND
V
O
I
CC
I
O
6
5
4
1
3
I
F
V
F
TOSHIBA 11-4C2
Weight: 0.09g
Unit in mm
TLP112
2002-09-25
2
Maximum Ratings
(Ta = 25C)
Characteristic Symbol
Rating
Unit
Forward current
(Note 1)
I
F
25 mA
Pulse forward current
(Note 2)
I
FP
50 mA
Peak transient forward
current (Note
3)
I
FPT
1 A
Reverse voltage
V
R
5 V
LE
D
Diode power dissipation
(Note 4)
P
D
45 mW
Output current
I
O
8 mA
Peak output current
I
OP
16 mA
Supply voltage
V
CC
-0.5~15 V
Output voltage
V
O
-0.5~15 V
Det
e
c
t
or
Output power dissipation
(Note 5)
P
o
100 mW
Operating temperature range
T
opr
-55~100 C
Storage temperature range
T
stg
-55~125 C
Lead soldering temperature(10s)
T
sol
260 C
Isolation voltage
(AC, 1 min., R.H 60%,
Note 6)
BV
S
2500 Vrms
(Note 1) Derate 0.8 mA / C above 70C.
(Note 2) 50% duty cycle,1ms pulse width.
Derate 1.6mA / C above 70C.
(Note 3) Pulse width 1s, 300pps.
(Note 4) Derate 0.9mW / C above 70C.
(Note 5) Derate 2mW / C above 70C.
TLP112
2002-09-25
3
Electrical Characteristics
(Ta = 25C)
Characteristic Symbol
Test
Condition
Min.
Typ.
Max.
Unit
Forward voltage
V
F
I
F
= 16mA
1.65 1.85
V
Forward voltage
temperature coefficient
V
F
/ Ta I
F
= 16mA
-2
mV / C
Reverse current
I
R
V
R
= 5V
10 A
LE
D
Capacitance between
terminals
C
T
V
F
= 0, f = 1MHz
45 pF
I
OH (1)
I
F
= 0mA, V
CC
= V
O
= 5.5V
3 500
nA
I
OH (2)
I
F
= 0mA, V
CC
= V
O
= 15V
5
High level output
current
I
OH
I
F
= 0mA, V
CC
= V
O
= 15V
Ta = 70C
50
A
Det
e
c
t
or
High level supply
current
I
CCH
I
F
= 0mA, V
CC
= 15V
0.01 1 A
Current transfer ratio
I
O
/ I
F
I
F
=16mA, V
CC
= 4.5V
V
O
= 0.4V
10
%
Low level output
voltage
V
OL
I
F
= 16 mA, V
CC
= 4.5V
I
O
= 1.1mA
0.4 V
Isolation resistance
R
S
R.H. 60%
V
S
= 500V DC
(Note 6)
510
10
10
14
Coupl
ed
Stray capacitance
between input to output
C
S
V
S
= 0, f = 1MHz
(Note 6)
0.8 pF
Switching Characteristics
(Ta = 25C)
Characteristic Symbol
Test
Cir
-
cuit
Test Condition
Min.
Typ.
Max.
Unit
Propagation delay time
(HL)
t
pHL
1
I
F
= 016mA
V
CC
= 5V, R
L
= 4.1k
0.8 s
Propagation delay time
(LH)
t
pLH
1
I
F
= 160mA
V
CC
= 5V, R
L
= 4.1k
2.0 s
Common mode transient
immunity at high output
level
CM
H
2
I
F
= 0mA, V
CM
= 200V
p
-p
R
L
= 4.1k
1500 V
/
s
Common mode transient
immunity at low output
level
CM
L
2
I
F
=16mA, V
CM
= 200V
p
-p
R
L
= 4.1k
-1500
V
/
s
(Note 6) Device considered a two
-terminal device: Pins 1 and 3 shorted together and Pin 4,
5 and 6 shorted together.
(Note 7) Maximum electrostatic discharge voltage for any pins: 100V (C=200pF, R=0)
TLP112
2002-09-25
4
Test Circuit 1: Switching Time Test Circuit
Test Circuit 2: Common Mode Transient Immunity Test Circuit
s
f
t
V
160
=
L
C
,
s
r
t
V
160
=
H
C
V
O
I
F
5V
1.5V
0
V
OL
t
pLH
t
pHL
1.5V
PW = 100s
DUTY RATIO = 1 / 10
I
F
MONITOR
PULSE INPUT
OUTPUT
MONITOR
V
O
V
CC
= 5V
R
L
I
F
100
1
3
4
6
5
I
F
PULSE GENERATOR
Z
O
= 50
V
CM
OUTPUT
MONITOR
V
O
V
CC
= 5V
1
3
4
5
6
R
L
0V
V
O
V
CM
90%
5V
2V
0.8V
V
OL
t
r
t
f
10%
V
O
(I
F
= 16mA)
(I
F
= 0mA)
200V
TLP112
2002-09-25
5
I
F
V
F
Forward voltage V
F
(V)
Forward c
u
rrent
I
F
(m
A
)
100
1.0
10
1.2 1.4 1.6 1.8
2.0
1
0.1
0.01
Ta = 70C
25C
0C
V
F
/ Ta I
F
Foward current I
F
(mA)
Forward v
o
l
t
age
t
e
m
perat
ure
c
oef
f
i
c
i
ent
V
F
/
Ta
(
m
V
/
C
)
-4.0
0.1
-3.2
-2.4
-1.6
0.3 0.5
1
3 5 10
-0.8
30
2570C
025C
I
O
I
F
Forward current I
F
(mA)
Out
put
c
u
rrent
I
O
(m
A
)
10
0.01
3
0.3
0.03
50
30
10
5
3
1
0.5
0.3
0.1
0.1
1
VCC = 5V
VO = 0.4V
Ta = 25C
I
O
/ I
F
I
F
Forward current I
F
(mA)
Current
t
r
ans
f
e
r
rat
i
o
I
O
/
I
F
(%
)
50
30
10
5
3
1
0.5
0.3
100
50
30
10
5
3
1
VCC = 5V
VO = 0.4V
Ta = 100C
- 25C
25C
0.1
I
O
/ I
F
Ta
Ambient temperature Ta (C)
N
o
r
m
a
liz
e
d
I
O /
I
F
0
20
40
60
80
-20
100
0.2
0.4
0.6
0.8
1.0
1.2
Normalized to
IF = 16mA
VCC = 4.5V
VO = 0.4V
Ta = 25C
I
OH(1)
Ta
Ambient temperature Ta (C)
Hi
gh l
e
v
e
l
out
put
c
u
rrent
I
OH
(
A)
100
1
3
50
30
10
5
0
40
80
0.5
300
20
60
100
VF = 1V
VCC = 5.5V
VO = 5.5V
TLP112
2002-09-25
6
I
O
V
O
Output voltage V
O
(V)
Out
put
c
u
rrent
I
O
(m
A
)
5
4
1
0
VCC = 5V
Ta = 25C
10mA
15mA
20mA
25mA
I
F
= 5mA
5
4
3
2
1
0
2
3
t
pHL,
t
pLH
R
L
Load resistance R
L
(k)
P
r
op
agat
i
on del
a
y
t
i
m
e
t
pH
L,
t
pLH
(
s)
3
1
0.3
1
5
10
50
100
0.1
5
30
3
0.5
t
pLH
t
pHL
IF = 16mA
VCC = 5V
Ta = 25C
t
pHL,
t
pLH
Ta
Ambient temperature Ta (C)
P
r
op
agat
i
on del
a
y
t
i
m
e
t
pH
L,
t
pLH
(
s)
3
1
0.3
0
40
80
100
0.1
60
20
0.5
t
pLH
t
pHL
IF = 16mA
VCC = 5V
R
L
= 4.1k
V
OL
Ta
Ambient temperature Ta (C)
- 20
20
40
60 80
0
0.2
Low l
e
v
e
l
out
put
v
o
l
t
age
V
OL
(
V
)
0.4
0.3
0.1
100
0
IF = 16mA
VCC = 5V
IO = 1.1mA
TLP112
2002-09-25
7
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000707EBC
RESTRICTIONS ON PRODUCT USE
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