TLP112A
2002-09-25
1
TOSHIBA
Photocoupler
GaAAs Ired & Photo-IC
TLP112A
Digital Logic Isolation
Line Receiver
Power Supply Control Feedback Control
Switching Power Supply
Transistor Invertor
The TOSHIBA mini flat coupler TLP112A is a small outline coupler,
suitable for surface mount assembly.
TLP112A consists of a high output power GaAAs light emitting diode,
optically coupled to a high speed detector of one chip
photodiode-transistor.
l Isolation voltage: 2500Vrms (min.)
l Switching speed: t
pHL
=0.8s, t
pLH
=0.8s(max.)(R
L
=1.9k)
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
TLP112A
2002-09-25
2
Maximum Ratings
(Ta = 25C)
Characteristic Symbol
Rating
Unit
Forward current
(Note 1)
I
F
20 mA
Pulse forward current
(Note 2)
I
FP
40 mA
Peak transient forward current
(Note 3)
I
FPT
1 A
LE
D
Reverse voltage
V
R
5 V
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 4)
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, 1min., R.H. 60%,
Note 5)
BV
S
2500 Vrms
(Note 1) Derate 0.36mA / C above 70C.
(Note 2) 50% duty cycle, 1ms pulse width.
Derate 0.72mA / C above 70C.
(Note 3) Pulse width 1s, 300pps.
(Note 4) Derate 1.8mW / C above 70C.
TLP112A
2002-09-25
3
Electrical Characteristics
(Ta = 25C)
Characteristic Symbol
Test
Condition
Min.
Typ.
Max.
Unit
Forward voltage
V
F
I
F
=16mA 1.22
1.42
1.72
V
Forward voltage
temperature coefficient
V
F
/ Ta I
F
=16mA
-2
mV / C
Reverse current
I
R
V
R
=3V
10 A
LE
D
Capacitance between
terminals
C
T
V
F
=0, f=1MHz
30 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
20
%
Low level output
voltage
V
OL
I
F
=16mA, V
CC
=4.5V
I
O
=2.4mA
0.4 V
Isolation resistance
R
S
R.H. 60%
V
S
=500V DC
(Note 5)
510
10
10
14
Coupl
ed
Stray capacitance
between input to output
C
S
V
S
=0, f=1MHz
(Note 5)
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
=1.9k
0.8 s
Propagation delay time
(LH)
t
pLH
1
I
F
=160mA
V
CC
=5V, R
L
=1.9k
0.8 s
Common mode transient
imunity 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
imunity at low output
level
CM
L
2
I
F
=16mA, V
CM
=200V
p
-p
R
L
=4.1k
-1500
V
/
s
(Note 5) Device considered a two
-terminal device: Pins 1 and 3 shorted together and pin 4,
5 and 6 shorted together.
(Note 6) Maximum electrostatic discharge voltage for any pins: 100V(C=200pF, R=0)
TLP112A
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
CM
,
s
r
t
V
160
H
CM
PW = 100s
Duty ratio = 1 / 10
V
O
I
F
5V
1.5V
0
V
OL
t
pLH
t
pHL
I
F
Monitor
Pulse input
Output
Monitor
V
O
V
CC
= 5V
1
3
4
5
6
R
L
1.5V
I
F
V
O
V
CM
Pulse gen
Z
O
= 50
200V
0V
90%
5V
2V
0.8V
V
OL
t
r
t
f
V
CM
10%
V
O
(I
F
= 16mA)
(I
F
= 0mA)
Output
Monitor
V
O
V
CC
= 5V
1
3
4
5
6
R
L
TLP112A
2002-09-25
5
V
F
/ Ta I
F
Forward 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
30
-3.6
-2.8
-2.0
-1.2
I
OH(1)
Ta
Ambient temperature Ta (C)
Hi
gh l
e
v
e
l
out
put
c
u
rrent
I
OH
(1) (nA
)
100
1
3
50
30
10
5
0
40
80
0.5
300
20 60 100
120
VF = 1V
VCC = 5.5V
VO = 5.5V
I
O
/ I
F
I
F
Forward current I
F
(mA)
50
30
10
5
3
1
0.5
0.3
100
50
30
10
5
3
1
VCC = 5V
VO = 0.4V
Current
t
r
ans
f
e
r
rat
i
o
I
O
/
I
F
(%
)
Ta = 25C
- 25C
25C
0.1
100C
I
O
/ I
F
Ta
Ambient temperature Ta (C)
N
o
r
m
a
liz
e
d
I
O /
I
F
(I
O /
I
F
)
0 20 40
60
80
-20
100
0
0.4
0.6
0.8
1.0
1.2
Normalized to
VCC = 4.5V
VO = 0.4V
Ta = 25C
IF = 16mA
8mA
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
0
0.1
0.01
Ta = 70C
25C
0C
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
0.05
0.5
5
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