TK112xxB
TEST CIRCUITS
SOT-23L
SOT-89
I
IN
I
IN
V
IN
V
OUT
I
V
OUT
I
OUT
OUT
V
OUT
V
IN
V
+
+
IN
+
V
OUT
+
+
2.2 µF
1.0 µF
1 µF
2.2 µF
V
IN
NOISE
NOISE
CONT
CONT
BYPASS
BYPASS
TRANSIENT RESPONSE
C
N
0.1 µF
V
C
N
0.1 µF
CONT
+
+
I
CONT
I
CONT
V
IN
112XXB
V
OUT
V
CONT 1
R
S
C
N
CONT
0.1 µF
C
L = 10 µF to 0.22 µF
1 µF
Note: Connect pin 5 to
ground for heat sink
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, unless otherwise specified.
OUTPUT VOLTAGE RESPONSE
(OFF→ON)
SHORT CIRCUIT CURRENT
LOAD REGULATION
C
= 2.2 µF
L
5
4
3
2
V
OUT(TYP)
C
= 0.01 µF
N
C
= 0.1 µF
N
1
0
I
= 30 mA
LOAD
400 600
TIME (µs)
150
0
200
800
0
300
0
50
(mA)
100
I
(mA)
I
OUT
OUT
OUTPUT VOLTAGE VS. INPUT
VOLTAGE
DROPOUT VOLTAGE VS.
OUTPUT CURRENT
LINE REGULATION
OUT(TYP)
V
OUT(TYP)
V
0
-100
-200
-300
-400
I
= 0 mA
OUT
I
= 30 mA
OUT
I
= 50 mA
OUT
I
= 90 mA
OUT
0
V
= V
10
(V)
0
100
200
0
20
IN
OUT
(V) (50 mV/DIV)
V
V
I
(mA)
IN
IN
OUT
October 1999 TOKO, Inc.
Page 7
TOKO [ TOKO, INC ]
