TK11900 TOKO, TK11900 Datasheet - Page 11

• Manufacturer Part Number: TK11900
• Description: ADJUSTABLE LOW DROPOUT REGULATOR
• Manufacturer: TOKO

January 1999 TOKO, Inc.
250
200
150
100
10
50
5
0
0
0
0
LINE VOLTAGE STEP RESPONSE
V IN = 1 V
SATURATION VOLTAGE
RESET OUTPUT CURRENT
7 V
GROUND CURRENT
6 V
2 V
OUTPUT CURRENT
TIME (50 µs/DIV)
I FLAG (mA)
I OUT (mA)
3 V
50
0.5
6 V
5 V
TYPICAL PERFORMANCE CHARACTERISTICS
VS.
VS.
100
1.0
T
A
= 25 C, unless otherwise specified.
500
400
300
200
100
2
1
0
0
5
4
3
0
0
LOAD CURRENT STEP RESPONSE
0 mA
DROPOUT VOLTAGE
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT CURRENT
TIME (50 µs/DIV)
I OUT (mA)
I OUT (mA)
50 mA
100
50
VS.
VS.
100
200
-100
200
100
-50
0
C L = .1 µF
0
0
CURRENT
INPUT CURRENT AND CONTROL
0 V
I IN
TURN-ON TIME
FREQUENCY (TK11950)
NOISE LEVEL
2.4 V
TIME (50 µs/DIV)
VS.
C L = 3.3 µF
C N = 0.1 µF
CAPACITOR
V CONT (V)
SHUTDOWN POINT
CONTROL VOLTAGE
f (Hz)
500 k
2.5
1 µF
TK119xx
4.7 µF
I OUT = 25 mA
C L = 0.1 µF
C N = 0.1 µF
I OUT = 30 mA
VS.
15 µF
OUTPUT
VS.
Page 11
I CONT
10 µF
1 M
5.0
100
50
0