TK73200 データシートの表示（PDF） - Toko America Inc
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TK73200 Datasheet PDF : 12 Pages
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TK73200
Note:Transistor: 2SB1115
CN = 0.1 µF
CP = 0.1 µF
CIN = 1 µF
CL = 4.7 µF
RP = 330 k
Continuous Current Limit Mode:
ISET (mA) = 100 mV / RIPK (Ω)
Pulse Current Limit Mode:
ISET (mA) = 90 mV / RIPK (Ω)
TEST CIRCUIT
CP
CN
RP
VIN
CIN
RIPK
TK73200
CONT
EMITTER
BASE
R1
EXTERNAL
TRANSISTOR
R2
COLLECTOR
CL
VOUT
VOUT = 1.25 ( 1 + R2 / R1)
20 kΩ ≤ R1 ≤ 68 kΩ
2.0 V ≤ VOUT ≤12 V VOUT
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, external transistor is 2SB1115(NEC), unless otherwise specified.
LINE REGULATION 1
LINE REGULATION 2
LOAD REGULATION
VOUT TYPICAL
0
10
20
VIN (V)
QUIESCENT CURRENT VS.
INPUT VOLTAGE
5
4
VOUT = 3.0 V
3
VOUT = 5.0 V
2
1
0
0
10
20
VIN (V)
Page 4
0
10
20
VIN (V)
DROPOUT VOLTAGE VS.
OUTPUT CURRENT AND
EXTERNAL TRANSISTORS
0
-100
-200
-300
2SB799
2SB1115
2SB1114
2SB1302
-400
0
500
1000
IOUT (mA)
0
500
1000
IOUT (mA)
GROUND CURRENT VS.
OUTPUT CURRENT
5
4
3
2
1
0
0
500
1000
IOUT (mA)
June 1999 TOKO, Inc.
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