TK11812 Ver la hoja de datos (PDF) - Toko America Inc
Número de pieza
componentes Descripción
Lista de partido
TK11812 Datasheet PDF : 8 Pages
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TK11812
TEST CIRCUIT
R1
R2
VOUT
+
10 µF
GND
10 µF
+
VIN
10 KΩ
Di
Note: Di: IS2837,38, or equivalent
L: Toko 395KN-0369AQ
Toko PS5CDL-1639X
C1
3300 pF
3
1
L
4
6
R3
22 KΩ
GND
Note: VOUT = Vref [1 + (R2 / R1)]
Vref = 1.22 V
R1 = 100 k to 150 k
Vref is the FB pin voltage.
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25 °C, unless otherwise specified.
OUTPUT VOLTAGE VS. OUTPUT
CURRENT (VOUT = 3.0 V)
EFFICIENCY VS. OUTPUT
CURRENT (VOUT = 3.0 V)
OUTPUT VOLTAGE VS. OUTPUT
CURRENT (VOUT = 3.3 V)
5
100
5
4
4
3
2
1.0 V
1.6 V
1.2 V
1.4 V
1
0.8 V
0 VIN = 0.6 V
0
2
4
6
8 10
IOUT (mA)
1.6 V
50
1.4 V
1.2 V
1.0 V
0.8 V
0 VIN = 0.6 V
0
2
4
6
8 10
IOUT (mA)
3
1.6 V
2
1
0.8 V
0 VIN = 0.6 V
0
2
4
1.0 V
6
IOUT (mA)
1.4 V
1.2 V
8 10
EFFICIENCY VS. OUTPUT
CURRENT (VOUT = 3.3 V)
100
1.6 V
50
1.4 V
1.0 V
0.8 V
1.2 V
VIN = 0.6 V
0
0
2
4
6
8 10
IOUT (mA)
OUTPUT VOLTAGE VS. OUTPUT
CURRENT (VOUT = 4.0 V)
5
4
1.6 V
3
2
1.4 V
1.2 V
1.0 V
1
0.8 V
VIN = 0.6 V
0
0
2
4
6
8 10
IOUT (mA)
EFFICIENCY VS. OUTPUT
CURRENT (VOUT = 4.0 V)
100
50
1.6 V
1.4 V
1.2 V
1.0 V
0.8 V
0 VIN = 0.6 V
0
2
4
6
IOUT (mA)
8 10
June 1999 TOKO, Inc.
Page 3
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