TK11811M データシートの表示（PDF） - Toko America Inc
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TK11811M Datasheet PDF : 8 Pages
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TK11811
VIN
+
C1
10 µF
TEST CIRCUIT
R1
10 KΩ
VIN
C2 3300 pF
3
1
L
R2
Di
22 KΩ
4
6
FB
OSC
T
GND
VOUT
Note: Di: IS2837,38 (NEC)
L: Toko 395KN-0369AQ
Toko PS5CDL-1639X
(See “Voltage
Adjustment Circuit”)
+
C3
10 µF
VOUT
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise specified.
OUTPUT VOLTAGE VS. OUTPUT
CURRENT (VOUT = 1.9 V)
EFFICIENCY VS. OUTPUT CURRENT
(VOUT = 1.9 V)
OUTPUT VOLTAGE VS. OUTPUT
CURRENT (VOUT = 2.8 V, ILOAD = 0 mA)
2.5
100
5
2.0
1.6 V
1.6 V
4
1.5
1.0
.5
0
0
1.4 V
1.2 V
1.0 V
0.8 V
VIN = 0.6 V
2
4
6
8 10
IOUT (mA)
1.4 V
50
1.2 V
1.0 V
0.8 V
VIN = 0.6 V
0
0
5
10
IOUT (mA)
3
2
1.6 V
1.0 V
1
0.8 V
1.4 V
0 VIN = 0.6 V
1.2 V
.5
5
10
IOUT (mA)
EFFICIENCY VS. OUTPUT
CURRENT (VOUT = 2.8 V)
100
1.6 V
1.2 V
50
1.4 V
1.0 V
0.8 V
VIN = 0.6 V
0
0
5
10
IOUT (mA)
INPUT CURRENT VS. INPUT
VOLTAGE (IOUT = 0 mA)
200
VOUT = 2.8 V
100
0
VOUT = 1.9 V
10
20
VIN (V)
OUTPUT VOLTAGE DRIFT
VS. TEMPERATURE
+50
0
-50
-50
0
50
100
TA (°C)
January 1999 TOKO, Inc.
Page 3
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