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PDF TK11806MTL Data sheet ( Hoja de datos )
| Número de pieza | TK11806MTL | |
| Descripción | DC-DC CONVERTER | |
| Fabricantes | TOKO | |
| Logotipo |  |
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TK11806
DC-DC CONVERTER
FEATURES
s Very Small Size
s Few External Components
s Wide Input Supply Voltage Range (1.1 to 18 V)
s Six Selectable Output Voltages up to 32 V
s Single Battery Cell Operation
DESCRIPTION
The TK11806 is a low power, low input voltage DC-DC
converter.
APPLICATIONS
s Variable Capacitance and PIN Diode Bias
s Portable Instrumentation
s Radio Control Systems
s Mobile Radios
s Cellular Telephones
s Cordless Telephones
s Fiberoptic Receivers
s Local Area Network (LAN) Receivers
s Battery Operated Equipment
The device has been optimized for variable capacitance
diode and PIN diode bias applications. It generates DC
output voltages ranging from 9.3 V to 32 V in six steps. The
desired output voltage may be selected by simple wire
connections between control pins. The input DC voltage
can be as low as 1.1 V or as high as 18 V.
The device has a built-in relaxation oscillator. The fre-
quency of oscillation is determined by external component
values. The TK11806 has built-in voltage reference and an
array of temperature compensated zener diodes in order to
generate various output voltages with minimum external
part count.
TK11806M
80A621
V IN 1
GND 2
T1 3
T2 4
8 OSC
7 DA
6 VO
5 T3
The device is available in an 8-lead plastic surface mount
package (MFP-8).
External inductive components are also available from
TOKO.
ORDERING INFORMATION
TK11806M
Tape/Reel Code
TAPE/REEL CODE
BX: Bulk/Bag
TL: Tape Left
MG: Magazine
BLOCK DIAGRAM
L EXT
OSC.
8
VIN S 1
STARTUP
CIRCUIT
S
OSCILLATOR
S
FEEDBACK
CONTROL
2
GND
7 DA
6 VO
REF.
VOLTAGE
5 T3
4 T2
3 T1
January, 1996 TOKO, Inc.
1-16-96
Page 1
1 page  
TYPICAL APPLICATIONS
TK11806
VARIABLE CAPACITANCE DIODE BIAS CIRCUIT
1.2 mH
VIN
S
+
47
µF S
1 IN OSC. 8
2 GND DA 7
3 T1 OUT 6
S
820 W
S 4 T2
T3 5 + S
S
TK11806M
10 µF
0.22 µF
VO = 24 V
KT11806• TC02
AVALANCHE PHOTODIODE BIAS WITH AGC
VIN
S
+
47
µF S
1.2 mH
1 IN OSC. 8
2 GND DA 7
3 T1 OUT 6
4 T2
T3 5
TK11806M
AGC
FEEDBACK
S
820 W
+S S
10 µF
0.22 µF
VO = 32 V
KT11806• TC03
NEGATIVE OUTPUT
VIN
S
+
47
µF S
1 IN OSC. 8
2 GND DA 7
3 T1 OUT 6
4 T2
T3 5
TK11806M
S -V O
+ 22 µF
KT11806• TC04
POSITIVE AND NEGATIVE OUTPUTS
VIN
S
+
47
µF S
S -V O
+ 22 µF
1 IN OSC. 8
2 GND DA 7
3 T1 OUT 6
4 T2
T3 5
TK11806M
S
820 W
+S S
10 µF
0.22 µF
+V O
KT11806• TC05
VIN
S
+
47
µF S
VOLTAGE BOOST CIRCUIT
1.2 mH
1 IN
2 GND
3 T1
4 T2
OSC. 8
DA 7
OUT 6
T3 5
TK11806M
S
.47 µF
S
SS
S
33 k
0.22
µF
S
VO = 53 V
.47 µF
S
KT11806• TC06
VIN
S
S
+
47
µF S
5k
VARIABLE BIAS SOURCE
1.2 mH
1 IN OSC. 8
2 GND DA 7
3 T1 OUT 6
4 T2
T3 5
TK11806M
SS
1k
.2 µF
S
22 k
S
S
S
10 pF
S
33 k
VO
S ~30 V
240 k
S
51 k
KT11806• TC07
January, 1996 TOKO, Inc.
1-16-96
Page 5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TK11806MTL.PDF ] | |
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