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PDF SI-8008TMX Data sheet ( Hoja de datos )
| Número de pieza | SI-8008TMX | |
| Descripción | Buck Switching Regulator IC | |
| Fabricantes | Sanken | |
| Logotipo |  |
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1.5A Surface Mount Type・Output Variable・Buck Switching Regulator IC
SI-8008TMX
◆General description
SI-8008TMX attains an oscillation frequency of 300kHz,
and has an integrated miniaturized choke coil, allowing it
to serve as a high efficiency power supply in a compact
TO252-5 (equivalent to SC-63).
SI-8008TMX regulators provides various features and
protection functions (overcurrent and thermal protection)
which are necessary for switching regulators.
Only 6 external components are required, and provides
high efficiency switching regulation without any need for
adjustment.
Device supplies 1.5A output current in a compact surface
mount package.
◆Package
Package name: TO252-5
Jan. 2010
◆Applications
DVD recorder, FPD TV
OA equipment (printers, etc)
On-board local power supplies,
◆ Specification
Input voltage
Output current
Output voltage
Efficiency
(MAX)
SI-8008TMX (variable type)
43V
0 - 1.5A
0.8V±2%
(reference voltage)
81%
(5V output)
◆Features
High efficiency 81% (VIN=15V, Io=0.5A)
Shutdown supply current: 1μA(MAX)
Requires only 6 discrete components
Built-in reference oscillator (Oscillating
frequency:300kHz(TYP)
Built-in drooping-type-overcurrent and
protection circuits
●Built-in on-off pin (Active Hi) Off in open
thermal
Typical application circuit
VIN
C1
220uF
1
IN
SW 2
SIS-8I-080080T8MTXM
Vc GND ADJ 4
53
L 47uH
R1
Di R2
IADJ
GND
VO
C2
470uF
GN
D
C1：220μF
C2：470μF
L1：47μH
Di：SJPB-H6 (Sanken)
Sanken Electric Co., Ltd.
1/13
1 page  
1.5A Surface Mount Type・Output Variable・Buck Switching Regulator IC
SI-8008TMX
Jan. 2010
In case of the setup of VO=5V (R2=0.8kΩ)
6 (2) Output voltage rising *Load=C.R
6 (5) Overcurrent protection characteristics
55
VIN=8, 10, 20, 30, 40V
44
3
IO= 0A
0.1A
3
0.5A
2
1.0A
2
1.5A
11
0 0 2 4 6 8 10
Input voltage VIN (V)
5.06
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
4.88
4.86
4.84 0
(3) Load regulation
VIN=40V
30V
20V
15V
10V
8V
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Output current IO (A)
(4) Thermal shutdown
0
0.5 1 1.5 2 2.5 3
Output current IO (A)
10 (6) Shutdown supply current
8
6 IO=0A
4
2
0
10 20
30 40
Input voltage VIN (V)
VIN=8V
IO=0.01A
TSD OFF
TSD ON
20 40 60 80 100 120 140 160 180
Junction temperature Ta (°C)
Sanken Electric Co., Ltd.
5/13
5 Page 
1.5A Surface Mount Type・Output Variable・Buck Switching Regulator IC
SI-8008TMX
8 Package specification
Unit: mm
Jan. 2010
Tape pullout direction
B
B:2±0.5
DC
C:13.0±0.5
D: 21±0.8
W1：17±0.5
W2：21.5±1
Package amount: 3000pcs/reel
Antistatic nylon bag
２
Sanken Electric Co., Ltd.
11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SI-8008TMX.PDF ] | |
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