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PDF SI-8033TM Data sheet ( Hoja de datos )
| Número de pieza | SI-8033TM | |
| Descripción | DC/DC Step-Down Converter IC | |
| Fabricantes | Sanken | |
| Logotipo |  |
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DC/DC Step-Down Converter IC
SI-8000TM Series
September 2005
■General Descriptions
SI-8000TM series has 300kHz oscillation frequency, so
it contributes miniaturization of a chalk coil.
Therefore, it realizes a compact and high efficient
power supply together with TO 252-5 package
(compatible:SC-63) .
SI-8000TM series has the function required for
switching regulators and protection circuits such as
over-current, and overheating.
With only four discrete components, it realizes a high
efficient switching regulator without adjustment.
1.5A output current by compact power surface mount
package.
■Package---TO252-5
■Applications
●DVD Recorder、FPD TV
●OA equipment, such as a printer
●On-board local power supply
■Key Specifications
■Features
●1.5A output current by compact power surface mount package.
● High Efficiency 81% (at VIN=15V, Io=0.5A,Vo=5V)
● Requires only four discrete components. (C3: required for soft
start.)
●Built-in Oscillation circuit
(oscillation frequency : 300kHz (TYP))
●Constant current type overcurrent protection and overheating
protection.
●Soft start function. (ON/OFF function available. Output OFF at
Low level.)
● Low consumption current at Output OFF.
Input
Voltage
Output
Current
Output
Voltage
Efficiency
(TYP)
SI-8008T
M
(ADJ Type)
0.8V
(REF Voltage)
81%
(5V Set-up)
Typical Connection
SI-8033T
M
SI-8050T
M
43V
0 to 1.5A
3.3V 5.0V
76% 81%
SI-8120T
M
12.0V
87%
C1：220μF
C2：470μF
C3：1μF
(At the time of soft start functional use)
L1：47μH
Di：SFPB66(Sanken)
.
Sanken Electric Co.,Ltd.
http://www.sanken-ele.co.jp/en/
1/15
I02-001EA-050910
1 page  
DC/DC Step-Down Converter IC
SI-8000TM Series
September 2005
□ Output Voltage: 5V Adjusted (R2=0.8k[Ohm])
(2) Low Voltage Behavior
6
5
４
3
2
IO=0A、
0.1A
0.5A
1.0A
1 1.5A
0 2 4 6 8 10
入力電圧 VIN [V]
(3) Load Regulation
5.06
5.04
5.02
5.00
VIN=40V
30V
4.98
4.96
20V
15v
4.94
10V
4.92
4.90
8V
4.88
4.86
4.84
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
Output Current IO [A]
400 (4) Circuit Current at Output OFF
1.6
300 Vss=0V
200
100
(5) Quiescent Current
10
8
6 Io=0A
4
2
0 10 20 30
入力電圧 VIN [V]
(6) Thermal Protection
6
5
4
3 VIN=8V
Io=0.01A
2
1
40
TSD OFF
TSD ON
0 20 40 60 80 100 120 140 160 180
Junction Temperature Tj [℃]
0 10 20 30 40
Input Voltage VIN [V]
Sanken Electric Co.,Ltd.
5/15
I02-001EA-050910
5 Page 
DC/DC Step-Down Converter IC
SI-8000TM Series
8. Packing specifications
4.0±0.1
φ1.5
2.0±0.1
0.3
1.7
7.50
10.5
0.3
0.25
φ1.7
8.0
7.1
16.0
Direction of Reel
2.65
September 2005
Unit：mm
B
B:MIN 1.60
D C C:13.0±0.5
+2
W1
-0
16.4 ㎜
Quantity：3000pcs／reel
W2 MAX
22.4 ㎜
+3
W1
-0.5
16.4 ㎜
Sanken Electric Co.,Ltd.
11/15
I02-001EA-050910
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet SI-8033TM.PDF ] | |
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