SI-8120TM
SI-8120TM is DC/DC Step-Down Converter manufactured by Sanken.
- Part of the SI-8000TM comparator family.
- Part of the SI-8000TM comparator family.
Features
- 1.5A output current by pact power surface mount package.
- High Efficiency 81% (at VIN=15V, Io=0.5A,Vo=5V)
- Requires only four discrete ponents. (C3: required for soft start.)
- Built-in Oscillation circuit
(oscillation frequency : 300k Hz (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://.sanken-ele.co.jp/en/
1/15
I02-001EA-050910
DC/DC Step-Down Converter IC
SI-8000TM Series
September 2005
1. Scope
The present specifications shall apply to a DC-DC buck converter...
