SI-8000TM Ver la hoja de datos (PDF) - Sanken Electric co.,ltd.
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SI-8000TM Datasheet PDF : 15 Pages
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DC/DC Step-Down Converter IC
SI-8000TM Series
September 2005
3-2 Recommended operating conditions
Characteristic
Symbol
DC input voltage range
VIN
DC output voltage range
DC output current range
Operating junction temperature
range
Operating temperature range
Vo
Io
Tjop
Top
Ratings
MIN
MAX
*1 Vo+3
40
0.8～24
0～1.5
-40～125
-40～125
Units
V
V
A
℃
℃
Remarks
Io=0～1.5A
*2 VIN≧Vo+3V
*2
*1 The minimum value of DC input voltage range is 8V when output is less than 5V,
VO+3,when the output is more than 5V.In the case of VIN=Vo+2～Vo+3V , it is set to
Io=1A MAX.
*2 To be used within the allowable package power dissipation characteristics (refer to P6).
4. Electrical characteristics
4-1 Electrical characteristics (Ta=25℃、Vo=5V adjusted R1=4.2kΩ,R2=0.8kΩ)
Characteristic
Symbol
MIN
Limits
TYP
MAX
Reference voltage
VADJ
0.784 0.800 0.816
Units
V
Reference voltage temperature coefficient ⊿VREF/⊿T
±0.1
mV/℃
Efficiency *3
η
81
%
Test conditions
VIN=15V，IO=0.1A
VIN=15V
，
IO=0.1A,Tc=0~100℃
VIN=15V,IO=0.5A
Operating frequency
fo
300
kHz VIN=15V，IO=0.5A
Line regulation
VLine
60
80
mV VIN=10～30V，IO=0.5A
Load regulation
VLoad
10
40
mV VIN=15V，IO=0.2～1.5A
Over current protection starting current
IS
1.6
A
VIN=15V
ON/OFF
terminal *4
Low level voltage
Flow-out current at low
level voltage
Quiescent current 1
VSSL
ISSL
Iq
Quiescent current 2
Iq(off)
0.5
V
10
40
μA VSSL=0V
6
mA VIN=15V，IO=0A
200
400
μA
VIN=15V
VSS=0V
Sanken Electric Co.,Ltd.
3/15
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