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SI-8000GL 数据表(PDF) 1 Page - Sanken electric

部件名 SI-8000GL
功能描述  Compact, Separate Excitation Step-down Switching Mode
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制造商  SANKEN [Sanken electric]
网页  http://www.sanken-ele.co.jp/en
标志 SANKEN - Sanken electric

SI-8000GL 数据表(HTML) 1 Page - Sanken electric

  SI-8000GL_11 Datasheet HTML 1Page - Sanken electric SI-8000GL_11 Datasheet HTML 2Page - Sanken electric  
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38
ICs
1-1-3 DC/DC Converter ICs
■Absolute Maximum Ratings
Unit
V
W
°C
°C
°C/W
°C/W
Ratings
53
1
+125
–40 to +125
28
100
Symbol
VIN
PD*1
Tj
Tstg
θj-c
θj-a
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (junction to case)
Thermal Resistance (junction to ambient air)
Parameter
DC Input Voltage Range
Output Voltage Range
Output Current Range*2
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Ratings
SI-8010GL
(8 or VO+3)*1 to 50
1 to 14
0.02 to 1.5*2
–30 to +125
–30 to +125
*1: The minimum value of an input voltage range is the higher of either 8V or VO+3V.
*2: Please be sure to let the output current run more than 20 mA. When using by less than 20 mA, there is a possibility that the output voltage becomes unstable.
■Recommended Operating Conditions
*1: Limited by thermal protection.
■Electrical Characteristics
Unit
V
%
kHZ
mV
mV
mV/°C
A
mA
µA
V
µA
Parameter
Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Temperature Coefficient
of Reference Voltage
Overcurrent Protection
Starting Current
Quiescent Circuit Current
Circuit Current at Output OFF
CE/SS*
Low Level Voltage
Terminal
Terminal Outflow
Current at Low Voltage
Symbol
VREF
Conditions
Eff
Conditions
FOSC
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VREF/∆Ta
IS
Conditions
Iq
Conditions
Iq(OFF)
Conditions
VSSL
ISSL
Conditions
(Ta=25°C)
*: Pin 2 is the CE/SS pin. Soft start at power on can be performed with a capacitor
connected to this pin.The output can also be turned ON/OFF with this pin. The output is
stopped by setting the voltage of this pin to VSSL or lower. CE/SS-pin voltage can be
changed with an open-collector drive circuit of a transistor.
When using both the soft-start and ON/OFF functions together, the discharge current
from C4 flows into the ON/OFF control transistor. Therefore, limit the current securely to
protect the transistor if C3 capacitance is large. The CE/SS pin is pulled up to the power
supply in the IC, so applying the external voltage is prohibited.
■Features
• DIP 8 pin package
• Output current: 1.5A
• High efficiency: 86% (at VIN = 20V, lO = 1A, VO
= 5V)
• Capable of downsize a choke-coil due to IC's
high switching frequency (250kHz). (Com-
pared with conventional Sanken devices)
• The output-voltage-variable type can vary its
output voltage from 1V to 14V because of its
low reference voltage (Vref) of 1V.
•Wide Input Voltage Range (8 to 50V)
• Output ON/OFF available
• Built-in overcurrent protection and thermal
protection circuits
Ratings
SI-8010GL (Variable type)
min.
typ.
max.
0.97
1.00
1.03
VIN=12V, IO=1A
86
VIN=20V, IO=1A, VO=5V
250
VIN=12V, IO=1A
20
40
VIN=10 to 30V, IO=1A
10
30
VIN=12V, IO=0.1 to 1.5A
±0.5
1.6
VIN=12V
7
VIN=12V, IO=0A
400
VIN=12V, VON/OFF=0.3V
0.5
50
VSSL=0V
Compact, Separate Excitation Step-down Switching Mode
SI-8000GL Series
■Applications
• Onboard local power supplies
•OA equipment
• For stabilization of the secondary-side output voltage of switching power supplies
SI-8000GL
SI-8000GL
CE/SS
2
CE/SS
2
CE/SS
C4
C4
2
VO. ON/OFF
Soft start
Soft start
+VO. ON/OFF
SI-8000GL
Unit
V
V
A
°C
°C


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