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SI-8005Q 数据表(PDF) 1 Page - Sanken electric

部件名 SI-8005Q
功能描述  Surface Mount, Current Mode Cntrol 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-8005Q 数据表(HTML) 1 Page - Sanken electric

  SI-8005Q Datasheet HTML 1Page - Sanken electric SI-8005Q Datasheet HTML 2Page - Sanken electric  
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30
ICs
1-1-3 DC/DC Converter ICs
Parameter
Reference Voltage
Temperature Coefficient of Reference Voltage
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection Starting Current
Quiescent Circuit Current
SS Pin
Outflow Current at Low Voltage
High Level Voltage
EN Pin
Low Level Voltage
Inflow Current at Low Low Voltage
Error Amplifier Voltage Gain
Error Amplifier Transformer Conductance
Current Sense Amplifier Impedance
Maximum ON Duty
Minimum ON Time
■Features
• Compact surface-mount package (HSOP8)
• Introduction of current mode control method
• Output current: 3.5 A
• High efficiency: 90% (Vo = 5 V)
• Built-in reference oscillator (500 kHz)
• A ceramic capacitor can be used for output
• Built-in drooping-type overcurrent and thermal
protection circuits
• Built-in soft start circuit
• Built-in on/off function (Active Hi)
• Low current consumption during off
■Applications
• DVD recorder, FPD-TV
• Onboard local power supplies
• OA equipment
Unit
V
W
°C
°C
°C/W
°C/W
Symbol
VIN
PD
Tj
Tstg
θj-c
θj-a
Parameter
Input Voltage
Power Dissipation*1
Junction Temperature*2
Storage Temperature
Thermal Resistance(junction to case)
Thermal Resistance(junction to ambient air)
■Absolute Maximum Ratings
Conditions
When mounted on glass-epoxy board, 30×30 mm (copper laminate area: 25×25 mm)
When mounted on glass-epoxy board, 30×30 mm (copper laminate area: 25×25 mm)
■Recommended Operating Conditions
*1: The minimum value of the input voltage range is 4.75 V or Vo +3 V, whichever is higher.
Parameter
DC Input Voltage Range
Output Voltage Range
Output Current Range
Operating Junction Temperature Range
Operating Temperature Range
Symbol
VIN
VO
IO
Tjop
Top
Unit
V
V
A
°C
°C
Ratings
SI-8005Q
Vo+3*1 to 28
0.5 to 24
0 to 3.5
–30 to +125
–30 to +85
*1: Limited by thermal protection circuit
*2: Note that the detection temperature for thermal protection is about 140°C.
Ratings
30
1.35
–30 to +150
–40 to +150
40
74
Symbol
VADJ
Conditions
∆VADJ/∆T
Conditions
η
Conditions
fo
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
IS
Conditions
Iq
Conditions
Iq(OFF)
Conditions
ISSL
Conditions
Vc/EN
Conditions
Vc/EL
Conditions
IC/EH
Conditions
AEA
GEA
1/GCS
DMAX
DMIN
■Electrical Characteristics
Unit
V
mV/ °C
%
kHz
mV
mV
A
mA
µA
µA
V
V
µA
V/V
µA/V
V/A
%
nsec.
(R1=4.2kΩ, R2=0.8kΩ when Ta = 25°C and Vo=5V)
*: Pin 8 is the SS pin. Soft start at power on can be performed with a capacitor connected to this pin.
The SS pin is pulled up to the power supply in the IC, so applying the external voltage is prohibited.
Conditions
Rating
SI-8005Q
min.
typ.
max.
0.485
0.500
0.515
VIN=12V, Io=1A
0.05
VIN=12V, Io=1A, Ta=–40 to +85°C
90
VIN=12V, Io=1A
450
500
550
VIN=16V, Io=1A
30
60
VIN=8 to 28V, Io=1A
30
60
VIN=12V, Io=0.1 to 3.5A
3.6
6.0
VIN=12V
18
VIN=12V, Io=0A, VEN=open
20
VIN=12V, Io=0A, VEN=0V
5
VIN=16V, VSSL=0V
2.8
VIN=12V
2.2
VIN=12V
5
VEN=0V
1000
800
0.35
92
100
SI-8008Q
SS
8
C8
Soft start
Surface Mount, Current Mode Cntrol Step-down Switching Mode
SI-8000Q Series


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