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

部件名 SI-8000JF
功能描述  Full-Mold, 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-8000JF 数据表(HTML) 1 Page - Sanken electric

  SI-8000JF_11 Datasheet HTML 1Page - Sanken electric SI-8000JF_11 Datasheet HTML 2Page - Sanken electric  
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34
ICs
1-1-3 DC/DC Converter ICs
*5: Pin 5 is the ON/OFF 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. ON/OFF-pin voltage can be changed with an open-collec-
tor drive circuit of a transistor. When using both the soft-start and ON/OFF functions together,
the discharge current from C3 flows into the ON/OFF control transistor. Therefore, limit the
current securely to protect the transistor if C3 capacitance is large. The ON/OFF pin is pulled
up to the power supply in the IC, so applying the external voltage is prohibited. If this pin is not
used, leave it open.
*1: Reference voltage for SI-8015JF
*3: Temperature Coefficient of Reference Voltage for SI-8015JF
*2: VREF for SI-8015JF
*4: ∆VREF/∆Ta for SI-8015JF
SI-8000JF
SI-8000JF
ON/OFF
5
ON/OFF
5
ON/OFF
C3
C3
5
VOUT. ON/OFF
Soft start
Soft start
+VOUT. ON/OFF
SI-8000JF
■Lineup
Part Number
SI-8015JF
SI-8033JF
SI-8050JF
SI-8120JF
VO (V)*
1.59
3.3
5.0
12.0
IO (A)
1.5
■Absolute Maximum Ratings
Unit
V
W
W
°C
°C
°C/W
Ratings
43
16.6 (with infinite heatsink)
1.5 (without heatsink, standalone operation)
+125
–40 to +125
6.0
Symbol
VIN
PD1
PD2
Tj
Tstg
θj-c
Parameter
DC Input Voltage
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
■Recommended Operating Conditions
Parameter
DC Input Voltage Range
Output Current Range
Operating Junction Temperature Range
Symbol
VIN1
VIN2
IO
Tjop
Unit
V
V
A
°C
Ratings
SI-8015JF*
SI-8033JF
SI-8050JF
SI-8120JF
VO+2 to 40
5.3 to 40
7 to 40
14 to 40
VO+3 to 40
6.3 to 40
8 to 40
15 to 40
0 to 1.5
–30 to +125
■Features
• Compact full-mold package (equivalent to
TO220)
• Output current: 1.5A
• High efficiency: 67 to 88%
• Requires only 4 discrete components
• Internally-adjusted phase correction and
output voltage
• Capable of downsize a choke-coil due to IC's
high switching frequency (125kHz).
(Compared with conventional Sanken devices)
• Built-in foldback-overcurrent and thermal
protection circuits
• Output ON/OFF available (circuit current at
output OFF: 200µA max.)
• Soft start available by ON/OFF pin
* SI-8015JF is a variable output voltage type. The variable output voltage range is from 2.5 V to 24 V.
■Electrical Characteristics
(Ta=25°C)
Conditions
IO=0 to 1A
IO=0 to 1.5A
VIN≥VO+3V
Full-Mold, Separate Excitation Step-down Switching Mode
SI-8000JF Series
■Applications
• Power supplies for telecommunication equipment
• Onboard local power supplies
* VREF(V) for SI-8015JF
Unit
V
%
kHZ
mV
mV
mV/
°C
A
V
µA
mA
µA
Parameter
Output Voltage*1
Efficiency
Oscillation Frequency
Line Regulation
Load Regulation
Overcurrent Protection
Starting Current
ON/OFF*5
Low Level Voltage
Terminal
Outflow Current
at Low Voltage
Quiescent Circuit
Current
Symbol
VO*2
Conditions
η
Conditions
f
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
∆VO/∆Ta*4
IS1
Conditions
VSSL
ISSL
Conditions
Iq
Conditions
Iq(OFF)
Conditions
Ratings
SI-8015JF
SI-8033JF
SI-8050JF
SI-8120JF
min.
typ.
max.
min.
typ.
max.
min.
typ.
max.
min.
typ.
max.
1.558
1.59
1.622
3.234
3.30
3.366
4.90
5.00
5.10
11.76
12.00
12.24
VIN=12V, IO=0.5A
VIN=15V, IO=0.5A
VIN=20V, IO=0.5A
VIN=24V, IO=0.5A
67
77
82
88
VIN=12V, IO=0.5A
VIN=15V, IO=0.5A
VIN=20V, IO=0.5A
VIN=24V, IO=0.5A
125
125
125
125
VIN=12V, IO=0.5A
VIN=15V, IO=0.5A
VIN=20V, IO=0.5A
VIN=24V, IO=0.5A
25
80
25
80
40
100
60
130
VIN=8 to 30V, IO=0.5A
VIN=8 to 30V, IO=1.0A
VIN=10 to 30V, IO=1.0A
VIN=18 to 30V, IO=1.0A
10
30
10
30
10
40
10
40
VIN=12V, IO=0.2 to 0.8A
VIN=15V, IO=0.5 to1.5A
VIN=20V, IO=0.5 to 1.5A
VIN=24V, IO=0.5 to 1.5A
±0.5
±0.5
±0.5
±1.0
1.6
1.6
1.6
1.6
VIN=12V
VIN=15V
VIN=20V
VIN=24V
0.5
0.5
0.5
0.5
100
100
100
100
VSSL=0V
VSSL=0V
VSSL=0V
VSSL=0V
77
7
7
VIN=12V, IO=0A
VIN=15V, IO=0A
VIN=20V, IO=0A
VIN=24V, IO=0A
200
200
200
200
VIN=12V, VON/OFF=0.3V
VIN=15V, VON/OFF=0.3V
VIN=20V, VON/OFF=0.3V
VIN=24V, VON/OFF=0.3V
Temperature Coefficient of
Output Voltage*3


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