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SI-8000JD_11

更新时间： 2024-11-25 09:26:19
品牌 Logo 应用领域
三垦 - SANKEN 开关
页数 文件大小 规格书
2页 81K
描述
Surface-Mount, Separate Excitation Step-down Switching Mode

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中文翻译

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SI-8000JD_11 数据手册

 浏览型号SI-8000JD_11的Datasheet PDF文件第2页 
1-1-3 DC/DC Converter ICs  
SI-8000JD Series Surface-Mount, Separate Excitation Step-down Switching Mode  
■Features  
■Lineup  
• Surface-mount package (TO263-5)  
Part Number  
SI-8033JD  
3.3  
SI-8050JD  
5.0  
SI-8090JD  
9.0  
SI-8120JD  
12.0  
VO(V)  
• Output current: 1.5A  
IO(A)  
1.5  
• High efficiency: 77 to 88%  
• Requires only 4 discrete components  
■Absolute Maximum Ratings  
• Internally-adjusted phase correction and  
output voltage  
Parameter  
Symbol  
Ratings  
Unit  
V
Conditions  
DC Input Voltage  
VIN  
43  
• Capable of downsizing a choke-coil due to IC's  
high switching frequency (125 kHz). (Com-  
pared with conventional Sanken devices)  
Output Current  
IO  
1.5  
A
When mounted on glass-epoxy board 40 × 40 mm (copper  
area 100%)  
Power Dissipation*  
PD  
3
W
Junction Temperature  
Tj  
+125  
–40 to +125  
3
°C  
°C  
• Built-in foldback-overcurrent and thermal  
protection circuits  
Storage Temperature  
Tstg  
θj-c  
Thermal Resistance (Junction to Case)  
°C/W  
• Output ON/OFF available (Circuit current at  
Thermal Resistance (Junction to  
Ambient Air)  
When mounted on glass-epoxy board 40 × 40 mm (copper  
area 100%)  
θj-a  
33.3  
°C/W  
output OFF: 200µA max)  
*: Limited by thermal protection circuit  
• Soft start available by ON/OFF pin Conditions  
■Applications  
• Power supplies for telecommunication equipment  
• Onboard local power supplies, etc.  
■Recommended Operating Conditions  
Ratings  
SI-8050JD  
Parameter  
Symbol  
Unit  
V
Conditions  
SI-8033JD  
5.3 to 40  
6.3 to 40  
SI-8090JD  
11 to 40  
SI-8120JD  
14 to 40  
VIN1  
VIN2  
IO  
7 to 40  
8 to 40  
IO=0 to 1A  
IO=0 to 1.5A  
VIN≥VO+3V  
DC Input Voltage Range  
12 to 40  
15 to 40  
DC Output Current Range*  
0 to 1.5  
A
Operating Junction Temperature Range  
Operating Temperature Range*  
Tjop  
Top  
–30 to +125  
–30 to +125  
°C  
°C  
*: Limited by Ta–PD characteristics  
■Electrical Characteristics  
(Ta=25°C)  
Ratings  
Parameter  
Symbol  
SI-8033JD  
SI-8050JD  
SI-8090JD  
SI-8120JD  
typ.  
Unit  
min.  
typ.  
max.  
min.  
4.90  
typ.  
max.  
5.10  
min.  
8.82  
typ.  
max.  
9.18  
min.  
max.  
VO  
3.234  
3.30  
3.366  
5.00  
9.00  
11.76  
12.00  
12.24  
Output Voltage  
V
Conditions  
η
VIN=15V, IO=0.5A  
VIN=20V, IO=0.5A  
VIN=21V, IO=0.5A  
VIN=24V, IO=0.5A  
77  
VIN=15V, IO=0.5A  
125  
82  
VIN=20V, IO=0.5A  
125  
86  
VIN=21V, IO=0.5A  
125  
88  
VIN=24V, IO=0.5A  
125  
Efficiency  
%
Conditions  
f
Oscillation Frequency  
Line Regulation  
kHZ  
mV  
Conditions  
∆VOLINE  
Conditions  
∆VOLOAD  
Conditions  
∆VO/∆Ta  
IS1  
VIN=15V, IO=0.5A  
25  
VIN=20V, IO=0.5A  
40  
VIN=21V, IO=0.5A  
50  
VIN=24V, IO=0.5A  
60  
80  
100  
120  
130  
VIN=8 to 30V, IO=0.5A  
VIN=10 to 30V, IO=0.5A  
10 40  
VIN=15 to 30V, IO=0.5A  
10 40  
VIN=18 to 30V, IO=0.5A  
10 40  
10  
30  
Load Regulation  
mV  
VIN=15V, IO=0.2 to 0.8A  
±0.5  
VIN=20V, IO=0.2 to 0.8A  
VIN=21V, IO=0.2 to 0.8A  
VIN=24V, IO=0.2 to 0.8A  
Temperature Coefficient of Output Voltage  
±0.5  
±1.0  
±1.0  
mV/°C  
Overcurrent Protection  
Starting Current  
1.6  
1.6  
1.6  
1.6  
A
V
Conditions  
VSSL  
VIN=15V  
VIN=20V  
VIN=21V  
VIN=24V  
Low Level Voltage  
0.5  
0.5  
0.5  
0.5  
*
ON/OFF  
Outflow Current  
ISSL  
100  
100  
100  
100  
Pin  
µA  
mA  
µA  
at Low Voltage  
Conditions  
Iq  
VSSL=0V  
7
7
7
7
Conditions  
Iq(oFF)  
VIN=15V, Io=0A  
VIN=20V, Io=0A  
VIN=21V, Io=0A  
VIN=24V, Io=0A  
Quiescent Circuit Current  
200  
200  
VIN=20V, VON/OFF=0.3V  
200  
200  
Conditions  
VIN=15V, VON/OFF=0.3V  
VIN=21V, VON/OFF=0.3V  
VIN=24V, VON/OFF=0.3V  
*: 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.  
SI-8000JD  
SI-8000JD  
SI-8000JD  
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-collector 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.  
5
ON/OFF  
5
ON/OFF  
C3  
5
ON/OFF  
C3  
The ON/OFF pin is pulled up to the power supply in the IC, so applying the external voltage is  
prohibited.  
VOUT. ON/OFF  
Soft Start  
Soft Start  
+VOUT. ON/OFF  
ICs  
16  
12

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