SI-8050Y [SANKEN]
Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs; 全模，励降压开关模式稳压器集成电路
| 型号： | SI-8050Y |
| 厂家： | 
SANKEN ELECTRIC |
| 描述： | Full-Mold, Separate Excitation Step-down Switching Mode Regulator ICs |
| 文件： | 总2页 (文件大小：87K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1-1-3 DC/DC Converter ICs
SI-8000Y Series CFu
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■Features
■Absolute Maximum Ratings
• Compact (equivalent to TO220) full-mold
Parameter
Input Voltage
Symbol
VIN
Ratings
Unit
V
package
45
• Output current: 8.0 A
PD1
PD2
Tj
20.8(With infinite heatsink)
W
Power Dissipation
1.8(Without heatsink, stand-alone operation)
W
• High efficiency: 86%
Junction Temperature
–30 to +150
–40 to +150
6
°C
• Built-in reference oscillator (130 kHz)
Storage Temperature
Tstg
θj-c
°C
• Built-in drooping-type-overcurrent protection
and thermal protection circuits
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
°C/W
°C/W
θj-a
66.7
• Built-in soft start circuit (Output ON/OFF
available)
• Low current consumption during off
■Applications
• AV equipment
• OA equipment
• Gaming equipment
• Onboard local power supplies
■Recommended Operating Conditions
Raings
0 to 8.0
Parameter
Symbol
Unit
SI-8010Y
8 or VO+3* to 43
1 to 15
SI-8050Y
8 to 43
5
Input Voltage Range
VIN
Vo
V
V
Output Voltage Range
Output Current Range
Io
A
Operating Junction Temperature Range
Operating Temperature Range
Tjop
Top
–30 to +135
–30 to +85
°C
°C
*: The minimum value of the input voltage range is 8 V or Vo + 3V, whichever is higher.
■Electrical Characteristics
Ratings
Parameter
Symbol
SI-8010Y*
SI-8050Y
Unit
mIN.
0.98
typ.
1.00
max.
1.02
mIN.
4.90
typ.
5.00
max.
5.10
VO(VREF)
Output Voltage
(Reference voltage for SI-8010Y)
V
mV/°C
%
Conditions
VIN=30V, Io=0.1A
±0.1
VIN=30V, Io=0.1A
±0.5
∆VO/∆T(∆VREF/∆T)
Temperature Coefficient of Output Voltage
(Reference voltage temperature coefficient for SI-8010Y)
Conditions
VIN=30V, Io=0.1A, Ta=0 to 100°C
VIN=30V, Io=0.1A, Ta=0 to 100°C
η
86
VIN=30V, Io=3A
130
86
VIN=30V, Io=3A
130
Efficiency
Conditions
fo
Oscillation Frequency
Line Regulation
kHz
mV
mV
A
Conditions
VIN=30V, Io=3A
30
VIN=30V, Io=3A
30
∆VOLINE
90
90
90
90
Conditions
VIN=10 to 43V, Io=3A
30
VIN=10 to 43V, Io=3A
30
∆VOLOAD
Conditions
Is
Load Regulation
VIN=30V, Io=0.1 to 8A
VIN=30V, Io=0.1 to 8A
8.1
8.1
Overcurrent Protection Starting Current
Conditions
Iq
VIN=20V
VIN=20V
8
8
VIN=30V, Io=0A, EN/SS=open
200
mA
µA
Conditions
Iq(OFF)
VIN=30V, Io=0A, EN/SS=open
Quiescent Circuit Current
200
500
30
500
30
Conditions
ISSL
VIN=30V, EN/SS=0V
10
VIN=30V, EN/SS=0V
10
Outflow Current at
Low Voltage
µA
Conditions
VSSL
VIN=30V, EN/SS=0V
VIN=30V, EN/SS=0V
EN/SS Pin*
0.5
0.5
Low Level Voltage
V
Conditions
AEA
VIN=30V
300
VIN=30V
300
Error Amplifier Voltage Gain
Error Amplifier Transformer Conductance
Current Sense Amplifier Impedance
Maximum ON Duty
V/V
µA/V
V/A
%
GEA
800
800
1/GCS
DMAX
DMIN
0.16
92
0.16
92
Minimum ON Time
200
200
nsec
*:R1=8kΩ, R2=2kΩ when Ta=25°C and Vo=5V
SI-8000Y
SI-8000Y
5
SS
C6
5 SS
C6
Soft start
Soft start
+VOUT. ON/OFF
ICs
48
SI-8000Y Series
■External Dimensions (TO220F-7)
(Unit : mm)
10.0±0.2
4.2±0.2
2.8±0.2
Gate burr
Pin Assignment
φ
q
w
e
r
t
y
u
BS
SW
7.6±0.1
(Measured at the root)
VIN
(3-R1)
6-0.74±0.15
GND
COMP
FB
+0.2
6-0.65
R-end
–0.1
EN/SS
+0.2
Plastic Mold Package Type
Flammability: UL94V-0
0.45
–0.1
6
×
P1.27±0.15–7.62±0.15
4.3±0.5
3.6±0.5
(Measured at the root)
Product Mass: Approx. 2.3g
0.5
0.5
1 2 3 4 5 6 7
Plan View
■Block Diagram
SI-8010Y
SI-8050Y
3
3
IN
IN
Current
Sence
Amp
Current
Sence
Amp
Pre
Pre
OSC
OSC
REG
REG
1
2
6
1
Boot
5vREG
Boot
5vREG
BS
BS
+
–
+
–
DRIVE
DRIVE
PWM
LOGIC
PWM
LOGIC
7
5
7
5
2
EN/
SS
EN/
SS
UVLD
TSD
OCP
UVLD
TSD
OCP
SW
FB
SW
EN/SS
EN/SS
6
COMP
COMP
–
–
+
–
–
+
1.0V
1.0V
FB
Amp
Amp
GND
4
GND
4
■Typical Connection Diagram
Csn1
Csn1
Rsn1
Rsn1
Vin
Vin
C5
2
C5
3
1
3
1
L1
L1
Vo
2
Vo
IN
BS
IN
BS
SW
FB
SW
FB
7
7
C1 C2
C1 C2
+
+
SI-8010Y
SI-8050Y
D1
D1
EN/SS
EN/SS
R1
R2
6
6
C3
+
C3
+
COMP GND
COMP GND
C6
C6
5
4
5
4
Csn2
Rsn2
Csn2
Rsn2
C4
R3
C4
R3
C7
C7
GND
GND
GND
GND
SI-8010Y
SI-8050Y
C1:2200µF/50V
C2:4.7µF/50V
C3:470µF/25V
C4:1200pF
C1:2200µF/50V
C2:4.7µF/50V
C3:470µF/25V
C4:1200pF
Csn1,2=2200pF (When Vin>40V)
Rsn1,2=10Ω (When Vin>40V)
Csn1,2=2200pF (When Vin>40V)
Rsn1,2=10Ω (When Vin>40V)
C5:0.22µF/50V
C7:680pF
L1:47µH
C5:0.22µF/50V
C7:680pF
L1:56µH
D1:FMW-2156 (Sanken)
R1:8kΩ (When Vo=5V)
R2:2kΩ
D1:FMW-2156 (Sanken)
R3:39kΩ
R3:39kΩ
ICs
49
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