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SI9108 Fiches technique(PDF) 2 Page - Vishay Siliconix

No de pièce SI9108
Description  1-W High-Voltage Switchmode Regulator
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9108 Fiches technique(HTML) 2 Page - Vishay Siliconix

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Si9108
Vishay Siliconix
New Product
S-62188—Rev. A, 05-Apr-99
FaxBack 408-970-5600, request 70883
2
www.siliconix.com
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to -VIN (VCC < +VIN + 0.3 V)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 V
+VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 V
VDS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 V
ID (Peak) (300 µs pulse, 2% duty cycle). . . . . . . . . . . . . . . . . . . . . 2 A
ID (rms) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 mA
Logic Inputs (RESET, SHUTDOWN, OSC IN) . . -0.3 V to VCC + 0.3 V
Linear Inputs (FEEDBACK, SOURCE) . . . . . . . . . . . . . . -0.3 V to 7 V
HV Pre-Regulator Input Current (continuous) . . . . . . . . . . . . . . .5 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 125
°C
Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 85
°C
Junction Temperature (TJ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Power Dissipation (Package)a
14-Pin Plastic DIP (J Suffix)b. . . . . . . . . . . . . . . . . . . . . . . . . 750 mW
16-Pin Plastic Wide-Body SOIC (W Suffix)c . . . . . . . . . . . . . 900 mW
20-Pin PLCC (N Suffix)d . . . . . . . . . . . . . . . . . . . . . . . . . . . 1400 mW
Thermal Impedance (
Θ
JA)
14-Pin Plastic DIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
°C/W
16-Pin Plastic Wide-Body SOIC . . . . . . . . . . . . . . . . . . . . . . 140
°C/W
20-Pin PLCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
°C/W
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 6 mW/
°C above 25°C
c. Derate 7.2 mW/
°C above 25°C
d. Derate 11.2 mW/
°C above 25°C
RECOMMENDED OPERATING RANGE
Voltages Referenced to -VIN
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V to 13.5 V
+VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V to 120 V
fOSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 kHz to 1 MHz
ROSC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 kΩ to 1 MΩ
Linear Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VCC - 3 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to VCC
SPECIFICATIONSa
Parameter
Symbol
Test Conditions
Unless Otherwise Specified
DISCHARGE = -VIN = 0 V
VCC = 10 V, +VIN = 48 V
RBIAS = 820 kΩ , ROSC = 910 kΩ
Limits
D-Suffix, -40
°C to 85°C
Unit
Tempb
Minc
Typd
Maxc
Reference
Output Voltage
VR
OSC IN = VIN (OSC Disabled)
RL = 10 MΩ
Room
3.92
4.00
4.08
V
Output Impedancee
ZOUT
OSC IN = -VIN
Room
15
300
45
k
Short Circuit Current
ISREF
OSC IN = - VIN, VREF = -VIN
Room
70
100
130
µA
Temperature Stabilitye
TREF
OSC IN = -VIN
Full
0.25
1.0
mV/
°C
Long Term Stabilitye
t = 1000 hrs, TA = 125°C
Room
5.00
25.00
mV
Oscillator
Maximum Frequencye
fMAX
ROSC = 0
Room
1
3
MHz
Initial Accuracy
fOSC
See Note e
Room
32
40
48
kHz
Voltage Stability
∆f/f
∆f/f = f (13.5 V) - f (9.5 V)/f (9.5 V)
Room
10
15
%
Temperature Coefficiente
TOSC
Full
200
500
ppm/
°C
Error Amplifier
Feedback Input Voltage
VFB
FB Tied to COMP
OSC IN = -VIN (OSC Disabled)
Room
3.96
4
4.04
V
Input BIAS Current
IFB
OSC IN = -VIN, VFB = 4 V
Room
25
500
nA
Open Loop Voltage Gaine
AVOL
OSC IN = -VIN (OSC Disabled)
Room
60
80
dB
Input Offset Voltage
VOS
OSC IN = -VIN
Room
±15
±40
mV
Unity Gain Bandwidthe
BW
Room
0.5
0.8
MHz
Dynamic Output Impedance
ZOUT
Room
1
k
Output Current
IOUT
Source (VFB = 3.4 V)
Room
-1.2
-0.32
mA
Sink (VFB = 4.5 V)
Room
0.05
0.08
Power Supply Rejection
PSRR
10 V
≤ V
CC ≤ 13.5 V
Room
70
dB


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