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SI9120DY Fiches technique(PDF) 3 Page - Vishay Siliconix

No de pièce SI9120DY
Description  Universal Input Switchmode Controller
Download  6 Pages
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9120DY Fiches technique(HTML) 3 Page - Vishay Siliconix

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Si9120
Vishay Siliconix
Document Number: 70006
S-42042—Rev. H, 15-Nov-04
www.vishay.com
3
SPECIFICATIONSa
Specific Test Conditions
DISCHARGE = −VIN = 0 V,
LIMITS
D Suffix −40 to 85_C
Parameter
Symbol
DISCHARGE = −VIN = 0 V,
VCC = 10 V +VIN = 300 V
RBIAS = 390 kW, ROSC = 330 kW
TEMPB
MINC
TYPD
MAXC
Unit
Error Amplifier (Cont’d)
Dynamic Output Impedancee
ZOUT
Error Amp configured for 60 dB gain
Room
1000
2000
W
Output Current
IOUT
Source VFB = 3.4 V
Room
−2.0
−1.4
mA
Output Current
IOUT
Sink VFB = 4.5 V
Room
0.12
0.15
mA
Power Supply Rejection
PSRR
9.5 V v VCC v 13.5 V
Room
50
70
dB
Current Limit
Threshold Voltage
VSOURCE
VFB = 0 V
Room
1.0
1.2
1.4
V
Delay to Outpute
td
VSENSE = 1.5 V, See Figure 1
Room
100
150
ns
Pre-Regulator/Start-Up
Input Voltage
+VIN
IIN = 10 mA
Room
450
V
Input Leakage Current
+IIN
VCC w 9.4 V
Room
10
mA
VCC Pre-Regulator Turn-Off Threshold
Voltage
VREG
IPRE-REGULATOR = 10 mA
Room
7.8
8.6
9.4
V
Undervoltage Lockout
VUVLO
Room
7.0
8.1
8.9
V
VREG −VUVLO
VDELTA
Room
0.3
0.6
Supply
Supply Current
ICC
CL = 500 pF at Pin 5
Room
0.85
1.5
mA
Bias Current
IBIAS
Room
10
15
20
mA
Logic
SHUTDOWN Delaye
tSD
CL = 500 pF, VSENSE = −VIN
See Figure 2
Room
50
100
SHUTDOWN Pulse Widthe
tSW
Room
50
ns
RESET Pulse Widthe
tRW
See Figure 3
Room
50
ns
Latching Pulse Width
SHUTDOWN and RESET Lowe
tLW
See Figure 3
Room
25
Input Low Voltage
VIL
Room
2.0
V
Input High Voltage
VIH
Room
8.0
V
Input Current Input Voltage High
IIH
VIN = 10 V
Room
1
5
mA
Input Current Input Voltage Low
IIL
VIN = 0 V
Room
−35
−25
mA
Output
Output High Voltage
VOH
IOUT = −10 mA
Room
Full
9.7
9.5
V
Output Low Voltage
VOL
IOUT = 10 mA
Room
Full
0.3
0.5
V
Output Resistance
ROUT
IOUT = 10 mA, Source or Sink
Room
Full
20
25
30
50
W
Rise Timee
tr
CL = 500 pF
Room
40
75
ns
Fall Timee
tf
CL = 500 pF
Room
40
75
ns
Notes
a.
Refer to PROCESS OPTION FLOWCHART for additional information.
b.
Room = 25_C, Cold and Hot = as determined by the operating temperature suffix.
c.
The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
d.
Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
e.
Guaranteed by design, not subject to production test.
a.
250 V v +VIN 380 V place a 10-kW, 1/4-W resistor in series with a +VIN (Pin1).
380 V v +VIN 450 V place a 15-kW, 1/4-W resistor in series with a +VIN (Pin1).
Connect a 0.01-mfd capacitor between +VIN (Pin 1) and −VIN (Pin 6).


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