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SI9140CQ-T1-E3 Datasheet(PDF) 2 Page - Vishay Siliconix

Part # SI9140CQ-T1-E3
Description  MP Controller For High Performance Process Power Supplies
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI9140CQ-T1-E3 Datasheet(HTML) 2 Page - Vishay Siliconix

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Si9140
Vishay Siliconix
www.vishay.com
2
Document Number: 70026
S-40699—Rev. H, 19-Apr-04
ABSOLUTE MAXIMUM RATINGS
Voltages Referenced to GND.
VDD, VS
8 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PGND
"0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VDD to VS
−0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linear Inputs
−0.3 V to VDD +0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Logic Inputs
−0.3 V to VDD +0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Peak Output Drive Current
350 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature
−65 to 150_C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature
150_C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (Package)a
16-Pin SOIC (Y Suffix)\b
900 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16-Pin TSSOP (Q Suffix)c
925 mW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Impedance (
QJA)
16-Pin SOIC (Y Suffix)
140_C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16-Pin TSSOP (Q Suffix)
135_C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature
C Suffix
0_ to 70_C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D Suffix
−40_ to 85_C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes
a.
Device mounted with all leads soldered or welded to PC board.
b.
Derate 7.2 mW/_C above 25_C.
c.
Derate 7.4 mW/_C above 25_C.
*
Exposure to Absolute Maximum rating conditions for extended periods may affect device reliability. Stresses above Absolute Maximum rating may cause permanent
.
damage. Functional operation at conditions other than the operating conditions specified is not implied. Only one Absolute Maximum rating should be applied at any
one time
RECOMMENDED OPERATING RANGE
Voltages Referenced to GND.
VDD
3 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VS
3 V to 6.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
fOSC
20 kHz to 2 MHz
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ROSC
5 kW to 250 kW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
COSC
47 pF to 200 pF
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linear Inputs
0 to VDD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital Inputs
0 to VDD
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VREF Load Resistance
>150 kW
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS
Test Conditions
Unless Otherwise Specifieda
3 V v VDD v 6.5 V, VDD = VS
Limits
C Suffix 0 to 70_C
D Suffix −40 to 85_C
Parameter
Symbol
3 V v VDD v 6.5 V, VDD = VS
GND = PGND
Minb
Typ
Maxb
Unit
Reference
Output Voltage
VREF
IREF = −10 mA
1.455
1.545
V
Output Voltage
VREF
TA = 25_C
1.477
1.50
1.523
V
Oscillator
Maximum Frequencyc
fMAX
VDD = 5 V, COSC = 47 pF, ROSC = 5.0 kW
2.0
Accuracy
fOSC
VDD = 5 V
COSC = 100 pF, ROSC = 7.50 kW, TA = 25_C
0.85
1.0
1.15
MHz
ROSC Voltage
VROSC
1.0
V
Voltage Stabilityc
Df/f
4 V v VDD v 6 V, Ref to 5 V, TA = 25_C
−8
8
%
Temperature Stabilityc
Df/f
Referenced to 25_C
"5
%
Error Amplifier (COSC = GND, OSC DISABLED)
Input Bias Current
IFB
VNI = VREF , VFB = 1.0 V
−1.0
1.0
mA
Open Loop Voltage Gain
AVOL
47
55
dB
Offset Voltage
VOS
VNI = VREF
−15
0
15
mV
Unity Gain Bandwidthc
BW
10
MHz
Output Current
IEA
Source (VFB = 1 V, NI = VREF)
−2.0
−1.0
mA
Output Current
IEA
Sink (VFB = 2 V, NI = VREF)
0.4
0.8
mA
Power Supply Rejectionc
PSRR
3 V < VDD < 6.5 V
60
dB
UVLOSET Voltage Monitor
Under Voltage Lockout
VUVLOHL
UVLOSET High to Low
0.85
1.0
1.15
V
Under Voltage Lockout
VUVLOLH
UVLOSET Low to High
1.2
V
Hysteresis
VHYS
VUVLOLH − VUVLOHL
175
mV


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