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SIP2802 Folha de dados(PDF) 3 Page - Vishay Siliconix

Nome de Peças SIP2802
Descrição Electrónicos  Low Power Consumption Current Mode Controller
PDF  11 Pages
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Fabricante Electrônico  VISHAY [Vishay Siliconix]
Página de início  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SIP2802 Folha de dados(HTML) 3 Page - Vishay Siliconix

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Document Number: 72660
S11-0598-Rev. E, 25-Apr-11
www.vishay.com
3
Vishay Siliconix
SiP2800, SiP2801, SiP2802, SiP2803, SiP2804, SiP2805
This datasheet is subject to change without notice.
THE PRODUCT DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Parameter
Symbol
Test Conditions Unless Specified
VCC = 10 V, RT = 100 k., CT = 330 pF
CREF = 0.1 µF, - 40 °C < TA < 85 °C
Limits
Unit
Min.a
Typ.b
Max.a
Error Amplifier
Input Voltage
VIN
COMP = 2.5 V
SiP2800 /
SiP2801 /
SiP2802 /
SiP2804
2.44
2.50
2.56
V
COMP = 2.0 V
SiP2803 /
SiP2805
1.95
2.00
2.05
Input Bias Current
IBIAS1
- 1
1
µA
Open Loop Gain
AV
60
80
dB
COMP Sink Current
ISINK
FB = 2.7 V, COMP = 1.1 V
0.3
3.5
mA
COMP Source Current
ISOURCE
FB = 1.8 V, COMP = VREF - 1.2 V
- 0.2
- 0.5
- 0.8
Gain Bandwidth
BW
2MHz
SPECIFICATIONS
SPECIFICATIONS
Parameter
Symbol
Test Conditions Unless Specified
VCC = 10 V, RT = 100 k., CT = 330 pF
CREF = 0.1 µF, - 40 °C < TA < 85 °C
Limits
Unit
Min.a
Typ.b
Max.a
PWM and Overcurrent Comparator
Maximum Duty Cycle
DMAX
SiP2800 /
SiP2802 /
SiP2803
97
99
100
%
SiP2801 /
SiP2804 /
SiP2805
48
49
50
Minimum Duty Cycle
DMIN
COMP = 0 V
0
Gainc
AV
0 < VCS < 0.8 V
1.2
1.65
1.9
V/V
Max. Input Signal
VIMAX
COMP = 5 V
0.9
1.0
1.1
V
Input Bias Current 2
IBIAS2
- 200
200
nA
COMP to CS Offset
CS = 0 V
0.45
0.90
1.35
V
CS Pin Blanking Time
50
100
150
ns
Overcurrent Comparator Fault
Threshold
1.47
1.73
Output
Output Voltage
VOL
I = 20 mA
All Parts
0.1
0.40
V
I = 200 mA
0.35
0.90
I = 50 mA, VCC = 5 V
SiP2803 /
SiP2805
0.15
0.40
I = 20 mA, VCC = 0 V
All Parts
0.70
1.20
VCC - VOH
I = - 20 mA
All Parts
0.15
0.40
I = - 200 mA
1.00
1.90
I = - 50 mA, VCC = 5 V
SiP2803 /
SiP2805
0.40
0.90
Rise Time
tr
CL = 1 nF
41
70
ns
Fall Time
tf
44
75



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