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SCL Datasheet(PDF) 3 Page - Exar Corporation

No. de pieza SCL
Descripción Electrónicos  Quad Channel Digital PWM/PFM Programmable Power Management System
PDF  29 Pages
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Fabricante Electrónico  EXAR [Exar Corporation]
Página de inicio  http://www.exar.com
Logo EXAR - Exar Corporation

SCL Datasheet(HTML) 3 Page - Exar Corporation

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© 2012 Exar Corporation
3/29
Rev. 1.0.1
INPUT VOLTAGE RANGE AND UNDERVOLTAGE LOCKOUT
Parameter
Min.
Typ.
Max.
Units
Conditions
VCC Range
5.5
25
V
•
4.75
5.5
V
•
With VCC connected to LDO5
VOLTAGE FEEDBACK ACCURACY AND OUTPUT VOLTAGE SET POINT RESOLUTION
Parameter
Min.
Typ.
Max.
Units
Conditions
VOUT Regulation Accuracy
Low Output Range
0.6V to 1.6V
PWM Operation
-5
5
mV
0.6 ≤ VOUT ≤ 1.6V
-20
20
mV
•
-7.5
7.5
mV
0.6 ≤ VOUT ≤ 1.6V
VCC=LDO5
-22.5
22.5
mV
•
VOUT Regulation Accuracy
Mid Output Range
0.6V to 3.2V
PWM Operation
-15
15
mV
0.6 ≤ VOUT ≤ 3.2V
-45
45
mV
•
-20
20
mV
0.6 ≤ VOUT ≤ 3.2V
VCC=LDO5
-50
50
mV
•
VOUT Regulation Accuracy
High Output Range
0.6V to 5.5V
PWM Operation
-30
30
mV
0.6 ≤ VOUT ≤ 5.5V
-90
90
mV
•
-40
40
mV
0.6 ≤ VOUT ≤ 4.2V
VCC=LDO5
-100
100
mV
•
VOUT Regulation Range
0.6
5.5
V
•
Without external divider network
VOUT Native Set Point
Resolution
12.5
25
50
mV
Low Range
Mid Range
High Range
VOUT Fine Set Point Resolution1
2.5
5
10
mV
Low Range
Mid Range
High Range
VOUT Input Resistance
120
90
75
kΩ
Low Range
Mid Range
High Range
VOUT Input Resistance in PFM
Operation
10
1
0.67
MΩ
Low Range
Mid Range
High Range
Power Good and OVP Set Point
Range (from set point)
-155
-310
-620
157.5
315
630
mV
Low Range
Mid Range
High Range
Power Good and OVP Set Point
Accuracy
-5
-10
-20
5
10
20
mV
Low Range
Mid Range
High Range
BFB Set Point Range
9
16
V
BFB Set Point Resolution
1
V
BFB Accuracy
-0.5
0.5
V
Note 1: Fine Set Point Resolution not available in PFM



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