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SDA 数据表(PDF) 3 Page - Exar Corporation

部件名 SDA
功能描述  Quad Channel Digital PWM/PFM Programmable Power Management System
PDF  29 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

SDA 数据表(HTML) 3 Page - Exar Corporation

  SDA Datasheet HTML 1Page - Exar Corporation SDA Datasheet HTML 2Page - Exar Corporation SDA Datasheet HTML 3Page - Exar Corporation SDA Datasheet HTML 4Page - Exar Corporation SDA Datasheet HTML 5Page - Exar Corporation SDA Datasheet HTML 6Page - Exar Corporation SDA Datasheet HTML 7Page - Exar Corporation SDA Datasheet HTML 8Page - Exar Corporation SDA Datasheet HTML 9Page - Exar Corporation Next Button
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background image
X
XR
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P7
77
72
24
4
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Qu
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d C
Ch
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an
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Diig
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PW
WM
M/
/P
PF
FM
M
P
Prro
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Po
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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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