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FAN5071 数据表(PDF) 3 Page - Fairchild Semiconductor

部件名 FAN5071
功能描述  High Performance Programmable Synchronous DC-DC Controller for Multi-Voltage Platforms
Download  15 Pages
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

FAN5071 数据表(HTML) 3 Page - Fairchild Semiconductor

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PRODUCT SPECIFICATION
FAN5071
REV. 1.0.4 1/29/02
3
Absolute Maximum Ratings
Note 1: Component mounted on demo board in free air.
Recommended Operating Conditions
Supply Voltage VCCP to GND
15V
Supply Voltage VCCA to GND
13.5V
Voltage Identification Code Inputs, VID0-VID4
VCCA
All Other Pins
13.5V
Junction Temperature, TJ
150°C
Storage Temperature
-65 to 150°C
Lead Soldering Temperature, 10 seconds
300°C
Thermal Resistance Junction-to-case,
Θ 1
JA
75°C/W
Parameter
Conditions
Min.
Typ.
Max.
Units
Supply Voltage VCCA
4.50
5
5.25
V
Input Logic HIGH
2.0
V
Input Logic LOW
0.8
V
Ambient Operating Temperature
0
70
°C
Output Driver Supply, VCCP
10.8
12
13.2
V
Electrical Specifications
(VCCA = 5V, VCCP = 12V, VOUT = 1.425V, and TA = +25°C using circuits in Figure 1, unless otherwise noted.)
The • denotes specifications which apply over the full operating temperature range.
Parameter
Conditions
Min.
Typ.
Max. Units
VCC Regulator
Output Voltage
See Table I
1.05
1.825
V
Output Current
28
A
Initial Voltage Setpoint
ILOAD = 0.8A, VVID = 1.425V
1.453
1.465
1.477
V
Output Temperature Drift
TA = 0 to 70°C, VVID = 1.425V
-6
mV
Line Regulation
VIN = 4.75V to 5.25V
+10
mV/V
Internal Droop Impedance3
ILOAD = 0.8A to 30A
13.0
14.4
15.8
K
Maximum Programmable Droop
200
mV
Output Ripple
20MHz BW, ILOAD = 28A
20
mVpk
Total Output Variation, Steady State1 VVID = 1.425V3
1.360
1.490
V
Total Output Variation, Transient2
ILOAD = 0.8A to Imax, VVID = 1.425V
1.335
1.515
V
Short Circuit Detect Current
45
50
60
µA
Efficiency
ILOAD = 18A, VVID = 1.425V
83
%
Output Driver Rise & Fall Time
See Figure 3
50
nsec
Output Driver Deadtime
See Figure 3
50
nsec
Duty Cycle
0
100
%
5V UVLO
3.76
4
4.24
V
12V UVLO
7.65
8.5
9.35
V
Soft Start Current
5
10
17
µA


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