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參數(shù)資料
| 型號： | FAN5070 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | High Performance Programmable Synchronous DC-DC Controller |
| 中文描述： | 高性能可編程同步DC - DC控制器 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大小： | 147K |
| 代理商： | FAN5070 |
FAN5070
REV. 1.0.1 8/7/01
3
Absolute Maximum Ratings
Note 1:
Component mounted on demo board in free air.
Recommended Operating Conditions
Supply Voltage V
CCP
to GND
Supply Voltage V
CCA
to GND
Voltage Identification Code Inputs, VID0-VID4
All Other Pins
Junction Temperature, T
J
Storage Temperature
Lead Soldering Temperature, 10 seconds
Thermal Resistance Junction-to-case,
Θ
1JA
15V
13.5V
VCCA
13.5V
150°C
-65 to 150°C
300°C
75°C/W
Parameter
Supply Voltage V
CCA
Input Logic HIGH
Input Logic LOW
Ambient Operating Temperature
Output Driver Supply, V
CCP
Conditions
Min.
4.50
2.0
Typ.
5
Max.
5.25
Units
V
V
V
°C
V
0.8
70
13.2
0
10.8
12
Electrical Specifications
(V
CCA
= 5V, V
CCP
= 12V, V
OUT
= 1.425V, and T
A
= +25°C using circuits in Figure 1, unless otherwise noted.)
The denotes specifications which apply over the full operating temperature range.
Parameter
Output Voltage
Output Current
Initial Voltage Setpoint
Output Temperature Drift
Line Regulation
Internal Droop Impedance
3
Maximum Programmable Droop
Output Ripple
Total Output Variation, Steady State
1
V
VID
= 1.425V
3
Total Output Variation, Transient
2
Short Circuit Detect Current
Efficiency
Output Driver Rise & Fall Time
Output Driver Deadtime
Duty Cycle
5V UVLO
12V UVLO
Oscillator Frequency
PWRGD Threshold
4
Switcher
Conditions
Min.
1.05
Typ.
Max.
1.825
Units
V
A
V
mV
mV/V
K
mV
mVpk
V
V
μA
%
nsec
nsec
%
V
V
kHz
%
See Table I
28
I
LOAD
= 0.8A, V
VID
= 1.425V
T
A
= 0 to 70°C, V
VID
= 1.425V
V
IN
= 4.75V to 5.25V
I
LOAD
= 0.8A to 30A
1.453
1.465
-6
+10
14.4
1.477
13.0
200
15.8
20MHz BW, I
LOAD
= 28A
20
1.360
1.335
45
1.490
1.515
60
I
LOAD
= 0.8A to I
max
, V
VID
= 1.425V
50
83
50
50
I
LOAD
= 18A, V
VID
= 1.425V
See Figure 3
See Figure 3
0
100
4.24
9.35
345
112
120
3.76
7.65
255
88
80
4
8.5
300
Logic HIGH [V
VID
+ 85mV]
Logic LOW [V
VID
–155mV]
HIGH
→
LOW
PWRGD Delay Switcher
PWRGD Hysteresis Switcher
6
25
μsec
mV
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