參數(shù)資料
型號： FAN5094
廠商： Fairchild Semiconductor Corporation
英文描述： Multi-Phase Interleaved Buck Converter
中文描述： 多相交錯降壓轉(zhuǎn)換器
文件頁數(shù)： 4/22頁
文件大小： 182K
代理商： FAN5094
FAN5094
PRODUCT SPECIFICATION
4
REV. 1.0.2 5/13/02
Recommended Operating Conditions
Parameter
Output Driver Supply, Boot
VCC
Input Logic HIGH
Input Logic LOW
Ambient Operating Temperature
Conditions
See Figure 1
Min.
16
10.8
2.0
Typ.
Max.
17
13.2
Units
V
V
V
V
°
C
12
0.8
70
0
Electrical Speci
fi
cations
(V
CC
= 12V, V
OUT
= 1.500V, and T
The
denotes speci
fi
cations which apply over the full operating temperature range.
A
= +25
°
C using circuit in Figure 1, unless otherwise noted.)
Parameter
Conditions
Min.
1.100
Typ.
Max.
1.850
Units
V
A
V
V
mV
μ
V
mV
%V
V
Output Voltage
Output Current
Internal Reference Voltage
Initial Voltage Setpoint
Output Temperature Drift
Line Regulation
Droop
Programmable Droop Range
Total Output Variation, Steady
State
Total Output Variation,
Transient
Response Time
Gate Drive On-Resistance
Upper Drive Low Voltage
Upper Drive High Voltage
Lower Drive Low Voltage
Lower Drive High Voltage
Output Driver Rise & Fall Time
Current Mismatch
Output Overvoltage Detect
Efficiency
See Table I
60
1.4925
1.488
1.5000
1.500
+5
+130
-100
1.5075
1.512
I
T
V
I
LOAD
R
DROOP
I
LOAD
LOAD
= 0 to 70
= 11.4V to 12.6V
= 0.8A to I
= TBD to TBD
= 0.8A to I
= 0.8A
A
°
C
IN
3
max
-90
-10
1.430
-110
0
1.570
OUT
1
max
2
I
LOAD
= 0.8A to I
max
1.430
1.570
V
V
OUT
= 10mV
100
1.0
0.2
0.5
0.2
0.5
20
5
nsec
V
V
V
V
nsec
%
V
%
V
V
I
sink
V
CC
See Figure 2
R
DS,on
HDRV
–
V
–
V
SW
at I
sink
at I
= 10μA
BOOT
= 10μA
–
V
HDRV
source
= 10μA
LDRV
at I
source
= 10μA
(A) = R
DS,on
(B)
2.1
2.3
I
I
RT = 41.2K
RT = 125K
RT = 125K
RT=12.5K
V
VID
= 0.4V
LOAD
LOAD
= I
= 2A, E*-mode enabled
to 12.5K
max
,
85
70
600
Oscillator Frequency
Oscillator Range
Maximum Duty Cycle
Minimum LDRV on-time
Input Low Current, VID pins
Soft Start Current
Enable Threshold
450
200
750
2000
KHz
KHz
%
nsec
μA
μ
A
V
90
330
50
10
ON
OFF
0.4
4.75
220
1.0
BYPASS Voltage
BYPASS Capacitor
5
5.25
V
nF
1000
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