參數(shù)資料
型號(hào)： ML6554
廠商： Fairchild Semiconductor Corporation
英文描述： 3A Bus Termination Regulator
中文描述： 3A條總線終端穩(wěn)壓器
文件頁(yè)數(shù)： 3/14頁(yè)
文件大?。?/td> 386K
代理商： ML6554
PRODUCT SPECIFICATION
ML6554
REV. 1.1.3 3/8/02
3
Absolute Maximum Ratings
Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum
ratings are stress ratings only and functional device operation is not implied.
Operating Conditions
Electrical Characteristics
Unless otherwise speci
fi
ed, AV
CC
= V
DD
= PV
DD
= 3.3V ±10%, TA = Operating Temperature Range (Note 1)
Notes
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
2. Infinite heat sink
Parameter
Min.
Max.
4.5
+ 0.3
3.0
150
150
150
2
3.0
Units
V
V
A
°
C
°
C
°
C
°
C/W
A
PV
Voltage on Any Other Pin
Average Switch Current (I
Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
Thermal Resistance (
Output Current, Source or Sink
DD
GND
–
0.3
V
IN
AVG
)
-65
θ
JC
)(Note 2)
Parameter
Min.
0
-40
2.0
1.4
Max.
70
+85
4.0
4.0
Units
°
C
°
C
V
V
Temperature Range, CU suffix
Temperature Range, IU suffix
PV
DD
Operating Range
V
CCQ
Operating Range
Symbol
Switching Regulator
V
TT
Parameter
Conditions
Min.
Typ.
Max. Units
Output Voltage, SSTL_2
(See Figure 1)
I
V
OUT
REF
= 0,
= open
V
V
V
V
V
V
V
V
V
V
CCQ
= 2.3V
= 2.5V
= 2.7V
= 2.3V
= 2.5V
= 2.7V
= 2.3V 1.139
= 2.5V 1.238
= 2.7V 1.337
= 0
1.12
1.22
1.32
1.09
1.19
1.28
1.15
1.25
1.35
1.15
1.25
1.35
1.15
1.25
1.35
100
1.18
1.28
1.38
1.21
1.31
1.42
1.162
1.263
1.364
V
V
V
V
V
V
V
V
V
k
CCQ
CCQ
I
V
OUT
REF
= ±3A,
= open
CCQ
CCQ
CCQ
VREF
OUT
Internal Resistor Divider
I
OUT
= 0
CCQ
CCQ
CCQ
Z
IN
V
Impedance
Switching Frequency
Offset Voltage V
REF
Reference Pin Input
CCQ
650
kHz
mV
Supply
I
Q
V
OFFSET
TT
–
VREF
OUT
AV
CC
= 2.5V No Load V
CCQ
= 2.5
–
20
20
Quiescent Current
I
V
OUT
CCQ
= 0, no load
= 2.5V
I
I
I
I
I
I
VCCQ
6
10
1.0
0.5
1.0
1.0
250
μA
mA
mA
mA
mA
μA
AVCC
0.5
0.2
0.25
0.2
100
AVCC
SD
VDD
VDD
SD
PVDD
Buffer
I
REF
Output Load Current
3
mA
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