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参数资料
| 型号： | APW7093NI-TRL |
| 厂商： | ANPEC ELECTRONICS CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 3A, 1MHz, Step Down DC/DC Regulator |
| 中文描述： | SWITCHING REGULATOR, PDSO16 |
| 封装： | LEAD FREE, MO-137AB, SSOP-16 |
| 文件页数： | 4/20页 |
| 文件大小： | 728K |
| 代理商： | APW7093NI-TRL |
Copyright
ANPEC Electronics Corp.
Rev. A.5 - Jun., 2005
APW 7093
www.anpec.com.tw
4
APW7093
Min Typ Max
Symbol
Parameter
Test Conditions
Unit
V
IN
, V
CC
Input Voltage
3.0
5.5
V
Feedback Voltage Accuracy
(V
FB
–V
EXTREF
)
V
IN
=V
CC
=+3.0V to +5.5V,
I
LOAD
=0,V
EXTREF
=1.25V (Note2)
-12
+12 mV
V
FB
Feedback Load Regulation Error
I
LOAD
=-3A to +3A, V
EXTREF
=+1.25V
20
mV
V
EXTREF
External Reference Voltage Range V
IN
=V
CC
=+3.0 to +5.5V
V
REF
-
0.01
1.07
8
V
IN
-
1.7
1.12
2
V
V
REF
Reference Voltage
1.10
0
V
Reference Load Regulation
I
REF
= -1
μ
A to +10
μ
A
0.3
2
mV
V
IN
=+4.5V
V
IN
=+3.0V
V
IN
=+4.5V
70
90
50
60
140
180
100
120
R
PMOS
PMOS Switch On-Resistance
I
LX
=0.5A
m
R
NMOS
NMOS Switch On-Resistance
I
LX
=0.5A
V
IN
=+3.0V
m
I
LIMIT
Current Limit Threshold
V
IN
> V
LX
3.5
4.1
4.7
A
f
SW
Switching Frequency
(Note3)
f
SW
=500kHz
f
SW
=500kHz
1
MHz
I
CC
I
IN
1
32
No Load Supply Current
mA
I
SHDN
Shutdown Supply Current
SHDN = GND, I
CC
+ I
IN
<1
15
μ
A
Thermal Shutdown Threshold
Hysteresis =15
°
C
150
°
C
UVLO Under Voltage Lockout Threshold
V
CC
falling, hysteresis = 90mV
2.5
2.6
2.7
V
I
FB
FB Input Current
V
FB
=V
EXTREF
+0.1V
0
60
250
nA
R
TOFF
=30.1k
R
TOFF
=110k
R
TOFF
=499k
0.40 0.44 0.48
1.10 1.20 1.30
4.3
4.8
T
OFF
Off-Time
5.3
μ
s
Startup Off-Time
4
×
TOFF
μ
s
T
ON
On-Time
(Note3)
0.34
μ
s
I
SS
SS Source Current
4
5
6
μ
A
I
SS
SS Sink Current
V
SS
=1V
2
mA
SHDN Input Current
V
SHDN
=0, V
CC
-1
2.0
+1
0.8
3.1 A
RMS
μ
A
V
IL
V
IH
SHDN Logic Levels
V
I
OUT(RMS)
Maximum Output RMS Current
Electrical Characteristics
(V
IN
=V
CC
=3.3V, V
EXTREF
=+1.1V, T
A
=-45 to +85
o
C, unless otherwise noted, Typical values are at T
A
=+25
o
C.)
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