參數(shù)資料
型號: AT1305A-GRE
廠商: Aimtron Technology Corp.
英文描述: PFM Step-Up DC/DC Converter with LDO
中文描述: PFM步升直流/直流轉換器穩(wěn)壓器
文件頁數(shù): 3/13頁
文件大?。?/td> 464K
代理商: AT1305A-GRE
AT1305
Preliminary Product Information
PFM Step-Up DC/DC Converter with LDO
Absolute Maximum Ratings*1
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
2/8/2006 REV:1.1 Email:
service@aimtron.com.tw
3
(T
a
=+25
0
C)
Unit
Rated Value
Min.
Parameter
Symbol
Condition
Max.
6.0
6.0
6.0
6.0
2
400
500
Power supply voltage
LX pin voltage
OUT output voltage
Other I/O pin voltage
LX pin output current
LDO output Peak Current
Allowable dissipation
V
DD
V
LX
V
OUT
I
LX
I
LDO
P
D
V
V
V
V
A
mA
mW
TSSOP8
Operating temperature
Storage temperature
T
OP
T
stg
-30
-55
+85
+165
0
C
0
C
1. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other
conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect device reliability
.
Electrical Characteristics
(VIN=1.0V, VOUT =2.8V, IOUT=0mA ,Ta=+25
0
C)
Values
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Start-Up Voltage
V
ST
I
OUT
=1mA
0.7
0.8
-
V
Power On Reset
Threshold
V
DD
-
2
-
V
AT1305,AT1305A
2.0
-
5.5
V
Operating V DD
Range
V
DD
AT1305B
1.65
5.5
V
No-Load Input
Current
Switch- Off Input
Current
I
IN1
I
OUT
=0mA
-
87
-
μ
A
I
IN2
VIN=5V
-
32
50
μ
A
Shutdown Current
I
IN3
EN=0V, /ENPB=High
-
1
10
μ
A
Feedback Reference
V
FB
Close Loop V
DD
=2.85V
1.176
1.2
1.224
V
FB Input Current
I
FB
V
FB
=1.2V
-
-
50
nA
LX Switch On-time
F
S
V
OUT
=2.85V
-
1.75
-
μ
S
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