參數(shù)資料
型號： LTC3464
廠商： Linear Technology Corporation
英文描述： 1.2MHz Step-Up DC/DC Converter in SOT-23
中文描述： 1.2MHz升壓型DC / DC轉(zhuǎn)換器采用SOT - 23
文件頁數(shù)： 2/12頁
文件大?。?/td> 152K
代理商： LTC3464
2
LTC3426
3426f
A
(Note 1)
U
G
W
A
W
U
W
A
R
BSOLUTE
XI
TI
S
V
IN
Voltage ................................................. –0.3V to 6V
SW Voltage..................................................–0.3V to 6V
SHDN, FB Voltage....................................... –0.3V to 6V
V
OUT
........................................................... –0.3V to 6V
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Storage Temperature Range.................–65
°
C to 125
°
C
Lead Temperature (Soldering, 10 sec)................ 300
°
C
T
JMAX
= 125
°
C,
θ
JA
= 165
°
C/W,
θ
JC
= 102
°
C/W
ORDER PART
NUMBER
LTC3426ES6
Consult LTC Marketing for parts specified with wider operating temperature ranges.
PACKAGE/ORDER U
U
W
PARAMETER
Input Voltage Range
Output Voltage Adjust Range
Feedback Voltage
Feedback Input Current
Quiescent Current (Shutdown)
Quiescent Current
Switch Leakage
Switch On Resistance
CONDITIONS
SHDN = V
IN
MIN
1.6
2.25
1.173
TYP
MAX
4.3
5
1.247
0.1
1
1000
10
UNITS
V
V
V
●
1.22
V
FB
= 1.23V
V
SHDN
= 0V, Not Including Switch Leakage
SHDN = V
IN
, Not Switching
V
SW
= 5V
V
OUT
= 3.3V
V
OUT
= 5V
μ
A
μ
A
μ
A
μ
A
600
0.2
0.11
0.10
2.3
85
1.2
A
%
Current Limit
Maximum Duty Cycle
Switching Frequency
SHDN Input High
SHDN Input Low
SHDN Input Current
●
2
V
FB
= 1.15V
80
0.85
1
●
1.5
MHz
V
V
0.4
1
SHDN = 5.5V
μ
A
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 1.8V, V
OUT
= 3.3V, unless otherwise specified.
CO VERTER CHARACTERISTICS
U
SW 1
GND 2
FB 3
6 V
IN
5 V
OUT
4 SHDN
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
S6 PART
MARKING
LTAJT
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC3426 is guaranteed to meet performance specifications
from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C operating
temperature are assured by design, characterization and correlation with
statistical process controls.
Note 3:
This IC includes overtemperature protection that is intended to
protect the device during momentary overload conditions. Junction
temperature will exceed 125
°
C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
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