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參數(shù)資料
| 型號： | LT3472 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Inverting Micropower DC/DC Converter with Schottky in ThinSOT Package |
| 中文描述： | 反向微功率DC / DC變換器的ThinSOT封裝的肖特基 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 150K |
| 代理商： | LT3472 |
2
LT3483
3483f
(Note 1)
V
IN
Voltage ............................................................. 16V
SW Voltage............................................................. 40V
D Voltage.............................................................. –40V
FB Voltage ............................................................. 2.5V
SHDN Voltage......................................................... 16V
Operating Ambient Temperature Range
(Note 2) .................................................. –40
°
C to 85
°
C
Junction Temperature.......................................... 125
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
LT3483ES6
ORDER PART
NUMBER
S6 PART MARKING
LTBKX
T
= 125
°
C,
θ
= 256
°
C/W IN FREE AIR
θ
JA
= 120
°
C/W ON BOARD OVER GROUND PLANE
SW 1
GND 2
FB 3
6 V
IN
5 D
4 SHDN
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
PARAMETER
V
IN
Operating Range
V
IN
Undervoltage Lockout
FB Comparator Trip Voltage to GND (V
FB
)
FB Output Current (Note 3)
FB Comparator Hysteresis
Quiescent Current in Shutdown
Quiescent Current (Not Switching)
I
FB
Line Regulation
Switch Off-Time
Switch Current Limit
Switch V
CESAT
Switch Leakage Current
Rectifier Leakage Current
Rectifier Forward Drop
SHDN Input Low Voltage
SHDN Input High Voltage
SHDN Pin Current
CONDITIONS
MIN
2.5
TYP
MAX
16
2.4
12
–9.75
UNITS
V
V
2
5
FB Falling
FB = V
FB
– 5mV
FB Rising
V
SHDN
= GND
FB = –0.05V
2.5V
≤
V
IN
≤
16V
●
0
mV
μ
A
mV
μ
A
μ
A
%/V
ns
mA
mV
μ
A
μ
A
●
–10.15
–10
10
1
40
50
0.07
300
200
200
170
230
I
SW
= 150mA to GND
SW = 40V
D = –40V
I
D
= 150mA to GND
1
4
0.64
V
V
V
0.4
1.5
6
10
μ
A
The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
= 25
°
C.
V
IN
= 3.6V, V
SHDN
= 3.6V unless otherwise specified.
ELECTRICAL CHARACTERISTICS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC3483E is guaranteed to meet specifications from 0
°
C to
70
°
C. Specifications over the –40
°
C to 85
°
C operating temperature range
are assured by design, characterization and correlation with statistical
process controls.
Note 3:
Current flows out of the pin.
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