參數(shù)資料
型號(hào): LT1941EFE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Triple Monolithic Switching Regulator
中文描述: 6 A SWITCHING REGULATOR, 1350 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 4.40 MM, PLASTIC, TSSOP-28
文件頁數(shù): 2/24頁
文件大小: 336K
代理商: LT1941EFE
2
LT1941
1941f
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
FE PACKAGE
28-LEAD PLASTIC TSSOP
T
JMAX
= 125
°
C,
θ
JA
= 25
°
C/W
EXPOSED PAD (PIN 29) IS GND
MUST BE SOLDERED TO PCB
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
IN
V
IN
SW1
SW1
BOOST1
PGOOD1
V
C1
FB1
PGOOD2
V
C2
FB2
RUN/SS1
RUN/SS2
RUN/SS3
BIAS2
SW3
PGND
V
IN
BOOST2
SW2
V
IN
PGOOD3
FB3
NFB
V
C3
5GOOD
12GOOD
BIAS1
29
ORDER PART
NUMBER
The
G
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
, V
BIAS1
, V
BIAS2
= 5V, V
BOOST1
, V
BOOST2
= 8V, unless otherwise noted. (Note 2)
PARAMETER
CONDITIONS
Minimum Operating Voltage
V
IN
Quiescent Current
Not Switching
BIAS1 Quiescent Current
Not Switching
BIAS2 Quiescent Current
Not Switching
Shutdown Current
V
RUNSS1,2,3
= 0V
Reference Voltage Line Regulation
5V < V
IN
< 25V
V
C
Source Current
V
C
= 0.6V
V
C
Sink Current
V
C
= 0.6V
V
C
Clamp Voltage
Switching Frequency
Switching Phase
SW1 to SW2
SW1 to SW3
Foldback Frequency
V
FB
= 0V
RUN/SS Current
RUN/SS Threshold
5GOOD Threshold
V
IN
Rising
5GOOD Voltage Output Low
I
5GOOD
= 125
μ
A, V
IN
= 4V
5GOOD Leakage
V
5GOOD
= 2V
12GOOD Threshold
V
IN
Rising
(Note 1)
V
IN
Pin ...................................................... (–0.3V), 25V
BOOST Pin Voltage .................................................. 35V
BOOST Above SW Pin .............................................. 25V
BIAS1, BIAS2 Pins ................................................... 25V
PGOOD, 5GOOD, 12GOOD Pins ............................... 25V
RUN/SS, V
C
, FB, NFB Pins.......................................... 3V
SW1, SW2 Voltage.................................................... V
IN
SW3 Voltage ............................................................ 40V
Maximum Junction Temperature (Note 6)............ 125
°
C
Operating Ambient Temperature Range
(Note 2) .................................................. –40
°
C to 85
°
C
Storage Temperature Range ..................–65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)...................300
°
C
LT1941EFE
MIN
TYP
3.1
2
5
1.6
50
0.01
100
100
1.7
1.1
180
0
200
2
0.6
4.5
0.2
10
10.8
MAX
3.5
3.5
7.5
2.2
75
UNITS
G
V
mA
mA
mA
μ
A
%/V
μ
A
μ
A
V
G
0.9
150
–30
1.35
210
30
MHz
Deg
Deg
kHz
μ
A
1
3
0.4
V
V
V
0.4
400
nA
V
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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