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零件编号
产品描述 (功能)
36941(RevA) 查看數據表(PDF) - Linear Technology
零件编号
产品描述 (功能)
生产厂家
36941
(Rev.:RevA)
36V, 2.6A Monolithic Buck Regulator With Dual LDO
Linear Technology
36941 Datasheet PDF : 28 Pages
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LT3694/LT3694-1
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
= 12V, T
A
= 25°C, unless otherwise noted.
Efficiency at V
OUT
= 5V
100
V
IN
= 6.3V
f
SW
= 800kHz
90
V
IN
= 12V
80
V
IN
= 36V
70
60
50
0
1
2
I
OUT
(A)
3
36941 G01
Switch Current Limit
vs Temperature
5.0
4.5
4.0
3.5
3.0
–50
0
50
100
TEMPERATURE (°C)
150
36941 G04
Switch V
CESAT
vs Switch Current
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
SWITCH CURRENT (A)
36941 G02
Switch Current Limit
vs Duty Cycle
5.0
–45°C 25°C
4.5
150°C
4.0
3.5
3.0
0
20
40
60
80 100
SWITCH DUTY CYCLE (%)
36941 G05
BST Pin Current
vs Switch Current
70
60
50
40
30
20
10
0
0
1
2
3
SWITCH CURRENT (A)
36941 G03
Switch Minimum On-Time and
Off-Time vs Temperature
160
I
SW
= 1A
140
120
MINIMUM
ON-TIME
100
80
MINIMUM
OFF-TIME
60
40
20
0
–50
0
50
100
150
TEMPERATURE (°C)
36941 G06
V
FB
vs Temperature
760
758
756
754
752
750
748
746
744
742
740
–50
0
50
100
TEMPERATURE (°C)
150
36941 G07
Frequency vs R
T
3.0
2.5
2.0
1.5
1.0
0.5
0
0
50
100
R
T
(k)
150
200
36941 G08
Frequency Shift vs Temperature
5
R
T
= 200k
4
3
R
T
=
40.2k
2
1
R
T
= 10.7k
0
–1
–2
–3
–4
–5
–50
0
50
100
TEMPERATURE (°C)
150
36941 G09
36941fa
5
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