參數(shù)資料
型號(hào): LT3845EFE#TR
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, PLASTIC, TSSOP-16
文件頁(yè)數(shù): 19/24頁(yè)
文件大?。?/td> 263K
代理商: LT3845EFE#TR
LT3845
4
3845fb
TYPICAL PERFORMANCE CHARACTERISTICS
Shutdown Threshold (Rising)
vs Temperature
VCC vs Temperature
VCC vs ICC(LOAD)
ICC Current Limit vs Temperature
VCC UVLO Threshold (Rising)
vs Temperature
ICC vs VCC (SHDN = 0V)
Error Amp Transconductance
vs Temperature
3845 G01
SHUTDOWN
THRESHOLD,
RISING
(V)
1.38
1.37
1.36
1.35
1.34
1.33
1.32
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
Shutdown Threshold (Falling)
vs Temperature
3845 G02
TEMPERATURE (
°C)
–50
SHUTDOWN
THRESHOLD,
FALLING
(V)
1.26
1.25
1.24
1.23
1.22
1.21
1.20
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
3845 G03
8.2
8.1
8.0
7.9
7.8
7.7
7.6
7.5
V
CC
(V)
ICC = 20mA
ICC(LOAD) (mA)
0
V
CC
(V)
40
!&"# /"
10
20
30
8.05
8.00
7.95
7.90
7.85
515
25
35
TA = 25°C
VCC vs VIN
!&"# /#
VIN (V)
V
CC
(V)
9
8
7
6
5
4
3
4
6
8
9
57
10
11
12
ICC = 20mA
TA = 25°C
–50
–25
100
0
50
125
25
75
TEMPERATURE (
°C)
225
200
175
150
125
100
75
50
!&"# /$
I CC
CURRENT
LIMIT
(mA)
3845 G07
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
V
CC
UVLO
THRESHOLD,
RISING
(V)
6.5
6.4
6.3
6.2
6.1
6.0
3845 G08
VCC (V)
0
I CC
A)
15
20
25
16
10
5
0
246
810 12 14
18 20
TA = 25°C
TEMPERATURE (
°C)
–50
ERROR
AMP
TRANSCONDUCTANCE
S)
350
345
340
335
330
325
320
25
75
3845 G09
–25
0
50
100
125
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