參數(shù)資料
型號(hào): LLT3837EFE
廠(chǎng)商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, PLASTIC, TSSOP-16
文件頁(yè)數(shù): 24/28頁(yè)
文件大?。?/td> 255K
代理商: LLT3837EFE
LT3837
5
3837fa
TEMPERATURE (°C)
–50
V
UVLO
(μA)
0.70
0.80
0.90
0.85
25
75
3837 G15a
0.60
0.65
0.75
0.55
0.50
–25
0
50
100
125
0.45
0.40
VCC = 14V
TEMPERATURE (°C)
–50
I VC
(μA)
60
65
70
25
75
3837 G11
55
50
–25
0
50
100
125
45
40
SOURCE CURRENT
VFB = 1.1V
SINK
CURRENT
VFB = 1.4V
TEMPERATURE (°C)
–50
900
g
m
(μmho)
950
1000
1050
1100
–25
0
25
50
3837 G12
75
100
125
TEMPERATURE (°C)
–50
UVLO
(V)
1.240
1.245
1.250
25
75
3837 G14
1.235
1.230
–25
0
50
100
125
1.225
1.220
TEMPERATURE (°C)
–50
3.4
3.5
3.7
25
75
3837 G15
3.3
3.2
–25
0
50
100
125
3.1
3.0
3.6
I UVLO
(μA)
TEMPERATURE (°C)
–50
SFST
CHARGE
CURRENT
(μA)
23
25
3837 G16
20
18
–25
0
50
17
16
24
22
21
19
75
100
125
CAPACITANCE (nF)
0
TIME
(ns)
80
70
60
50
40
30
20
10
0
8
3837 G17
246
10
7
135
9
TA = 25°C
FALL TIME
RISE TIME
TEMPERATURE (°C)
–50
–25
19.0
V
CC
(V)
20.0
21.5
0
50
75
3837 G18
19.5
21.0
20.5
25
100
125
ICC = 10mA
TEMPERATURE (°C)
–50
A
V
(V/V)
1550
25
3837 G13
1400
1300
–25
0
50
1250
1200
1150
1100
1600
1650
1700
1500
1450
1350
75
100
125
TYPICAL PERFORMANCE CHARACTERISTICS
Feedback Amplier Source and
Sink Current vs Temperature
Feedback Amplier gm
vs Temperature
Feedback Amplier Voltage Gain
vs Temperature
UVLO vs Temperature
IUVLO Hysteresis vs Temperature
Soft-Start Charge Current
vs Temperature
PG, SG Rise and Fall Times
vs Load Capacitance
Minimum On-Time
vs Temperature
UVLO Shutdown Threshold
vs Temperature
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