参数资料
型号: LLT3837EFE
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 110 kHz SWITCHING FREQ-MAX, PDSO16
封装: 4.40 MM, PLASTIC, TSSOP-16
文件页数: 23/28页
文件大小: 255K
代理商: LLT3837EFE
LT3837
4
3837fa
TEMPERATURE (°C)
–50
V
CC
CURRENT
(μA)
60
80
90
25
75
3837 G02
40
50
70
30
20
–25
0
50
100
125
10
0
VCC = 14V
VUVLO = 0
TEMPERATURE (°C)
–50
7
8
10
25
75
3837 G03
6
5
–25
0
50
100
125
4
3
9
I VCC
(mA)
DYNAMIC CURRENT CPG
CSG = 1nF, fOSC = 100kHz
STATIC PART CURRENT
VCC = 14V
TEMPERATURE (°C)
–50
90
SENSE
VOLTAGE
(mV)
92
96
98
100
110
104
0
50
75
3837 G04
94
106
108
102
–25
25
100
125
FB = 1.1V
SENSE = VSENSE
+
WITH VSENSE
= 0V
TEMPERATURE (°C)
–50
V
SENSE
+
V
SENSE
(mV)
215
25
3837 G05
200
190
–25
0
50
185
180
220
210
205
195
75
100
125
SENSE = VSENSE
+
WITH VSENSE
= 0V
TEMPERATURE (°C)
–50
90
f OSC
(kHz)
92
96
98
100
110
104
0
50
75
3837 G06
94
106
108
102
–25
25
100
125
COSC = 100pF
TEMPERATURE (°C)
–50
1.230
V
FB
(V)
1.231
1.233
1.234
1.235
1.240
1.237
0
50
75
3837 G07
1.232
1.238
1.239
1.236
–25
25
100
125
TEMPERATURE (°C)
–50
FEEDBACK
PIN
INPUT
BIAS
(nA)
200
250
300
25
75
3837 G08
150
100
–25
0
50
100
125
50
0
TEMPERATURE (°C)
–50
V
FB
RESET
(V)
1.03
25
3837 G09
1.00
0.98
–25
0
50
0.97
0.96
1.04
1.02
1.01
0.99
75
100
125
VFB (V)
0.9
–70
I VC
(μA)
–50
–30
–10
70
30
1
1.1
1.4
50
10
1.2
1.3
1.5
3837 G10
125°C
25°C
–40°C
TYPICAL PERFORMANCE CHARACTERISTICS
VCC Shutdown Current
vs Temperature
VCC Current vs Temperature
SENSE Voltage vs Temperature
SENSE Fault Voltage
vs Temperature
Oscillator Frequency
vs Temperature
VFB vs Temperature
Feedback Pin Input Bias
vs Temperature
VFB Reset vs Temperature
Feedback Amplier Output
Current vs VFB
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