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LTC3823IGN Folha de dados(PDF) 5 Page - Linear Technology

Nome de Peças LTC3823IGN
Descrição Electrónicos  Fast No RSENSE Step-Down Synchronous DC/DC Controller with Differential Output Sensing, Tracking and PLL
PDF  26 Pages
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Fabricante Electrônico  LINER [Linear Technology]
Página de início  http://www.linear.com
Logo LINER - Linear Technology

LTC3823IGN Folha de dados(HTML) 5 Page - Linear Technology

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LTC3823
5
3823fd
TYPICAL PERFORMANCE CHARACTERISTICS
On-Time vs Temperature
Maximum Current Sense
Threshold vs VRNG Voltage
Maximum Current Sense
Threshold vs Temperature
Error Amplifier gm vs Temperature
Input Current vs Input Voltage
Shutdown Current vs Input Voltage
TEMPERATURE (°C)
–50
200
205
215
220
225
250
235
0
50
75
3823 G04
210
240
245
230
–25
25
100
125
IION = 30μA
VON = 0V
VRNG VOLTAGE (V)
0.5
50
100
150
200
250
300
0.75
1
1.25
1.5
3823 G05
1.75
2
TEMPERATURE (°C)
–50
100
105
115
120
125
150
135
0
50
75
3823 G06
110
140
145
130
–25
25
100
125
VRNG = 1V
TEMPERATURE (°C)
–50
1.7
1.8
25
75
3823 G07
1.6
–25
0
50
100
125
1.5
INPUT VOLTAGE, VIN (V)
0
1.0
1.5
2.0
2.5
510
15
20
3823 G08
25
30
INPUT VOLTAGE, VIN (V)
0
0
10
20
30
40
60
5
10
15
20
3823 G09
25
30
50
INTVCC Load Regulation
INTVCC LOAD CURRENT (mA)
0
–0.4
–0.2
0
40
3823 G10
–0.6
–0.8
–0.5
–0.3
–0.1
–0.7
–0.9
–1.0
10
5
20
15
30 35
45
25
50
FCB Pin Current vs Temperature
TEMPERATURE (°C)
–50
–1.50
–1.45
–1.35
–1.30
–1.25
–1.00
–1.15
0
50
75
3823 G11
–1.40
–1.10
–1.05
–1.20
–25
25
100
125
Track Up
VOUT
2V/DIV
TRACK/SS
AND VFB
500mV/DIV
250ms/DIV
3823 G12
TRACK/SS
FIGURE 12 CIRCUIT
VFB
VOUT



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