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LT3045 датащи(PDF) 12 Page - Linear Technology

номер детали LT3045
подробное описание детали  20V, 500mA, Ultralow Noise, Ultrahigh PSRR Linear Regulator with VIOC Control
PDF  36 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LT3045 датащи(HTML) 12 Page - Linear Technology

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LT3045-1
12
30451fa
For more information www.linear.com/LT3045-1
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up Time with and
without Fast Start-Up Circuitry for
Large CSET
Input Supply Ramp-Up and
Ramp-Down
Line Transient Response
TJ = 25°C, unless otherwise noted.
VIN = 4.5V TO 5V
RSET = 33.2k
COUT = 10µF
CSET = 0.47µF
IL = 500mA
5µs/DIV
INPUT
VOLTAGE
500mV/DIV
OUTPUT
VOLTAGE
1mV/DIV
30451 G55
VIN = 5V
RSET = 33.2k
COUT = 10µF
CSET = 4.7µF
RL = 6.6Ω
500mV/DIV
2V/DIV
OUTPUT WITH
FAST START–UP
(SET AT 90%)
OUTPUT WITHOUT
FAST START–UP
PULSE EN/UV
100ms/DIV
30451 G56
INPUT VOLTAGE
OUTPUT VOLTAGE
VIN = 0V TO 5V
VEN/UV = VIN
RSET = 33.2k
COUT = 10µF
CSET = 0.47µF
RL = 6.6Ω
50ms/DIV
2V/DIV
30451 G57
VIOC Voltage
VIOC Voltage
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
30451 G58
VIN = 4.3V
VOUT = 3.3V
IVIOC = 100µA
IOUT = 1mA
TEMPERATURE (°C)
–75 –50 –25 0
25 50 75 100 125 150
0
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
30451 G60
VIN = 4.3V
VOUT = 3.3V
VVIOC = 2V
IOUT = 1mA
VIOC SOURCE CURRENT (µA)
0
25
50
75 100 125 150 175 200
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
30451 G59
150°C
125°C
25°C
–55°C
VIN = 4.3V
VOUT = 3.3V
IOUT = 1mA
OUTPUT LOAD CURRENT (mA)
0 50 100 150 200 250 300 350 400 450 500
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
30451 G61
150°C
125°C
25°C
–55°C
VIN = 4.3V
VOUT = 3.3V
IVIOC = 100µA
VIOC Voltage
VIOC Sink Current



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