LT3029 Ver la hoja de datos (PDF) - Linear Technology
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LT3029 Datasheet PDF : 20 Pages
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LT3029
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted.
Reverse Current
300
VIN = 0V
270 VADJ = VOUT = 1.215V
240
210
IADJ
180
150
120
90
60
30
0
–75 –50 –25 0
IOUT
25 50 75 100 125 150 175
TEMPERATURE (°C)
IADJ FLOWS INTO ADJ PIN TO GND PIN
IOUT FLOWS INTO OUT PIN TO IN PIN
3029 G17
Input Ripple Rejection
100
90
80
CBYP = 0.01μF
70
60
50
CBYP = 1000pF
40
CBYP = 100pF
30
20
TJ = 25°C
IL = 500mA
10 VIN = VOUT(NOMINAL) +1V + 50mVRMS RIPPLE
COUT = 10μF
0
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
3029 G19
Minimum Input Voltage
2.50
VOUT = 1.215V
2.25
2.00
IL = 500mA
1.75
1.50
1.25
IL = 1mA
1.00
0.75
0.50
0.25
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3029 G21
Input Ripple Rejection
100
TJ = 25°C
90 IL = 500mA
80
70
VIN = VOUT(NOMINAL) +1V + 50mVRMS RIPPLE
CBYP = 0
COUT = 10μF
60
50
40
30
COUT = 3.3μF
20
10
0
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
3029 G18
Input Ripple Rejection
100
VIN = VOUT(NOMINAL) + 1.5V + 0.5VP-P RIPPLE
90 f = 120Hz
80 IL = 500mA
70
60
50
40
30
20
10
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3029 G20
Channel-to-Channel Isolation
100
TJ = 25°C
90
80
70
60
50
40
30
20
10
0
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
GIVEN CHANNEL IS TESTED WITH 50mVRMS
SIGNAL ON OPPOSING CHANNEL, BOTH
CHANNELS DELIVERING FULL CURRENT 3029 G22
3029fa
7
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