Datasheet

LT3029
7
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Reverse Current Input Ripple Rejection
Input Ripple Rejection
Input Ripple Rejection
Minimum Input Voltage
Channel-to-Channel Isolation
TEMPERATURE (°C)
REVERSE CURRENT (µA)
3029 G17
300
270
240
210
180
150
120
90
60
30
0
V
IN
= 0V
V
ADJ
= V
OUT
= 1.215V
I
ADJ
FLOWS INTO ADJ PIN TO GND PIN
I
OUT
FLOWS INTO OUT PIN TO IN PIN
–75 –50 –25 0
25
50
75 100 125 150 175
I
ADJ
I
OUT
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
100 1k 10k 100k 1M 10M
3029 G18
10
40
50
60
70
80
30
20
10
0
90
100
T
J
= 25°C
I
L
= 500mA
V
IN
= V
OUT(NOMINAL)
+1V + 50mV
RMS
RIPPLE
C
BYP
= 0
C
OUT
= 10µF
C
OUT
= 3.3µF
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
100 1k 10k 100k 1M 10M
3029 G19
10
40
50
60
70
80
30
20
10
0
90
100
T
J
= 25°C
I
L
= 500mA
V
IN
= V
OUT(NOMINAL)
+1V + 50mV
RMS
RIPPLE
C
OUT
= 10µF
C
BYP
= 0.01µF
C
BYP
= 1000pF
C
BYP
= 100pF
TEMPERATURE (°C)
RIPPLE REJECTION (dB)
3029 G20
100
90
80
70
60
50
40
30
20
10
0
V
IN
= V
OUT(NOMINAL)
+ 1.5V + 0.5V
P-P
RIPPLE
f = 120Hz
I
L
= 500mA
–75 –50 –25 0
25
50
75 100 125 150 175
TEMPERATURE (°C)
MINIMUM INPUT VOLTAGE (V)
3029 G21
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
–75 –50 –25 0
25
50
75 100 125 150 175
I
L
= 1mA
I
L
= 500mA
V
OUT
= 1.215V
FREQUENCY (Hz)
CHANNEL-TO-CHANNEL ISOLATION (dB)
100 1k 10k 100k 1M 10M
3029 G22
10
40
50
60
70
80
30
20
10
0
90
100
GIVEN CHANNEL IS TESTED WITH 50mV
RMS
SIGNAL ON OPPOSING CHANNEL, BOTH
CHANNELS DELIVERING FULL CURRENT
T
J
= 25°C
Typical perForMance characTerisTics
T
J
= 25°C, unless otherwise noted.