LT3071MPUFD View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3071MPUFD
Linear Technology
LT3071MPUFD Datasheet PDF : 30 Pages
| |||
LT3071
TYPICAL PERFORMANCE CHARACTERISTICS
Current Limit vs Temperature
7.50
7.25 VIN = VOUT(NOMINAL) + 300mV
7.00
6.75
6.50
6.25
6.00
5.75
5.50
5.25
5.00
–75 –50 –25
VOUT = 1.8V, VBIAS = 3.3V
VOUT = 1.2V, VBIAS = 3.3V
VOUT = 0.8V, VBIAS = 2.5V
0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3071 G28
IN Pin Ripple Rejection
80
70
60
50
40
30
COUT = 117µF
COUT = 16.9µF
20 VOUT = 1V
10
VIN = 1.3V + 50mVP-P RIPPLE
VBIAS = 2.5V
IOUT = 1A
0
10 100 1k 10k 100k
FREQUENCY (Hz)
1M 10M
3071 G31
IN Pin Ripple Rejection
vs VIN – VOUT, 1V/2.5A
120
110 50mVP-P RIPPLE ON VIN
100
COUT = 16.9μF
VBIAS = 2.5V
90 TA = 25°C
RIPPLE AT f = 10kHz
80
70
60
RIPPLE AT f = 100kHz
50
40
30
RIPPLE AT f = 1MHz
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
3071 G34
Current Limit vs VIN – VOUT
8
VBIAS = 3.3V
7 TJ = 25°C
6
5
4
3
2
VOUT = 1.8V
1
VOUT = 1.2V
VOUT = 0.8V
0
0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00
IN-TO-OUT VOLTAGE DIFFERENTIAL (V)
3071 G29
IN Pin Ripple Rejection
80
70
60
50
40
30
COUT = 117µF
COUT = 16.9µF
20 VOUT = 1V
10
VIN = 1.3V + 50mVP-P RIPPLE
VBIAS = 2.5V
IOUT = 5A
0
10 100 1k 10k 100k
FREQUENCY (Hz)
1M 10M
3071 G32
IN Pin Ripple Rejection
vs VIN – VOUT, 1V/1A
120
110
50mVP-P RIPPLE ON VIN
COUT = 16.9μF
100 VBIAS = 2.5V
RIPPLE AT f = 10kHz
90 TA = 25°C
80
70
RIPPLE AT f = 100kHz
60
50
40
30
RIPPLE AT f = 1MHz
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
3071 G35
BIAS Pin Ripple Rejection
100
VIN = 1.3V
90
VOUT = 1V
80
IOUT = 5A
COUT = 10µF + 4.7µF + 2.2µF
70
60
50
40
30
20
10
0
10
VBIAS = 2.5V + 500mVP-P
VBIAS = 2.7V + 500mVP-P
VBIAS = 3.3V + 500mVP-P
100 1k 10k 100k
FREQUENCY (Hz)
1M 10M
3071 G30
IN Pin Ripple Rejection
vs VIN – VOUT, 1V/5A
120
110
50mVP-P RIPPLE ON VIN
COUT = 16.9μF
100 VBIAS = 2.5V
90 TA = 25°C
80
RIPPLE AT f = 10kHz
70
60
50
40
RIPPLE AT f = 100kHz
30
20
RIPPLE AT f = 1MHz
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
3071 G33
IN Pin Ripple Rejection
vs VIN – VOUT, 1V/5A
120
110 50mVP-P RIPPLE ON VIN
100
COUT = 117μF
VBIAS = 2.5V
90 TA = 25°C
80
RIPPLE AT f = 10kHz
70
60
RIPPLE AT f = 1MHz
50
40
RIPPLE AT f = 100kHz
30
20
10
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2
AVERAGE INPUT/OUTPUT DIFFERENTIAL (V)
3071 G36
3071fc
8
For more information www.linear.com/LT3071
Share Link: 