LT3071IUFD View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LT3071IUFD
Linear Technology
LT3071IUFD Datasheet PDF : 30 Pages
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LT3071
TYPICAL PERFORMANCE CHARACTERISTICS
Input Voltage Line Regulation
300
VBIAS = 3.3V
250
VIN = 2.05V TO 2.7V
VOUT = 1.8V
IOUT = 10mA
200
150
100
50
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3071 G46
Output Voltage Start-Up Time
vs CREF/BYP
20
VBIAS = 2.5V TO 3.3V
18 IOUT = 10mA
16
COUT = 10µF + 4.7µF + 2.2µF
TJ = 25°C
14 SEE APPLICATIONS
INFORMATION FOR
12 START-UP DETAILS
10
8
6
4
2
0
0
0.1
0.2
0.3
0.4
0.5
REF/BYP CAPACITANCE (µF)
3071 G47
Nap Mode Recovery Time vs IOUT
400 VBIAS = 3.3V
350
VIN = VOUT(NOM) + 300mV
EN = LOW TO HIGH
300
IOUT = 5A (SET BY A RESISTOR LOAD)
TJ = 25°C
250
VOUT = 1.8V,
COUT = 117µF
200
VOUT = 1.2V,
COUT = 117µF
150
VOUT = 0.8V,
COUT = 117µF
100
50
0
0
1
2
3
4
5
OUTPUT CURRENT (A)
3071 G48
Output Noise Spectral Density
1.0
VBIAS = 2.5V
VOUT = 1V
IOUT = 5A
COUT = 16.9µF
0.1
CREF/BYP = 0.01µF
0.01
0.001
10
100
1k
10k
FREQUENCY (Hz)
100k
3071 G49
RMS Output Noise
vs Output Current
80
VIN = VOUT(NOMINAL) + 300mV
70 VBIAS = 3.3V
COUT = 16.9µF
60
50
40
30
20
10
0
0.01
VOUT = 1.8V
VOUT = 1.2V
VOUT = 0.8V
0.1
1
OUTPUT CURRENT (A)
Output Noise (10Hz to 100kHz)
VOUT
100µV/DIV
10
3071 G50
VOUT = 1V
IOUT = 5A
COUT = 16.9µF
1ms/DIV
3071 G51
Input Voltage Line Transient
Response
Bias Voltage Line Transient
Response
VOUT
1mV/DIV
VIN
50mV/DIV
VIN = 1.3V
VOUT = 1V
IOUT = 5A
COUT = 16.9µF
20µs/DIV
VOUT
10mV/DIV
VBIAS
200mV/DIV
3071 G52
VIN = 1.3V
VBIAS = 2.5V
VOUT = 1V
IOUT = 5A
COUT = 16.9µF
20µs/DIV
3071 G53
VIOC Amplifier IN-to-OUT
Servo Voltage
350
VBIAS = 2.5V
340
330
320
310
300
290
280
270
260
250
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3071 G54
3071fc
10
For more information www.linear.com/LT3071
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