lt3071 Linear Technology Corporation, lt3071 Datasheet - Page 10

• Manufacturer Part Number: lt3071
• Description: Lt3071 5a, Low Noise, Programmable Output, 85mv Dropout Linear Regulator With Analog Margining Features
• Manufacturer: Linear Technology Corporation

LT3071
typicAl perFormAnce chArActeristics
0
200mV/DIV
10mV/DIV
V
V
BIAS
OUT
Bias Voltage Line Transient
Response
V
V
V
I
C
OUT
IN
BIAS
OUT
OUT
= 1.3V
= 5A
= 1V
= 16.9µF
= 2.5V
AC-COUPLED
AC-COUPLED
∆I = 500mA
∆I = 500mA
50mV/DIV
50mV/DIV
2A/DIV
2A/DIV
TO 5A
TO 5A
V
V
20µs/DIV
I
I
OUT
OUT
OUT
OUT
Transient Load Response
V
C
I
Transient Load Response
V
C
I
OUT
OUT
OUT
OUT
OUT
OUT
t
t
= 1V
= 10µF + 4.7µF + 2.2µF
RISE
= 1V
= 10µF + 4.7µF + 2.2µF
RISE
/t
/t
FALL
FALL
= 100ns
= 1µs
3071 G43
20µs/DIV
20µs/DIV
350
340
330
320
310
300
290
280
270
260
250
–75
VIOC Amplifier IN-to-OUT
Servo Voltage
V
BIAS
–50
3071 G46
3071 G48
= 2.5V
–25
0
TEMPERATURE (°C)
25
50
75 100
AC-COUPLED
AC-COUPLED
∆I = 500mA
∆I = 500mA
50mV/DIV
50mV/DIV
125
2A/DIV
2A/DIV
TO 5A
TO 5A
V
V
I
I
OUT
OUT
OUT
OUT
150
3071 G44
Transient Load Response
Transient Load Response
V
C
I
V
C
I
OUT
OUT
175
OUT
OUT
OUT
OUT
t
t
= 1V
= 117µF
RISE
= 1V
= 117µF
RISE
/t
/t
FALL
FALL
300
275
250
225
200
175
150
= 100ns
= 1µs
–75
VIOC Amplifier Output Current
vs Temperature
20µs/DIV
20µs/DIV
–50
–25
TEMPERATURE (°C)
0
I
VIOC
I
VIOC
25
SOURCING
SINKING
50
3071 G47
3071 G49
75
100
125
150
3071 G45
3071fa
175