LT3027 LINER [Linear Technology], LT3027 Datasheet - Page 6

• Manufacturer Part Number: LT3027
• Description: Dual 100mA, Low Dropout, Low Noise, Micropower Regulator wih Independent Inputs
• Manufacturer: LINER [Linear Technology]

LT3027
TYPICAL PERFOR A CE CHARACTERISTICS
6
2.5
2.0
1.5
1.0
0.5
80
70
60
50
40
30
20
10
0
–50
0
–50
Input Ripple Rejection
Minimum Input Voltage
V
1V + 0.5V
AT f = 120Hz
I
L
IN
= 50mA
–25
–25
= V
OUT (NOMINAL)
P-P
0
TEMPERATURE (°C)
0
TEMPERATURE (°C)
0.01
RIPPLE
0.1
10
1
0.01
25
25
Output Noise Spectral Density
C
I
V
V
L
OUT
OUT
OUT
= 100mA
+
C
50
50
BYP
= 10µF
=V
SET FOR 5V
I
L
I
ADJ
L
= 0.01µF
0.1
= 100mA
= 50mA
75
75
FREQUENCY (kHz)
W
100
100
3027 G20
3027 G22
1
U
125
125
C
BYP
C
BYP
20mV/DIV
20mV/DIV
10
= 1000pF
= 100pF
V
V
OUT1
OUT2
–10
–1
–2
–3
–4
–5
–6
–7
–8
–9
3027 G25
0
–50
C
C
∆I
∆I
V
Channel-to-Channel Isolation
Load Regulation
OUT1
BYP1
IN
100
∆
L1
L2
IL
= 6V, V
= 10mA to 100mA
= 10mA to 100mA
–25
= 1mA TO 100mA
, C
, C
BYP2
OUT2
OUT1
0
= 0.01µF
TEMPERATURE (°C)
= 10µF
= V
50µs/DIV
25
OUT2
= 5V
50
75
100
3027 G21a
3027 G23
160
140
120
100
80
60
40
20
125
0
10
RMS Output Noise vs
Bypass Capacitor
V
OUT
0.01
100
0.1
90
80
70
60
50
40
30
20
10
10
=V
V
0
1
100
0.01
0.01
OUT
ADJ
Channel-to-Channel Isolation
Output Noise Spectral Density
C
C
I
L
OUT
BYP
C
SET FOR 5V
= 100mA
BYP
= 10µF
= 0
V
0.1
OUT
(pF)
V
0.1
C
I
f = 10Hz TO 100kHz
L
OUT
OUT
SET FOR 5V
= 100mA
1k
FREQUENCY (kHz)
FREQUENCY (kHz)
=V
I
= 10µF
LOAD
ADJ
1
= 100mA PER CHANNEL
1
3027 G26
10
10k
10
100
3027 G21b
3027 G24
3027f
1000
100