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LT3028IDHC#TRPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
7
L
T3028
3028f
TYPICAL PERFOR A CE CHAR
AC
TERIST
ICS
UW
Output 2
Input Ripple Rejection
FREQUENCY (kHz)
RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
0.01
1
10
1000
3028 G26
0.1
100
I
L
= 100mA
V
IN2
= 2.3V + 50mV
RMS
RIPPLE
C
BYP
= 0
T
J
= 25
°
C
C
OUT
= 10
µ
F
C
OUT
= 1
µ
F
FREQUENCY (kHz)
RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
0.01
1
10
1000
3028 G27
0.1
100
I
L
= 100mA
V
IN2
= 2.3V + 50mV
RMS
RIPPLE
C
OUT
= 10
µ
F
T
J
= 25
°
C
C
BYP
= 0.01
µ
F
C
BYP
= 1000pF
C
BYP
= 100pF
Output 2
Input Ripple Rejection
Output 2
Input Ripple Rejection
TEMPERATURE (
°
C)
–5
0
RIPPLE REJECTION (dB)
100
3028 G28
05
0
80
70
60
50
40
30
20
10
0
–
25
25
75
125
V
IN2
= V
OUT2(NOMINAL)
+
1V + 0.5V
P-P
RIPPLE
AT f = 120Hz
I
L
= 50mA
Output 1
Input Ripple Rejection
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
10
1k
10k
1M
3028 G29
100
100k
I
L
= 500mA
V
IN1
= V
OUT1(NOMINAL)
+
1V + 50mV
RMS
RIPPLE
C
BYP
= 0
T
J
= 25
°
C
C
OUT
= 4.7
µ
F
C
OUT
= 10
µ
F
Output 1
Input Ripple Rejection
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
10
1k
10k
1M
3028 G30
100
100k
I
L
= 500mA
V
IN1
= V
OUT1(NOMINAL)
+
1V + 50mV
RMS
RIPPLE
C
OUT
= 10
µ
F
T
J
= 25
°
C
C
BYP
= 0.01
µ
F
C
BYP
= 100pF
C
BYP
= 1000pF
Output 1 Ripple Rejection
TEMPERATURE (
°
C)
–5
0
RIPPLE REJECTION (dB)
100
3028 G31
05
0
68
66
64
62
60
58
56
54
52
–
25
25
75
125
V
IN1
= V
OUT1(NOMINAL)
+
1V + 0.5V
P-P
RIPPLE
AT f = 120Hz
I
L
= 500mA
Output 2 Minimum Input Voltage
TEMPERATURE (
°
C)
–5
0
MINIMUM INPUT VOLTAGE (V)
2.5
2.0
1.5
1.0
0.5
0
0
50
75
3028 G32
–2
5
25
100
125
I
L
= 100mA
V
OUT2
= 1.22V
I
L
= 50mA
TEMPERATURE (
°
C)
–5
0
MINIMUM INPUT VOLTAGE (V)
0
50
75
3028 G33
–2
5
25
100
125
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
I
L
= 1mA
V
OUT1
= 1.22V
I
L
= 500mA
Output 1 Minimum Input Voltage
8
L
T3028
3028f
Channel-to-Channel Isolation
Output 2 Load Regulation
TYPICAL PERFOR A CE CHAR
AC
TERIST
ICS
UW
TEMPERATURE (
°
C)
–5
0
LOAD REGULATION (mV)
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
05
0
7
5
3028 G35
–25
25
100
125
∆
I
L
= 1mA TO 100mA
Output Noise Spectral Density
Output Noise Spectral Density
RMS Output Noise
vs Bypass Capacitor
Output 2
RMS Output Noise vs Load
Current (10Hz to 100kHz)
LOAD CURRENT (mA)
0.01
OUTPUT NOISE (
µ
V
RMS
)
160
140
120
100
80
60
40
20
0
0.1
1
100
10
3028
G40
V
OUT2
SET FOR 5V
V
OUT2
SET FOR 5V
V
OUT2
=V
ADJ2
V
OUT2
=V
ADJ2
C
OUT2
= 10
µ
F
T
J
= 25
°
C
C
BYP
= 0
C
BYP
= 0.01
µ
F
Output 1
RMS Output Noise vs Load
Current (10Hz to 100kHz)
Output 1 Load Regulation
TEMPERATURE (
°
C)
–5
0
LOAD REGULATION (mV)
100
3028 G36
05
0
–
25
25
75
125
5
0
–5
–1
0
∆
I
L
= 1mA TO 500mA
FREQUENCY (kHz)
OUTPUT NOISE SPECTRAL DENSITY (
µ
V/
√
Hz)
0.01
1
10
100
3028 G37
0.1
10
1
0.1
0.01
V
OUT
SET FOR 5V
V
OUT
=V
ADJ
C
OUT
= 10
µ
F
C
BYP
= 0
I
L
= FULL LOAD
T
J
= 25
°
C
FREQUENCY (kHz)
OUTPUT NOISE SPECTRAL DENSITY (
µ
V/
√
Hz)
0.01
1
10
100
3028
G38
0.1
10
1
0.1
0.01
V
OUT
SET FOR 5V
V
OUT
=V
ADJ
C
OUT
= 10
µ
F
I
L
= FULL LOAD
T
J
= 25
°
C
C
BYP
= 1000pF
C
BYP
= 100pF
C
BYP
= 0.01
µ
F
LOAD CURRENT (mA)
0.01
OUTPUT NOISE (
µ
V
RMS
)
160
140
120
100
80
60
40
20
0
0.1
1
3028 G41
10
100
1000
C
OUT1
= 10
µ
F
T
J
= 25
°
C
V
OUT1
SET FOR 5V
V
OUT1
SET FOR 5V
V
OUT1
= V
ADJ1
V
OUT1
= V
ADJ1
C
BYP
= 0
C
BYP
= 0.01
µ
F
FREQUENCY (Hz)
10
40
CHANNEL-TO-CHANNEL ISOLATION (dB)
50
60
70
80
100
1k
1M
10k
100k
3028
G34
30
20
10
0
90
100
CHANNEL 2
GIVEN CHANNEL IS TESTED
WITH 50mVRMS SIGNAL ON
OPPOSING CHANNEL, BOTH
CHANNELS DELIVERING FULL
CURRENT
T
J
= 25
°
C
CHANNEL 1
C
BYP
(pF)
10
80
OUTPUT NOISE (
µ
V
RMS
)
100
120
140
100
1000
10000
3028
G39
60
40
20
0
OUTPUT 2
OUTPUT 2
V
OUT
= 5V
V
OUT
= 1.22V
OUTPUT 1
OUTPUT 1
C
OUT
= 10
µ
F
I
L
= FULL LOAD
f
BW
= 10Hz TO 100kHz
T
J
= 25
°
C
V
OUT1
20mV/DIV
V
OUT2
20mV/DIV
C
OUT1
= 22
µ
F5
0
µ
s/DIV
3028 G50
C
OUT2
= 10
µ
F
C
BYP1
= C
BYP2
= 0.01
µ
F
∆
I
L1
= 50mA TO 500mA
∆
I
L2
= 10mA TO 100mA
V
IN
= 6V, V
OUT1
= V
OUT2
= 5V
Channel-to-Channel Isolation
9
L
T3028
3028f
V
OUT
100
µ
V/DIV
C
OUT
= 10
µ
F
1ms/DIV
3028 G42
I
L
= FULL LOAD
V
OUT
SET FOR 5V
10Hz to 100kHz Output Noise
C
BYP
= 0pF
TYPICAL PERFOR A CE CHAR
AC
TERIST
ICS
UW
V
OUT
100
µ
V/DIV
C
OUT
= 10
µ
F
1ms/DIV
3028 G43
I
L
= FULL LOAD
V
OUT
SET FOR 5V
V
OUT
100
µ
V/DIV
C
OUT
= 10
µ
F
1ms/DIV
3028 G44
I
L
= FULL LOAD
V
OUT
SET FOR 5V
10Hz to 100kHz Output Noise
C
BYP
= 100pF
10Hz to 100kHz Output Noise
C
BYP
= 1000pF
10Hz to 100kHz Output Noise
C
BYP
= 0.01
µ
F
Output 2 Transient Response
C
BYP
= 0pF
V
OUT
100
µ
V/DIV
C
OUT
= 10
µ
F
1ms/DIV
3028 G45
I
L
= FULL LOAD
V
OUT
SET FOR 5V
TIME (
µ
s)
0.2
0.1
0
–
0.1
–
0.2
OUTPUT VOLTAGE
DEVIATION (V)
100
50
0
LOAD CURRENT
(mA)
3028 G46
0
400
800
1200
1600
2000
V
IN2
= 6V, V
OUT2
SET FOR 5V
C
IN2
= 10
µ
F
C
OUT2
= 10
µ
F
T
J
= 25
°
C
TIME (
µ
s)
0.04
0.02
0
–
0.02
–
0.04
OUTPUT VOLTAGE
DEVIATION (V)
100
50
0
LOAD CURRENT
(mA)
3028 G47
0
40
60
100
20
80
120
140
180
160
200
V
IN2
= 6V, V
OUT2
SET FOR 5V
C
IN2
= 10
µ
F
C
OUT2
= 10
µ
F
T
J
= 25
°
C
Output 2 Transient Response
C
BYP
= 0.01
µ
F
Output 1 Transient Response
C
BYP
= 0pF
TIME (
µ
s)
0.4
0.2
0
–
0.2
–
0.4
OUTPUT VOLTAGE
DEVIATION (V)
600
400
200
0
LOAD CURRENT
(mA)
3028 G48
0
200
400
600
800
1000
V
IN1
= 6V, V
OUT1
SET FOR 5V
C
IN1
= 10
µ
F
C
OUT1
= 10
µ
F
T
J
= 25
°
C
Output 1 Transient Response
C
BYP
= 0.01
µ
F
TIME (
µ
s)
0.10
0.05
0
–
0.05
–
0.10
OUTPUT VOLTAGE
DEVIATION (V)
600
400
200
0
LOAD CURRENT
(mA)
3028 G49
02
0
3
0
5
0
7
0
9
0
10
40
60
80
100
V
IN1
= 6V, V
OUT1
SET FOR 5V
C
IN1
= 10
µ
F
C
OUT1
= 10
µ
F
T
J
= 25
°
C
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P16
LT3028IDHC#TRPBF
Mfr. #:
Buy LT3028IDHC#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
LDO Voltage Regulators 2x 100mA/500mA L Drop, L N, uP Regs w/ I
Lifecycle:
New from this manufacturer.
Delivery:
DHL
FedEx
Ups
TNT
EMS
Payment:
T/T
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Union
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