Datasheet

LT3032 Series
11
3032fd
Reverse OUTP Pin Current INP-to-OUTP Ripple Rejection INP-to-OUTP Ripple Rejection
TEMPERATURE (°C)
–50
REVERSE OUTP CURRENT (µA)
45
40
35
30
25
20
15
10
5
0
0
50
75
3032 G28
–25
25
100
125
(LT3032-5)
(LT3032-12/LT3032-15)
(LT3032)
V
INP
= 0V
V
OUTP
= V
ADJP
=1.22V (LT3032)
V
OUTP
= 5V (LT3032-5)
V
OUTP
= 12V (LT3032-12)
V
OUTP
= 15V (LT3032-15)
FREQUENCY (Hz)
INP-TO-OUTP RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
10 1k 10k 1M
3032 G29
100 100k
I
L
= 150mA
V
INP
= V
OUTP(NOMINAL)
+
1.5V + 50mV
RMS
RIPPLE
C
BYPP
= 0
C
OUTP
= 2.2µF
C
OUTP
= 10µF
FREQUENCY (Hz)
INP-TO-OUTP RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
10 1k 10k 1M
3032 G30
100 100k
I
L
= 150mA
V
INP
= V
OUTP(NOMINAL)
+
1.5V + 50mV
RMS
RIPPLE
C
OUTP
= 10µF
C
BYPP
= 0.01µF
C
BYPP
= 100pF
C
BYPP
= 1000pF
INN-to-OUTN Ripple Rejection
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
INN-TO-OUTN RIPPLE REJECTION (dB)
80
70
60
50
40
30
20
10
0
3032 G31
I
L
= –150mA
V
INN
= V
OUTN(NOMINAL)
– 1.5V +
50mV
RMS
RIPPLE
C
BYPN
= 0
C
OUTN
= 10µF
C
OUTN
= 1µF
TYPICAL PERFORMANCE CHARACTERISTICS
INP-to-OUTP Ripple Rejection INN-to-OUTN Ripple Rejection
LT3032 Minimum INP Pin Voltage LT3032 Minimum INN Pin Voltage
TEMPERATURE (°C)
–50
INP-TO-OUTP RIPPLE REJECTION (dB)
100
3032 G32
050
68
66
64
62
60
58
56
54
52
–25 25 75 125
V
INP
= V
OUTP(NOMINAL)
+
1.5V + 0.5V
P-P
RIPPLE
AT f = 120Hz
I
L
= 150mA
TEMPERATURE (°C)
60
58
56
54
52
50
48
46
44
3032 G33
INN-TO-OUTN RIPPLE REJECTION (dB)
V
INN
= V
OUTN(NOMINAL)
– 1.5V +
0.5V
P-P
RIPPLE AT f = 120Hz
I
L
= –150mA
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
–50
MINIMUM INP PIN VOLTAGE (V)
0
50
75
3032 G34
–25
25
100
125
I
L
= 150mA
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
OUTP
= 1.22V
TEMPERATURE (°C)
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
3032 G35
MINIMUM INN PIN VOLTAGE (V)
I
L
= –150mA
I
L
= –1mA
–50 –25 0 25 50 75 100 125
NOTE: THE SHDNN PIN THRESHOLD
MUST BE MET TO ENSURE
DEVICE OPERATION
Positive Load Regulation
TEMPERATURE (°C)
0
–10
–20
–30
–40
–50
–60
–70
3032 G36
LOAD REGULATION (mV)
–50 –25 0 25 50 75 100 125
V
INP
= V
OUTP(NOMINAL)
+1V
∆I
L
= 1mA TO 150mA
LT3032
LT3032-5
LT3032-12
LT3032-15