LT3032 Series
11
3032ff
For more information www.linear.com/LT3032
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
–25
25
100
125
(LT3032-3.3/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
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
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
TYPICAL PERFORMANCE CHARACTERISTICS
Negative Side Current Limit Reverse OUTP Pin Current
TEMPERATURE (°C)
–600
–500
–400
–300
–200
–100
0
3032 G26
NEGATIVE SIDE CURRENT LIMIT (mA)
–50 –25 0 25 50 75 100 125
V
INN
= –7V
V
OUTN
= 0V
OUTP PIN VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
REVERSE OUTP PIN CURRENT (µA)
3032 G27
0 2 4 6
8
10
12 14 16 18 20
T
J
= 25°C, V
INP
= 0V
CURRENT FLOWS
INTO OUTP PIN
V
OUTP
= V
ADJP
(LT3032)
LT3032
LT3032-5
LT3032-15
LT3032-12
LT3032-3.3
Negative Side Current Limit
INN-TO-OUTN DIFFERENTIAL VOLTAGE (V)
0
–600
–500
–400
–300
–200
–100
0
–4 –8 –12 –16 –20
NEGATIVE SIDE CURRENT LIMIT (mA)
∆V
OUTN
= 100mV
Positive Side Current Limit Positive Side Current Limit
500
450
400
350
300
250
200
150
100
50
0
INP-TO-OUTP DIFFERENTIAL VOLTAGE (V)
0
POSITIVE SIDE CURRENT LIMIT (mA)
2
4
5
3032 G23
1
3
6
7
V
OUTP
= 0V
500
450
400
350
300
250
200
150
100
50
0
POSITIVE SIDE CURRENT LIMIT (mA)
3032 G24
V
INP
= 7V
V
OUTP
= 0V
TEMPERATURE (°C)
–50 0
50
75
–25
25
100
125
ADJN Pin Bias Current
–70
–60
–50
–40
–30
–20
–10
0
ADJN PIN BIAS CURRENT (nA)
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125