lt3032 Linear Technology Corporation, lt3032 Datasheet - Page 6

• Manufacturer Part Number: lt3032
• Description: Dual 150ma Positive/negative Low Noise Low Dropout Linear Regulator
• Manufacturer: Linear Technology Corporation

LT3032
TYPICAL PERFORMANCE CHARACTERISTICS
6
–0.5
–1.0
–1.5
–2.0
–2.5
–40
–35
–30
–25
–20
–15
–10
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
2.5
2.0
1.5
1.0
0.5
–5
–0
0
0
–50
0
0
INN Quiescent Current
Positive Side GND Pin Current
vs I
SHDNN Pin Thresholds
V
T
J
INP
T
R
I
L
–1 –2 –3 –4 –5 –6 –7 –8 –9 –10
= 25°C
J
L
20
= –5μA
LOAD
–25
= 25°C
= 250k
= V
POSITIVE LOAD CURRENT (mA)
OUTP(NOMINAL)
40
0
TEMPERATURE (°C)
INN VOLTAGE (V)
60
25
80
+ 1V
50
100 120 140 160
V
V
SHDNN
SHDNN
75
ON
OFF
ON
= V
= 0V
100
INN
3032 G10
3032 G13
3032 G16
125
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
0
0
0
Positive Side GND Pin Current
Negative Side GND Pin Current
vs I
SHDNP Pin Input Current
V
INN
–20
1
1
LOAD
= V
NEGATIVE LOAD CURRENT (mA)
2
2
R
I
OUTN(NOMINAL)
L
–40 –60
L
SHDNP PIN VOLTAGE (V)
= 150mA*
= 8.07Ω
3
3
INP VOLTAGE (V)
T
J
4
4
= 25°C
–80
5
5
– 1V
T
V
*FOR V
–100
J
INP
6
6
T
= 25°C
J
= V
= –50°C
R
I
R
I
L
7
7
L
–120 –140
OUTP
L
L
= 100mA*
= 50mA*
T
SHDNP
= 12.2Ω
= 24.4Ω
J
= 125°C
8
8
= 1.22V
3032 G11
3032 G14
3032 G17
9
9
–160
10
10
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
0
–50
–50
0
SHDNP Pin Threshold
SHDNP Pin Input Current
Negative Side GND Pin Current
T
*FOR V
J
I
L
= 25°C; V
–1 –2 –3 –4 –5 –6 –7 –8 –9 –10
= 1mA
–25
–25
OUTN
R
I
R
I
R
I
R
I
L
L
L
L
L
L
L
L
SHDNN
0
= –150mA*
= –100mA*
= –50mA*
= –10mA*
0
= –1.22V
TEMPERATURE (°C)
= 8.07Ω
= 12.2Ω
= 24.4Ω
= 122Ω
TEMPERATURE (°C)
INN VOLTAGE (V)
25
25
= V
OFF
ON
INN
50
50
;
V
75
75
SHDNP
100
100
= 20V
3032 G12
3032 G15
3032 G18
3032f
125
125