lt3015edd Linear Technology Corporation, lt3015edd Datasheet - Page 6

• Manufacturer Part Number: lt3015edd
• Description: 1.5a, Low Noise, Negative Linear Regulator With Precision Current Limit
• Manufacturer: Linear Technology Corporation

LT3015
TYPICAL PERFORMANCE CHARACTERISTICS
6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
40
35
30
25
20
15
10
0
5
0
0
–75
0
LT3015 Quiescent Current
0
LT3015 GND Pin Current
Negative SHDN Pin Thresholds
V
IN
–50
–1
–1
= –2.3V
–25
–2
–2
R
I
L
L
= –0.1A*
–3
–3
TEMPERATURE (°C)
INPUT VOLTAGE (V)
= 50Ω
INPUT VOLTAGE (V)
0
TURN ON THRESHOLD
R
I
–4
–4
25
L
L
= –0.5A*
= 10Ω
TURN OFF THRESHOLD
–5
–5
50
V
V
SHDN
SHDN
–6 –7 –8 –9 –10
–6 –7 –8 –9 –10
75 100 125 150 175
R
I
L
*FOR V
L
= –1.5A*
= V
= 0V
= 3.3Ω
V
OUT
V
IN
R
R
I
L
SHDN
L
L
OUT
T
T
= –1mA*
= –1.22V
= 121kΩ
= 5kΩ
J
J
= 25°C
= 25°C
= –5V
= V
3015 G16
3015 G10
3015 G13
IN
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
–35
–30
–25
–20
–15
–10
–10
–5
25
20
15
10
–5
0
–30
0
5
0
0.0
LT3015 Quiescent Current
0
GND Pin Current vs I
SHDN Pin Input Current
V
POSITIVE CURRENT FLOWS
INTO THE PIN
V
V
IN
–25
IN
OUT
–1
–0.2 –0.4
= –30V
= –2.3V
–20
= –1.22V
–2
–15
SHDN PIN VOLTAGE (V)
OUTPUT CURRENT (A)
–3
INPUT VOLTAGE (V)
T
–10 –5
J
–0.6
= 125°C
–4
–0.8 –1.0 –1.2 –1.4 –1.6
T
–5
J
V
V
= –40°C
SHDN
SHDN
0
–6 –7 –8 –9 –10
LOAD
T
5 10 15 20 25
T
J
= V
= 0V
J
= –55°C
= 25°C
IN
R
V
L
OUT
T
= 499kΩ
J
= 25°C
125°C
25°C
–55°C
= –5V
T
3015 G14
3015 G10
3015 G17
A
= 25°C, unless otherwise noted.
–25
–20
–15
–10
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
–5
24
21
18
15
12
–3
–6
0
9
6
3
0
–75
–75
0
LT3015 GND Pin Current
Positive SHDN Pin Thresholds
SHDN Pin Input Current
V
IN
–50
–50
–1
= –2.3V
–25
–25
V
–2
V
SHDN
SHDN
R
I
L
L
–3
= –0.1A*
TEMPERATURE (°C)
0
TEMPERATURE (°C)
INPUT VOLTAGE (V)
0
= 12Ω
= –15V
TURN ON THRESHOLD
= 15V
–4
25
POSITIVE CURRENT FLOWS
25
R
I
L
L
= –0.5A*
= 2.4Ω
TURN OFF THRESHOLD
–5
50
50
*FOR V
–6 –7 –8 –9 –10
75 100 125 150 175
75 100 125 150 175
INTO THE PIN
OUT
V
R
I
R
I
L
L
V
SHDN
L
L
= –1mA*
IN
T
= –1.5A*
= –1.22V
= 1.2kΩ
= 0.81Ω
J
= –15V
= 25°C
= V
3015 G12
3015 G15
3015 G18
IN
3015f