Datasheet
LT3015 Series
10
3015fb
TYPICAL PERFORMANCE CHARACTERISTICS
ADJ Pin Bias Current ADJ Pin Bias Current Line Regulation
T
A
= 25°C, unless otherwise noted.
TEMPERATURE (°C)
–75
–200
ADJ PIN BIAS CURRENT (nA)
150
100
50
–50
0
–100
–150
200
75 100 125 150 175–25–50 0 25
3015 G34
50
V
IN
= –2.3V
POSITIVE CURRENT FLOWS
INTO THE PIN
INPUT VOLTAGE (V)
0
20
ADJ PIN BIAS CURRENT (nA)
70
50
60
40
30
80
–18 –21 –24 –27 –30–6–3 –9 –12
3015 G35
–15
T
J
= 25°C
POSITIVE CURRENT FLOWS
INTO THE PIN
TEMPERATURE (°C)
–75
0.0
LINE REGULATION (mV)
–5.0
–7.5
–10.0
–12.5
–15.0
–17.5
–2.5
–20.0
75 100 125 150 175–25–50 0 25
3015 G36
50
∆V
IN
= V
OUT(NOMINAL)
–0.5V TO –30V
(LT3015-2.5/-3/-3.3/-5/-12/-15)
∆V
IN
= –2.3V TO –30V (LT3015)
I
L
= –1mA
LT3015
LT3015-2.5
LT3015-3
LT3015-3.3
LT3015-5
LT3015-12
LT3015-15
Negative SHDN Pin Thresholds
SHDN Pin Input Current
SHDN Pin Input Current
TEMPERATURE (°C)
–75
0
NEGATIVE SHDN PIN THRESHOLD (V)
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
–1.4
75 100 125 150 1750–25–50 25
3015 G31
50
TURN OFF THRESHOLD
TURN ON THRESHOLD
V
IN
= –2.3V
SHDN PIN VOLTAGE (V)
–30
–10
SHDN PIN CURRENT (µA)
20
15
10
5
0
–5
25
5 10 15 20 25–15–20–25 –10 –5
3015 G32
0
–55°C
25°C
125°C
V
IN
= –30V
POSITIVE CURRENT FLOWS
INTO THE PIN
TEMPERATURE (°C)
–75
–6
SHDN PIN CURRENT (µA)
15
18
21
12
9
3
6
0
–3
24
75 100 125 150 175–25–50 0 25
3015 G33
50
V
IN
= –15V
POSITIVE CURRENT FLOWS
INTO THE PIN
V
SHDN
= –15V
V
SHDN
= 15V
GND Pin Current vs I
LOAD
Positive SHDN Pin Thresholds
LT3015-15 GND Pin Current
T
J
= –55°C
T
J
= –40°C
T
J
= 25°C
T
J
= 125°C
OUTPUT CURRENT (A)
0.0
0
GND PIN CURRENT (mA)
–30
–25
–20
–15
–10
–5
–35
–0.8 –1.0 –1.2 –1.4 –1.6–0.2 –0.4
3015 G29
–0.6
V
IN
= –2.3V
V
OUT
= –1.22V
TEMPERATURE (°C)
–75
0.0
POSITIVE SHDN PIN THRESHOLD (V)
1.2
1.0
0.8
0.6
0.2
0.4
1.4
75 100 125 150 1750–25–50 25
3015 G30
50
V
IN
= –2.3V
TURN ON THRESHOLD
TURN OFF THRESHOLD
INPUT VOLTAGE (V)
0
0
GND PIN CURRENT (mA)
–45
–30
–25
–20
–15
–5
–10
–50
–35
–40
–12 –14 –16 –18 –20–6–4–2 –8
3015 G28
–10
R
L
= 30Ω
I
L
= –0.5A*
R
L
= 10Ω
I
L
= –1.5A*
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= –15V
R
L
= 150Ω
I
L
= –0.1A*
R
L
= 15kΩ
I
L
= –1mA*