Datasheet

LT1964
6
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TYPICAL PERFORMANCE CHARACTERISTICS
SHDN Pin Input Current SHDN Pin Input Current ADJ Pin Bias Current
LT1964 GND Pin Current GND Pin Current vs I
LOAD
SHDN Pin Thresholds
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G10
GND PIN CURRENT (mA)
0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10
R
L
= 12.2Ω
I
L
= –100mA*
R
L
= 24.4Ω
I
L
= –50mA*
R
L
= 122Ω
I
L
= –10mA*
T
J
= 25°C; V
SHDN
= V
IN
; *FOR V
OUT
= –1.22V
R
L
= 6.1Ω
I
L
= –200mA*
INPUT VOLTAGE (V)
–4.0
–3.5
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G11
GND PIN CURRENT (mA)
0 –40 –80 –120 –160 –200
V
IN
= V
OUT(NOMINAL)
– 1V
T
J
= –50°C
T
J
= 25°C
T
J
= 125°C
OUTPUT CURRENT (mA)
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
1964 G12
SHDN PIN VOLTAGE (V)
ON
ON
OFF
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125
10
8
6
4
2
0
–2
–4
–6
–8
–10
1964 G13
SHDN PIN INPUT CURRENT (μA)
SHDN PIN VOLTAGE (V)
–10
–8 –6 –4 –2 0 2 4 6 810
T
J
= 25°C
POSITIVE CURRENT
FLOWS INTO THE PIN
12
9
6
3
0
–3
–6
–9
1964 G14
SHDN PIN INPUT CURRENT (μA)
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125
V
SHDN
= 15V
V
SHDN
= –15V
V
IN
= –15V
POSITIVE CURRENT
FLOWS INTO THE PIN
–70
–60
–50
–40
–30
–20
–10
0
1964 G15
ADJ PIN BIAS CURRENT (nA)
TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125
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