Datasheet

LT1964
5
1964fb
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current
LT1964-5
Output Voltage LT1964 ADJ Pin Voltage
LT1964-5
Quiescent Current LT1964 Quiescent Current
LT1964-5
GND Pin Current
Typical Dropout Voltage Guaranteed Dropout Voltage Dropout Voltage
OUTPUT CURRENT (mA)
0
500
450
400
350
300
250
200
150
100
50
0
1964 G01
–40 –80 –120 –160 –200
DROPOUT VOLTAGE (mV)
T
J
= 125°C
T
J
= 25°C
OUTPUT CURRENT (mA)
0
500
450
400
350
300
250
200
150
100
50
0
1964 G02
–40 –80 –120 –160 –200
DROPOUT VOLTAGE (mV)
T
J
≤ 125°C
= TEST POINT
T
J
≤ 25°C
TEMPERATURE (°C)
500
450
400
350
300
250
200
150
100
50
0
1964 G03
DROPOUT VOLTAGE (mV)
I
L
= –100mA
I
L
= –50mA
I
L
= –10mA
I
L
= –1mA
I
L
= –200mA
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
0
1964 G04
QUIESCENT CURRENT (μA)
V
IN
= –6V
R
L
= 250k (∞ FOR LT1964-5)
I
L
= –5μA (0 FOR LT1964-5)
–50 –25 0 25 50 75 100 125
V
SHDN
= V
IN
V
SHDN
= 0V
TEMPERATURE (°C)
–5.12
–5.09
–5.06
–5.03
–5.00
–4.97
–4.94
–4.91
–4.88
1964 G05
OUTPUT VOLTAGE (V)
I
L
= –1mA
–50 –25 0 25 50 75 100 125
TEMPERATURE (°C)
–1.240
–1.235
–1.230
–1.225
–1.220
–1.215
–1.210
–1.205
–1.200
1964 G06
ADJ PIN VOLTAGE (V)
I
L
= –1mA
–50 –25 0 25 50 75 100 125
INPUT VOLTAGE (V)
–40
–35
–30
–25
–20
–15
–10
–5
–0
1964 G07
QUIESCENT CURRENT (μA)
0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10
T
J
= 25°C
R
L
= ∞
V
SHDN
= V
IN
V
SHDN
= 0V
INPUT VOLTAGE (V)
–40
–35
–30
–25
–20
–15
–10
–5
–0
1964 G08
QUIESCENT CURRENT (μA)
0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10
T
J
= 25°C
R
L
= 250k
I
L
= –5μA
V
SHDN
= V
IN
V
SHDN
= 0V
INPUT VOLTAGE (V)
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
1964 G09
GND PIN CURRENT (mA)
0 –1 –2 –3 –4 –5 –6 –7 –8 –9 –10
T
J
= 25°C
V
SHDN
= V
IN
*FOR V
OUT
= –5V
R
L
= 25
I
L
= –200mA*
R
L
= 50
I
L
= –100mA*
R
L
= 100
I
L
= –50mA*
R
L
= 500
I
L
= –10mA*
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