English
Language : 

LT1761_10 Datasheet, PDF (10/22 Pages) Linear Technology – 100mA, Low Noise, LDO Micropower Regulators in TSOT-23
LT1761 Series
TYPICAL PERFORMANCE CHARACTERISTICS
LT1761-2
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 2V
2.00
1.75
RL = 20Ω
IL = 100mA*
1.50
1.25
1.00
RL = 40Ω
IL = 50mA*
0.75
0.50
0.25
RL = 2k
IL = 1mA*
RL = 200Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G04
LT1761-3
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 3V
2.00
1.75
RL = 30Ω
1.50
IL = 100mA*
1.25
1.00
RL = 60Ω
IL = 50mA*
0.75
0.50
0.25
RL = 3k
IL = 1mA*
RL = 300Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G21
LT1761-BYP, LT1761-SD
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 1.22V
2.00
RL = 12.2Ω
1.75
IL = 100mA*
1.50
1.25
RL = 24.4Ω
1.00
IL = 50mA*
0.75
0.50
0.25
RL = 1.22k
IL = 1mA*
RL = 122Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G24
10
LT1761-2.5
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 2.5V
2.00
RL = 25Ω
1.75
IL = 100mA
1.50
1.25
1.00
RL = 50Ω
IL = 50mA*
0.75
0.50
0.25
RL = 2.5k
IL = 1mA*
RL = 250Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G20
LT1761-3.3
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 3.3V
2.00
1.75
RL = 33Ω
1.50
IL = 100mA*
1.25
1.00
RL = 66Ω
IL = 50mA*
0.75
0.50
0.25
RL = 3.3k
IL = 1mA*
RL = 330Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G22
GND Pin Current vs ILOAD
2.50
VIN = VOUT(NOMINAL) + 1V
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0
0 10 20 30 40 50 60 70 80 90 100
OUTPUT CURRENT (mA)
1761 G25
LT1761-2.8
GND Pin Current
2.50
TJ = 25°C
2.25
*FOR VOUT = 2.8V
2.00
RL = 28Ω
1.75
IL = 100mA
1.50
1.25
1.00
RL = 56Ω
IL = 50mA*
0.75
0.50
0.25
RL = 2.8k
IL = 1mA*
RL = 280Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G56
LT1761-5
GND Pin Current
2.50
TJ = 25°C
2.25 *FOR VOUT = 5V
2.00
1.75
1.50
RL = 50Ω
IL = 100mA
1.25
RL = 100Ω
1.00
IL = 50mA*
0.75
0.50
0.25
RL = 5k
IL = 1mA*
RL = 500Ω
IL = 10mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1761 G23
SHDN Pin Threshold
(On to Off)
1.0
IL = 1mA
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1761 G26
1761sff