LT1965T-1.8(RevA) Просмотр технического описания (PDF) - Linear Technology
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LT1965T-1.8 Datasheet PDF : 20 Pages
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LT1965 Series
TYPICAL PERFORMANCE CHARACTERISTICS
LT1965-2.5 GND Pin Current
(Light Load)
12
TJ = 25°C
VSHDN = VIN
10
*FOR VOUT = 2.5V
8
6
4
RL = 250Ω, IL = 10mA*
RL = 2.5k, IL = 1mA*
2
RL = 50Ω, IL = 50mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G19
LT1965-3.3 GND Pin Current
(Heavy Load)
25
TJ = 25°C
VSHDN = VIN
20
*FOR VOUT = 3.3V
RL = 3Ω, IL = 1.1A*
15
10
RL = 6.6Ω, IL = 500mA*
5
RL = 33Ω, IL = 100mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G22
LT1965-2.5 GND Pin Current
(Heavy Load)
25
TJ = 25°C
VSHDN = VIN
20
*FOR VOUT = 2.5V
RL = 2.272Ω, IL = 1.1A*
15
10
RL = 5Ω, IL = 500mA*
5
RL = 25Ω, IL = 100mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G20
LT1965 GND Pin Current
(Light Load)
2.0
TJ = 25°C
1.8 VSHDN = VIN
1.6 *FOR VOUT = 1.2V
1.4
RL = 24Ω, IL = 50mA*
1.2
1.0
0.8
RL = 120Ω, IL = 10mA*
0.6
RL = 1.2k, IL = 1mA*
0.4
0.2
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G23
LT1965-3.3 GND Pin Current
(Light Load)
12
TJ = 25°C
VSHDN = VIN
10
*FOR VOUT = 3.3V
8
6
4
RL = 330Ω, IL = 10mA*
RL = 3.3k, IL = 1mA*
2
RL = 66Ω, IL = 50mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G21
LT1965 GND Pin Current
(Heavy Load)
25
TJ = 25°C
VSHDN = VIN
20
*FOR VOUT = 1.2V
RL = 1.091Ω, IL = 1.1A*
15
10
RL = 2.4Ω, IL = 500mA*
5
RL = 12Ω, IL = 100mA*
0
0 1 2 3 4 5 6 7 8 9 10
INPUT VOLTAGE (V)
1965 G24
8
GND Pin Current vs ILOAD
25.0
VIN = VOUT(NOMINAL) + 1V
22.5
20.0
17.5
15.0
12.5
10.0
7.50
5.00
2.50
0
0 0.2 0.4 0.6 0.8
LOAD CURRENT (A)
1.0 1.2
1965 G09
SHDN Pin Threshold
1.0
0.9
OFF TO ON
0.8
0.7
0.6
ON TO OFF
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1965 G26
1965fa
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