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
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Minimum Input Voltage (Notes 4, 12)
Regulated Output Voltage (Note 5)
ADJ Pin Voltage (Notes 4, 5)
Line Regulation
Load Regulation
Dropout Voltage
VIN = VOUT(NOMINAL)
(Notes 6, 7, 12)
GND Pin Current
VIN = VOUT(NOMINAL) + 1V
(Notes 6, 8)
Output Voltage Noise
ADJ Pin Bias Current (Notes 4, 9)
ILOAD = 0.5A
ILOAD = 1.1A
LT1965-1.5, VIN = 2.1V, ILOAD = 1mA
LT1965-1.5, 2.5 < VIN < 20V, 1mA < ILOAD < 1.1A
LT1965-1.8, VIN = 2.3V, ILOAD = 1mA
LT1965-1.8, 2.8 < VIN < 20V, 1mA < ILOAD < 1.1A
LT1965-2.5, VIN = 3V, ILOAD = 1mA
LT1965-2.5, 3.5 < VIN < 20V, 1mA < ILOAD < 1.1A
LT1965-3.3, VIN = 3.8V, ILOAD = 1mA
LT1965-3.3, 4.3 < VIN < 20V, 1mA < ILOAD < 1.1A
VIN = 2.1V, ILOAD = 1mA
2.3V < VIN < 20V, 1mA < ILOAD < 1.1A
LT1965-1.5, ΔVIN = 2.1V to 20V, ILOAD = 1mA
LT1965-1.8, ΔVIN = 2.3V to 20V, ILOAD = 1mA
LT1965-2.5, ΔVIN = 3V to 20V, ILOAD = 1mA
LT1965-3.3, ΔVIN = 3.8V to 20V, ILOAD = 1mA
LT1965, ΔVIN = 2.1V to 20V, ILOAD = 1mA (Note 4)
LT1965-1.5, VIN = 2.5V, ΔILOAD = 1mA to 1.1A
LT1965-1.5, VIN = 2.5V, ΔILOAD = 1mA to 1.1A
LT1965-1.8, VIN = 2.8V, ΔILOAD = 1mA to 1.1A
LT1965-1.8, VIN = 2.8V, ΔILOAD = 1mA to 1.1A
LT1965-2.5, VIN = 3.5V, ΔILOAD = 1mA to 1.1A
LT1965-2.5, VIN = 3.5V, ΔILOAD = 1mA to 1.1A
LT1965-3.3, VIN = 4.3V, ΔILOAD = 1mA to 1.1A
LT1965-3.3, VIN = 4.3V, ΔILOAD = 1mA to 1.1A
LT1965, VIN = 2.3V, ΔILOAD = 1mA to 1.1A (Note 4)
LT1965, VIN = 2.3V, ΔILOAD = 1mA to 1.1A (Note 4)
ILOAD = 1mA
ILOAD = 1mA
ILOAD = 100mA
ILOAD = 100mA
ILOAD = 500mA
ILOAD = 500mA
ILOAD = 1.1A
ILOAD = 1.1A
ILOAD = 0mA
ILOAD = 1mA
ILOAD = 100mA
ILOAD = 500mA
ILOAD = 1.1A
COUT = 10μF, ILOAD = 1.1A, BW = 10Hz to 100kHz
l
1.477
l 1.455
1.773
l 1.746
2.462
l 2.425
3.25
l 3.201
1.182
l 1.164
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1.65
1.8
1.5
1.5
1.8
1.8
2.5
2.5
3.3
3.3
1.2
1.2
3.5
4
4.5
5.5
3
5.25
6.25
8.75
11.5
4.25
0.055
0.12
0.21
0.31
0.5
0.6
2.2
8.2
21
40
1.3
2.3
1.523
1.545
1.827
1.854
2.538
2.575
3.35
3.399
1.218
1.236
9
10
11.5
16
8
10
20
12
24
16.5
33
22
44
8
16
0.08
0.14
0.175
0.28
0.25
0.36
0.36
0.49
1.1
1.5
5.5
20
40
4.5
V
V
V
V
V
V
V
V
V
V
V
V
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
μVRMS
μA
Shutdown Threshold
SHDN Pin Current (Note 10)
Quiescent Current in Shutdown
Ripple Rejection
VOUT = Off to On
VOUT = On to Off
VSHDN = 0V
VSHDN = 20V
VIN = 6V, VSHDN = 0V
VIN – VOUT = 1.5V (AVG), VRIPPLE = 0.5VP-P,
fRIPPLE = 120Hz, ILOAD = 0.75A
l
0.85
2
V
l 0.2
0.45
V
0.01
1
μA
5.5
10
μA
0.01
1
μA
57
75
dB
1965fa
4
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