LT1965_1 Datasheet, PDF (4/20 Pages) Linear Technology – 1.1A, Low Noise, Low Dropout Linear Regulator

LT1965 Series
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 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
V_IN = V_OUT(NOMINAL)
(Notes 6, 7, 12)
GND Pin Current
V_IN = V_OUT(NOMINAL) + 1V
(Notes 6, 8)
Output Voltage Noise
ADJ Pin Bias Current (Notes 4, 9)
I_LOAD = 0.5A
I_LOAD = 1.1A
LT1965-1.5, V_IN = 2.1V, I_LOAD = 1mA
LT1965-1.5, 2.5 < V_IN < 20V, 1mA < I_LOAD < 1.1A
LT1965-1.8, V_IN = 2.3V, I_LOAD = 1mA
LT1965-1.8, 2.8 < V_IN < 20V, 1mA < I_LOAD < 1.1A
LT1965-2.5, V_IN = 3V, I_LOAD = 1mA
LT1965-2.5, 3.5 < V_IN < 20V, 1mA < I_LOAD < 1.1A
LT1965-3.3, V_IN = 3.8V, I_LOAD = 1mA
LT1965-3.3, 4.3 < V_IN < 20V, 1mA < I_LOAD < 1.1A
V_IN = 2.1V, I_LOAD = 1mA
2.3V < V_IN < 20V, 1mA < I_LOAD < 1.1A
LT1965-1.5, ΔV_IN = 2.1V to 20V, I_LOAD = 1mA
LT1965-1.8, ΔV_IN = 2.3V to 20V, I_LOAD = 1mA
LT1965-2.5, ΔV_IN = 3V to 20V, I_LOAD = 1mA
LT1965-3.3, ΔV_IN = 3.8V to 20V, I_LOAD = 1mA
LT1965, ΔV_IN = 2.1V to 20V, I_LOAD = 1mA (Note 4)
LT1965-1.5, V_IN = 2.5V, ΔI_LOAD = 1mA to 1.1A
LT1965-1.5, V_IN = 2.5V, ΔI_LOAD = 1mA to 1.1A
LT1965-1.8, V_IN = 2.8V, ΔI_LOAD = 1mA to 1.1A
LT1965-1.8, V_IN = 2.8V, ΔI_LOAD = 1mA to 1.1A
LT1965-2.5, V_IN = 3.5V, ΔI_LOAD = 1mA to 1.1A
LT1965-2.5, V_IN = 3.5V, ΔI_LOAD = 1mA to 1.1A
LT1965-3.3, V_IN = 4.3V, ΔI_LOAD = 1mA to 1.1A
LT1965-3.3, V_IN = 4.3V, ΔI_LOAD = 1mA to 1.1A
LT1965, V_IN = 2.3V, ΔI_LOAD = 1mA to 1.1A (Note 4)
LT1965, V_IN = 2.3V, ΔI_LOAD = 1mA to 1.1A (Note 4)
I_LOAD = 1mA
I_LOAD = 1mA
I_LOAD = 100mA
I_LOAD = 100mA
I_LOAD = 500mA
I_LOAD = 500mA
I_LOAD = 1.1A
I_LOAD = 1.1A
I_LOAD = 0mA
I_LOAD = 1mA
I_LOAD = 100mA
I_LOAD = 500mA
I_LOAD = 1.1A
C_OUT = 10μF, I_LOAD = 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
μV_RMS
μA
Shutdown Threshold
SHDN Pin Current (Note 10)
Quiescent Current in Shutdown
Ripple Rejection
V_OUT = Off to On
V_OUT = On to Off
V_SHDN = 0V
V_SHDN = 20V
V_IN = 6V, V_SHDN = 0V
V_IN – V_OUT = 1.5V (AVG), V_RIPPLE = 0.5V_P-P,
f_RIPPLE = 120Hz, I_LOAD = 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