LT3012 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3012 Datasheet PDF : 16 Pages
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LT3012
ELECTRICAL CHARACTERISTICS (LT3012E)
The l denotes the specifications which apply over the –40°C to 125°C operating temperature range, otherwise specifications are at TJ = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Minimum Input Voltage
ADJ Pin Voltage (Notes 2, 3)
Line Regulation
Load Regulation (Note 2)
Dropout Voltage
VIN = VOUT(NOMINAL) (Notes 4, 5)
GND Pin Current
VIN = 4.75V (Notes 4, 6)
Output Voltage Noise
ADJ Pin Bias Current
ILOAD = 250mA
VIN = 4V, ILOAD = 1mA
4.75V < VIN < 80V, 1mA < ILOAD < 250mA
ΔVIN = 4V to 80V, ILOAD = 1mA (Note 2)
VIN = 4.75V, ΔILOAD = 1mA to 250mA
VIN = 4.75V, ΔILOAD = 1mA to 250mA
ILOAD = 10mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD = 50mA
ILOAD = 250mA
ILOAD = 250mA
ILOAD = 0mA
ILOAD = 100mA
ILOAD = 250mA
COUT = 10μF, ILOAD = 250mA, BW = 10Hz to 100kHz
(Note 7)
l
4
4.75
V
1.225 1.24 1.255
V
l 1.2 1.24 1.28
V
l
0.1
5
mV
7
12
mV
l
25
mV
160 230
mV
l
300
mV
250 340
mV
l
420
mV
400 490
mV
l
620
mV
l
40 100
μA
3
mA
l
10
18
mA
100
μVRMS
30 100
nA
Shutdown Threshold
SHDN Pin Current (Note 8)
Quiescent Current in Shutdown
Ripple Rejection
Current Limit
Reverse Output Current (Note 9)
VOUT = Off to On
VOUT = On to Off
l
1.3
2
V
l 0.3 0.8
V
VSHDN = 0V
VSHDN = 6V
0.3
2
μA
0.1
1
μA
VIN = 6V, VSHDN = 0V
1
5
μA
VIN = 7V(Avg), VRIPPLE = 0.5VP-P, fRIPPLE = 120Hz, ILOAD = 250mA
65
75
dB
VIN = 7V, VOUT = 0V
VIN = 4.75V, ΔVOUT = –0.1V (Note 2)
400
mA
l 250
mA
VOUT = 1.24V, VIN < 1.24V (Note 2)
12
25
μA
ELECTRICAL CHARACTERISTICS (LT3012H)
The l denotes the specifications which apply over the –40°C to 140°C operating temperature range, otherwise specifications are at TJ = 25°C.
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
Minimum Input Voltage
ADJ Pin Voltage (Notes 2, 3)
Line Regulation
Load Regulation (Note 2)
Dropout Voltage
VIN = VOUT(NOMINAL) (Notes 4, 5)
GND Pin Current
VIN = 4.75V (Notes 4, 6)
ILOAD = 200mA
VIN = 4V, ILOAD = 1mA
4.75V < VIN < 80V, 1mA < ILOAD < 200mA
ΔVIN = 4V to 80V, ILOAD = 1mA (Note 2)
VIN = 4.75V, ΔILOAD = 1mA to 200mA
VIN = 4.75V, ΔILOAD = 1mA to 200mA
ILOAD = 10mA
ILOAD = 10mA
ILOAD = 50mA
ILOAD = 50mA
ILOAD = 200mA
ILOAD = 200mA
ILOAD = 0mA
ILOAD = 100mA
ILOAD = 200mA
l
4
4.75
V
1.225 1.24 1.255
V
l 1.2 1.24 1.28
V
l
0.1
5
mV
6
12
mV
l
30
mV
160 230
mV
l
320
mV
250 340
mV
l
450
mV
360 490
mV
l
630
mV
l
40 110
μA
3
mA
l
7
18
mA
3012fd
3
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