LT6658 查看數據表（PDF） - Linear Technology
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LT6658 Datasheet PDF : 30 Pages
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Available Options
OUTPUT VOLTAGE
2.500V
INITIAL ACCURACY
0.05%
0.1%
0.05%
0.1%
LT6658
TEMPERATURE COEFFICIENT
10ppm/°C
20ppm/°C
10ppm/°C
20ppm/°C
SPECIFIED JUNCTION TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 125°C
–40°C to 125°C
Electrical Characteristics The l denotes the specifications which apply over the full specified temperature
range, otherwise specifications are at TA = 25°C. VIN = VIN1 = VIN2 = VOUT1,2_F + 2.5V, COUT1,2 = 1µF, ILOAD = 0, unless otherwise noted.
PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
Output Voltage Accuracy
LT6658A
LT6658B
LT6658AI
LT6658BI
LT6658AH
LT6658BH
–0.05
0.05
%
–0.1
0.1
%
l –0.175
0.175
%
l –0.35
0.35
%
l –0.215
0.215
%
l –0.43
0.43
%
Output Voltage Temperature LT6658A
Coefficient (Note 4)
LT6658B
l
3
10
ppm/°C
l
10
20
ppm/°C
Line Regulation (Note 5)
VOUT + 2.5V ≤ VIN ≤ 36V, VIN = VIN1 = VIN2
1.4 4.5
ppm/V
l
5
ppm/V
Load Regulation (Note 5)
Output 1 Sourcing, ΔILOAD = 0mA to 150mA
0.1 0.5
ppm/mA
l
0.8
ppm/mA
Output 2 Sourcing, ΔILOAD = 0mA to 50mA (Note 6)
0.1 1.3
ppm/mA
l
1.5
ppm/mA
Output 1 Sinking, ΔILOAD = 0mA to 20mA
0.1 2.2
ppm/mA
l
2.5
ppm/mA
Output 2 Sinking, ΔILOAD = 0mA to 20mA
0.1 2.2
ppm/mA
l
2.5
ppm/mA
VIN Minimum Voltage
ΔVOUT = 0.1%, IOUT = 0mA, VIN1 = VIN2 = VOUT + 2.5V
3.5 3.9
V
l
4.25
V
VIN1 Dropout Voltage
VIN2 Dropout Voltage
Supply Current
Output Short-Circuit Current
Output Noise Voltage (Note 7)
ΔVOUT = 0.1%, IOUT = 0mA, VIN = VIN2 = VOUT + 2.5V
ΔVOUT = 0.1%,IOUT = 150mA,VIN = VIN2 = VOUT + 2.5V
ΔVOUT = 0.1%, IOUT = 0mA, VIN = VIN1 = VOUT + 2.5V
ΔVOUT = 0.1%, IOUT = 50mA, VIN = VIN1 = VOUT + 2.5V
VOD = 5V, No Load
VOD = 0.8V, No Load
Short VOUT1_F to GND
Short VOUT2_F to GND
0.1Hz ≤ f ≤ 10Hz
2.0 2.3
l
2.2 2.5
1.8 2.2
l
2
2.5
l
1.9 3.0
l
1.0 1.2
l 170 270
l 65 120
1.5
10Hz ≤ f ≤ 1kHz, COUT = 1µF, CNR = 10µF, ILOAD = Full Current (Note 9)
2
Frequency = 1kHz, COUT1 = 1µF, CNR = 10µF, ILOAD = Full Current (Note 9)
8
Output Voltage Tracking
Tracking = Output 1 – Output 2
0.9
V
V
V
V
mA
mA
mA
mA
ppmP–P
ppmRMS
nV/√Hz
µV/°C
VOUT1_S, VOUT2_S Pin Current
OD Threshold Voltage
Unity Gain
Logic High Input Voltage
Logic Low Input Voltage
135
nA
l2
l
V
0.8
V
OD Pin Current
VOD = 0V
VOD = 36V
l
30
45
μA
l
0.3 1.5
μA
6658f
For more information www.linear.com/LT6658
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