LT1790BIS6-1.25#PBF Linear Technology, LT1790BIS6-1.25#PBF Datasheet - Page 17

• Manufacturer Part Number: LT1790BIS6-1.25#PBF
• Manufacturer: Linear Technology

Specifications of LT1790BIS6-1.25#PBF

• Fixed / Adjust / Prog: Precision
• Output Voltage (max): 1.25V
• Temperature Coefficient: 25ppm/°C
• Reference Voltage Accuracy (max): 0.1
• Line Regulation: 170ppm/V
• Load Regulation: 180ppm/mA
• Input Voltage (max): 20V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 6
• Package Type: TSOT-23
• Lead Free Status / RoHS Status: Compliant

5V TYPICAL PERFORMANCE CHARACTERISTICS
Each of the voltage options have similar performance curves. For the 3V, 3.3V and the 4.096V options,
the curves can be estimated based on the 2.5V and 5V curves.
–1000
–1200
–1400
–1600
–1800
–2000
5.025
5.020
5.015
5.010
5.005
5.000
4.995
4.990
4.985
–200
–400
–600
–800
5.04
5.02
5.00
4.98
4.96
4.94
4.92
0
–50
0.1
0
Output Voltage Temperature Drift
Load Regulation (Sourcing)
Line Regulation
FOUR TYPICAL PARTS
–30
2
–10
4
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
6
10
T
A
8
= 125°C
T
30
A
= 25°C
10
1
T
50
T
T
A
A
A
12
= –55°C
= 125°C
= 25°C
T
70
A
14
= –55°C
90
16
110
17905 G01
17905 G04
17905 G07
18
130
20
10
2000
1800
1600
1400
1200
1000
800
600
400
200
–10
–20
–30
–40
–50
–60
–70
–80
0.1
10
20
10
0
0
1
100
0.1
0
Minimum Input-Output Voltage
Differential (Sourcing)
Load Regulation (Sinking)
Power Supply Rejection Ratio
vs Frequency
C
T
L
A
= 1μF
= –55°C
0.1
INPUT-OUTPUT VOLTAGE (V)
1k
OUTPUT CURRENT (mA)
0.2
FREQUENCY (Hz)
T
A
= 125°C
10k
0.3
1
T
A
T
A
T
= 25°C
A
= 125°C
0.4
= –40°C
100k
T
A
0.5
= 25°C
17905 G02
17905 G05
17905 G08
1M
0.6
10
1000
–10
–30
–50
100
90
70
50
30
10
80
70
60
50
40
30
20
10
10
0
1
–50
100
0
Minimum Input-Output Voltage
Differential (Sinking)
Supply Current vs Input Voltage
Output Impedance vs Frequency
–30
–10
C
5
L
TEMPERATURE (°C)
INPUT VOLTAGE (V)
= 4.7μF
10
1k
FREQUENCY (Hz)
30
10
50
C
L
LT1790
= 0.47μF
5mA
T
T
10k
70
T
A
A
A
= 125°C
= –55°C
= 25°C
100μA
C
15
1mA
L
90
= 1μF
17
110
17905 G03
17905 G06
17905 G09
1790fb
100k
130
20