LT1790BCS6-1.25#PBF Linear Technology, LT1790BCS6-1.25#PBF Datasheet - Page 14

• Manufacturer Part Number: LT1790BCS6-1.25#PBF
• Description: LEADFREE 0.1% 22PPM MUP SOT 23 REF
• Manufacturer: Linear Technology

Specifications of LT1790BCS6-1.25#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: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 6
• Package Type: TSOT-23
• Lead Free Status / RoHS Status: Compliant

LT1790
2.048V 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.
14
0.30
0.25
0.20
0.15
0.10
0.05
0
–4
0
– 2.048V Characteristics
Output Noise 0.1Hz to 10Hz
LT1790-2.048
–3.5 –3 –2.5 –2 –1.5 –1 –0.5
1
1
–V
4
OUTPUT TO GROUND VOLTAGE (V)
EE
2
R
5k
2
R1 10k
L
3
6
1μF
3V
V
TIME (SEC)
4
OUT
5
6
7
100
T
T
T
10
A
A
A
1
8
10
= 125°C
= 25°C
= –55°C
17092.048 G10
17902.048 G12
Integrated Noise 10Hz to 1kHz
9
10
0
FREQUENCY (Hz)
100
–100
100
–20
–40
–60
–80
80
60
40
20
10
9
8
7
6
4
2
1
0
0
5
3
10
0
17902.048 G14
Long-Term Drift
Output Voltage Noise Spectrum
T
2 TYPICAL PARTS SOLDERED TO PCB
C
A
L
= 30°C
= 1μF
1000
200
100
FREQUENCY (Hz)
400
I
HOURS
O
I
= 250μA
O
I
O
= 0μA
= 100μA
600
I
O
= 1mA
1k
800
17902.048 G11
17902.048 G13
1000
10k
1790fb