LT1790AIS6-1.25#TRMPBF Linear Technology, LT1790AIS6-1.25#TRMPBF Datasheet - Page 13

• Manufacturer Part Number: LT1790AIS6-1.25#TRMPBF
• Description: IC REF LDO 1.25V MICRPWR SOT23-6
• Manufacturer: Linear Technology

Specifications of LT1790AIS6-1.25#TRMPBF

• Reference Type: Series
• Voltage - Output: 1.25V
• Tolerance: ±0.05%
• Temperature Coefficient: 10ppm/°C
• Voltage - Input: 2.6 ~ 18 V
• Number Of Channels: 1
• Current - Quiescent: 60µA
• Current - Output: 5mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Cathode: -
• Other names: LT1790AIS6-1.25#PBF; LT1790AIS6-1.25#PBF

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.
2.056
2.054
2.052
2.050
2.048
2.046
2.044
2.042
–1000
–1200
–1400
–1600
–1800
–2000
2.054
2.052
2.050
2.048
2.046
2.044
2.042
–200
–400
–600
–800
0
–50
0.1
0
Output Voltage Temperature Drift
Load Regulation (Sourcing)
Line Regulation
FOUR TYPICAL PARTS
–30 –10 10
2
4
OUTPUT CURRENT (mA)
TEMPERATURE (°C)
T
INPUT VOLTAGE (V)
6
A
= 125°C
8
T
30
A
= 25°C
10
1
T
50
T
T
A
A
A
12
T
= –55°C
= 125°C
= 25°C
A
70
= –55°C
14
90 110
16
17902.048 G01
17902.048 G07
17902.048 G04
18
130
20
10
2000
1800
1600
1400
1200
1000
–10
–20
–30
–40
–50
–60
–70
–80
400
200
0.1
800
600
10
20
10
1
0
0
100
0.1
Load Regulation (Sinking)
Power Supply Rejection Ratio
vs Frequency
Minimum Input-Output Voltage
Differential (Sourcing)
0
C
L
= 1μF
0.1
INPUT-OUTPUT VOLTAGE (V)
T
1k
A
OUTPUT CURRENT (mA)
0.2
= 25°C
FREQUENCY (Hz)
0.3
10k
T
1
A
T
0.4
= 125°C
A
= –40°C
0.5
T
100k
A
T
A
= 125°C
T
= –55°C
A
17902.048 G02
17902.048 G08
17902.048 G05
0.6
= 25°C
1M
0.7
10
1000
130
110
–10
–30
–50
100
90
70
50
30
10
80
70
60
50
40
30
20
10
10
0
1
–50
10k
0
Minimum Input-Output Voltage
Differential (Sinking)
Supply Current vs Input Voltage
Output Impedance vs Frequency
–30
–10
C
C
5
L
L
TEMPERATURE (°C)
= 4.7μF
INPUT VOLTAGE (V)
= 1μF
100k
10
FREQUENCY (Hz)
30
100μA
10
50
C
T
T
LT1790
L
A
1mA
A
T
= 0.47μF
1M
70
= –55°C
= 25°C
A
= 125°C
5mA
15
90
13
17902.048 G03
17902.048 G06
17902.048 G09
110
1790fb
10M
130
20