LT1790AIS6-1.25#TRMPBF Linear Technology, LT1790AIS6-1.25#TRMPBF Datasheet - Page 15

• 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

2.5 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.
–1600
–1800
–2000
–1000
–1200
–1400
2.515
2.510
2.505
2.500
2.495
2.490
2.489
2.508
2.506
2.504
2.502
2.500
2.498
2.496
2.494
–200
–400
–600
–800
0
–50
0.1
0
Line Regulation
Output Voltage Temperature Drift
Load Regulation (Sourcing)
FOUR TYPICAL PARTS
–30 –10
2
4
OUTPUT CURRENT (mA)
6
INPUT VOLTAGE (V)
TEMPERATURE (°C)
10
T
T
A
A
T
T
= 125°C
8
= 25°C
T
A
A
30
A
= 125°C
= –55°C
= 25°C
10
1
50
T
A
12
= –55°C
70
14
90 110
16
17902.5 G01
17902.5 G07
17902.5 G04
18
130
20
10
2000
1800
1600
1400
1200
1000
400
200
800
600
–10
–20
–30
–40
–50
–60
–70
–80
0.1
10
20
10
1
0
0
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
T
FREQUENCY (Hz)
A
= 125°C
0.3
10k
T
1
A
T
= –55°C
A
= 25°C
T
A
0.4
= 125°C
T
A
100k
= 25°C
0.5
17902.5 G02
17902.5 G05
17902.5 G08
0.6
1M
10
1000
100
–30
–10
50
10
80
70
60
50
40
30
20
10
10
90
70
30
0
1
100
–50
0
Output Impedance vs Frequency
Minimum Input-Output Voltage
Differential (Sinking)
Supply Current vs Input Voltage
–30
–10
C
L
5
= 4.7μF
INPUT VOLTAGE (V)
TEMPERATURE (°C)
10
1k
FREQUENCY (Hz)
30
T
T
T
C
10
A
A
A
L
= 25°C
= –55°C
= 125°C
= 0.47μF
50
LT1790
C
L
10k
70
5mA
= 1μF
15
90 110
1mA
15
100μA
17902.5 G06
17902.5 G09
17902.5 G03
1790fb
100k
130
20