LT1763CS8 Linear Technology, LT1763CS8 Datasheet - Page 12

• Manufacturer Part Number: LT1763CS8
• Description: IC LDO REG LOW NOISE ADJ 8-SOIC
• Manufacturer: Linear Technology

Specifications of LT1763CS8

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.22 ~ 20 V
• Voltage - Input: 1.8 ~ 20 V
• Voltage - Dropout (typical): 0.3V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Current - Limit (min): 520mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Voltage Regulator Type: Linear
• Topology: LDO
• Regulator Output Type: Adjustable
• Polarity Type: Positive
• Number Of Outputs: Single
• Input Voltage (min): 1.8V
• Input Voltage (max): 20V
• Output Voltage: 1.22 to 20V
• Package Type: SOIC N
• Output Current: 500mA
• Load Regulation: 6mV
• Line Regulation: 5mV
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Dropout Voltage@current (max): 0.19@10mA/0.22@50mA
• Dropout Voltage@current (typ): 0.13@10mA/0.17@50mA
• Pin Count: 8
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

100μV/DIV
LT1763 Series
TYPICAL PERFORMANCE CHARACTERISTICS
12
V
0.01
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.1
OUT
10
1
0
–50
10
Output Noise Spectral Density
LT1763-5
10Hz to 100kHz Output Noise
C
C
I
LT1763
Minimum Input Voltage
L
LT1763
OUT
C
C
I
BYP
LT1763-5
V
L
= 500mA
BYP
OUT
OUT
= 500mA
–25
= 10μF
= 0.01μF
= 0
= 10μF
= 1.22V
100
0
TEMPERATURE (°C)
FREQUENCY (Hz)
25
1ms/DIV
1k
50
I
L
I
= 500mA
L
C
= 1mA
BYP
75
C
10k
BYP
= 1000pF
= 100pF
100
1763 G49
1763 G46
1763 G52
100k
125
100μV/DIV
V
160
140
120
100
–10
–15
–20
–25
OUT
–5
80
60
40
20
0
5
0
–50
10
RMS Output Noise
vs Bypass Capacitor
LT1763-5
10Hz to 100kHz Output Noise
C
Load Regulation
C
I
L
LT1763
OUT
LT1763-5
BYP
= 500mA
V
LT1763
LT1763-3
IN
I
–25
L
LT1763-1.8
= 10μF
= V
= 1mA TO 500mA
= 100pF
OUT(NOMINAL)
LT1763-3.3
LT1763-3.3
LT1763-1.5
0
TEMPERATURE (°C)
100
LT1763-2.5
C
LT1763-3
1ms/DIV
25
BYP
LT1763-5
+ 1V
(pF)
LT1763-2.5
50
C
I
f = 10Hz TO 100kHz
L
OUT
= 500mA
1000
LT1763-1.5
= 10μF
75
LT1763-1.8
100
1763 G50
1763 G47
1763 G53
10000
125
100μV/DIV
V
0.01
160
140
120
100
OUT
0.1
10
80
60
40
20
0
1
0.01
10
LT1763-5
10Hz to 100kHz Output Noise
C
RMS Output Noise
vs Load Current (10Hz to 100kHz)
C
I
Output Noise Spectral Density
C
L
OUT
C
BYP
BYP
C
I
= 500mA
L
OUT
LT1763-5
LT1763
OUT
= 500mA
C
C
= 10μF
BYP
= 1000pF
BYP
= 0
= 10μF
= 10μF
0.1
LT1763-1.8
100
LT1763-3
= 0.01μF
= 0
LOAD CURRENT (mA)
FREQUENCY (Hz)
LT1763-2.5
1
1ms/DIV
LT1763-3.3
1k
LT1763-1.5
10
LT1763-5
LT1763-5
10k
LT1763
LT1763
100
1763 G48
1763 G51
1763 G54
1763fg
100k
1000