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LT1763CS8 Datasheet(PDF) 10 Page - Linear Technology

Part # LT1763CS8
Description  500mA, Low Noise, LDO Micropower Regulators
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1763CS8 Datasheet(HTML) 10 Page - Linear Technology

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10
LT1763 Series
1763fa
TYPICAL PERFORMANCE CHARACTERISTICS
LT1763-5
Transient Response
CBYP = 0
LT1763-5
Transient Response
CBYP = 0.01µF
TIME (
µs)
0.4
0.2
0
–0.2
–0.4
600
400
200
0
1763 G48
0
200
400
600
800
1000
VIN = 6V
CIN = 10µF
COUT = 10µF
TIME (
µs)
0.10
0.05
0
–0.05
–0.10
600
400
200
0
1763 G49
020 30
50
70
90
10
40
60
80
100
VIN = 6V
CIN = 10µF
COUT = 10µF
1ms/DIV
COUT = 10µF
IL = 500mA
1763 G44
1ms/DIV
COUT = 10µF
IL = 500mA
1763 G47
LT1763-5
10Hz to 100kHz Output Noise
CBYP = 0
VOUT
100
µV/DIV
LT1763-5
10Hz to 100kHz Output Noise
CBYP = 100pF
VOUT
100
µV/DIV
1ms/DIV
COUT = 10µF
IL = 500mA
1763 G45
LT1763-5
10Hz to 100kHz Output Noise
CBYP = 1000pF
VOUT
100
µV/DIV
1ms/DIV
COUT = 10µF
IL = 500mA
1763 G46
LT1763-5
10Hz to 100kHz Output Noise
CBYP = 0.01µF
VOUT
100
µV/DIV
voltage drops are caused by the resistance (RP) of PC
traces between the regulator and the load. These may be
eliminated by connecting the SENSE pin to the output at
the load as shown in Figure 1 (Kelvin Sense Connection).
OUT (Pin 1): Output. The output supplies power to the
load. A minimum output capacitor of 3.3
µF is required to
prevent oscillations. Larger output capacitors will be
required for applications with large transient loads to limit
peak voltage transients. See the Applications Information
section for more information on output capacitance and
reverse output characteristics.
SENSE (Pin 2): Output Sense. For fixed voltage versions
of the LT1763 (LT1763-1.5/LT1763-1.8/LT1763-2.5/
LT1763-3/LT1763-3.3/LT1763-5), the SENSE pin is the
input to the error amplifier. Optimum regulation will be
obtained at the point where the SENSE pin is connected to
the OUT pin of the regulator. In critical applications, small
PIN FUNCTIONS
Figure 1. Kelvin Sense Connection
IN
SHDN
1763 F01
RP
OUT
VIN
SENSE
GND
LT1763
RP
3
2
1
5
8
+
+
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