LT1117CST-3.3#TR Linear Technology, LT1117CST-3.3#TR Datasheet - Page 4

IC REG LDO POS 3.3V 800MA SOT223

LT1117CST-3.3#TR

Manufacturer Part Number
LT1117CST-3.3#TR
Description
IC REG LDO POS 3.3V 800MA SOT223
Manufacturer
Linear Technology
Datasheet

Specifications of LT1117CST-3.3#TR

Regulator Topology
Positive Fixed
Voltage - Output
3.3V
Voltage - Input
Up to 15V
Voltage - Dropout (typical)
1.1V @ 800mA
Number Of Regulators
1
Current - Limit (min)
800mA
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-223 (3 leads + Tab), SC-73, TO-261
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Current - Output
-

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LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
PARAMETER
Quiescent Current
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
Thermal Resistance
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: See thermal regulation specification for changes in output voltage
due to heating effects. Load regulation and line regulation are measured at
a constant junction temperature by low duty cycle pulse testing.
TYPICAL PERFORMANCE CHARACTERISTICS
4
4
3
2
1
0
0
Minimum Operating Current
(Adjustable Device)
INPUT/OUTPUT DIFFERENTIAL (V)
5
10
LT1117-3.3
LT1117-5
LT1117-2.85
T
T
T
J
J
J
= 125°C
= 25°C
= –55°C
15
1117 G01
20
CONDITIONS
V
V
V
T
f
10mA ≤ I
T
(% of V
(Junction-to-Case, at Tab)
RIPPLE
A
A
IN
IN
IN
= 25°C, 30ms Pulse
= 125°C, 1000Hrs
≤ 10V
≤ 15V
≤ 15V
1.25
1.00
0.75
0.50
0.25
= 120Hz, (V
OUT
0
OUT
0
Short-Circuit Current
J
), 10Hz ≤ f ≤ 10kHz
= 25°C.
≤ 800mA, 1.4V ≤ (V
INPUT/OUTPUT DIFFERENTIAL (V)
The
IN
– V
5
l
OUT
denotes the specifications which apply over the full operating
) = 3V, V
Note 3: Dropout voltage is specified over the full output current range
of the device. Dropout voltage is defined as the minimum input/output
differential measured at the specified output current. Test points and limits
are also shown on the Dropout Voltage curve.
Note 4: Minimum load current is defined as the minimum output current
required to maintain regulation.
IN
10
– V
T
T
RIPPLE
J
J
= 125°C
= 25°C
OUT
) ≤ 10V
= 1V
1117 G02
P-P
15
–0.05
–0.10
–0.15
–0.20
0.10
0.05
l
l
l
l
l
l
0
–50
Load Regulation
ΔI
LOAD
MIN
–25
60
= 800mA
0
TEMPERATURE (°C)
0.003
0.01
TYP
0.2
0.5
0.3
75
55
15
25
5
5
5
50
MAX
120
0.1
10
10
10
5
75
100
1117 G03
UNITS
°C/W
1117fd
%/W
125
mA
mA
mA
dB
μA
μA
%
%
%

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