LD1117ASTR STMicroelectronics, LD1117ASTR Datasheet - Page 5

• Manufacturer Part Number: LD1117ASTR
• Description: IC REG LDO POS 1A ADJ SOT-223
• Manufacturer: STMicroelectronics

Specifications of LD1117ASTR

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.25 ~ 15 V
• Voltage - Input: Up to 15V
• Voltage - Dropout (typical): 1.15V @ 1A
• Number Of Regulators: 1
• Current - Output: 1.2A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 15 V
• Output Voltage: 1.25 V
• Output Type: Adjustable
• Dropout Voltage (max): 1.3 V
• Output Current: 1000 mA
• Line Regulation: 6 mV
• Load Regulation: 10 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 12 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Reference Voltage: 1.275 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1229-2

LD1117AXX12, LD1117AXX18, LD1117AXX33, LD1117AXX
3
Table 2.
Note:
Table 3.
Symbol
R
R
Symbol
thJC
thJA
T
T
V
P
STG
OP
IN
D
Thermal resistance junction-case
Thermal resistance junction-ambient
Maximum ratings
Absolute maximum ratings
Absolute maximum ratings are those values beyond which damage to the device may occur.
Functional operation under these condition is not implied. Over the above suggested max
power dissipation a short circuit could definitively damage the device.
Thermal data
DC input voltage
Power dissipation
Storage temperature range
Operating junction temperature range
Parameter
Parameter
Doc ID 7194 Rev 23
SOT-223
15
DPAK
8
-40 to +150
0 to +125
Value
TO-220
Maximum ratings
15
12
50
5
°C/W
°C/W
Unit
Unit
°C
°C
W
V
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