LD1117DT12TR STMicroelectronics, LD1117DT12TR Datasheet - Page 2

• Manufacturer Part Number: LD1117DT12TR
• Description: IC REG LDO POS 800MA 1.2V D-PAK
• Manufacturer: STMicroelectronics

Specifications of LD1117DT12TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 15V
• Voltage - Dropout (typical): 1.1V @ 800mA
• Number Of Regulators: 1
• Current - Output: 950mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 15 V
• Output Voltage: 1.2 V
• Output Type: Fixed
• Dropout Voltage (max): 1.1 V
• Output Current: 950 mA
• Line Regulation: 0.2 %
• Load Regulation: 0.4 %
• Voltage Regulation Accuracy: 1 %
• Maximum Power Dissipation: 12 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Reference Voltage: 1.26 V
• Primary Input Voltage: 3.2V
• Output Voltage Fixed: 1.2V
• Dropout Voltage Vdo: 1.1V
• No. Of Pins: 3
• Operating Temperature Range: 0°C To +125°C
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-1231-2

Contents
Contents
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Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Schematic application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
LD1117 adjustable: application note . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Order codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Doc ID 2572 Rev 29
LD1117xx