LM317MDT STMicroelectronics, LM317MDT Datasheet - Page 2

• Manufacturer Part Number: LM317MDT
• Description: IC REG 1.2V-37V ADJ VOLT D-PAK
• Manufacturer: STMicroelectronics

Specifications of LM317MDT

• Regulator Topology: Positive Adjustable
• Voltage - Output: 1.2 ~ 37 V
• Number Of Regulators: 1
• Current - Output: 500mA
• Current - Limit (min): 500mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: 1.2 V to 37 V
• Output Current: 1000 mA
• Line Regulation: 0.04 % / V
• Load Regulation: 0.5 % / V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Reference Voltage: 1.3 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Voltage - Dropout (typical): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Contents
1
2
3
4
5
6
7
8
9
2/21
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.1
6.2
6.3
Application circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
External capacitors
Protection diodes
Start-up block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
(Figure
(Figure
8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9