NCP565 1.5 A Low Dropout Linear Regulator
The NCP565 low dropout linear regulator will provide 1.5 A at a fixed output voltage or an adjustable voltage down to 0.9 V. The fast loop response and low dropout voltage make this regulator ideal for applications where low voltage and good load transient response are important. Device protection includes current limit, short circuit protection, and thermal shutdown. The NCP565 is packaged in a 5 pin D2PAK for adjustable voltage version and a 3 pin D2PAK for fixed voltage version.
Features
• Pb−Free Packages are Available
• Ultra Fast Transient Response (1.0 s)
• Low Ground Current (1.1 mA @ Iload = 1.5 A)
• Low Dropout Voltage (0.9 V @ Iload = 1.5 A)
• Low Noise (28 Vrms)
• 0.9 V Reference Voltage
• Adjustable Output Voltage from 7.7 V down to 0.9 V
• 1.2 V Fixed Output Version. Other Fixed Voltages Available on Request
• Current Limit Protection (3.5 A)
• Thermal Shutdown Protection (155°C)
Typical Applications
• Servers
• ASIC Power Supplies
• Post Regulation for Power Supplies
• Constant Current Source
MAXIMUM RATINGS
| Rating | Symbol | Value | Unit |
| Input Voltage (Note 1) | Vin | 9.0 | V |
| Output Pin Voltage | Vout | −0.3 to Vin + 0.3 | V |
| Adjust Pin Voltage | Vadj | −0.3 to Vin + 0.3 | V |
| Thermal Characteristics (Note 2) Case 936A Thermal Resistance, Junction−to−Air Thermal Resistance, Junction−to−Case | RθJA RθJC | 45 5.0 | °C/W |
| Operating Junction Temperature Range | TJ | −40 to 150 | °C |
| Storage Temperature Range | Tstg | −55 to 150 | °C |
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model JESD 22−A114−B
Machine Model JESD 22−A115−A
2. The maximum package power dissipation is: PD=(TJ(max)-TA) / RθJA
MARKING DIAGRAMS
Figure 1. Typical Schematic, Adjustable Output Figure 2. Typical Schematic, Fixed Output
PACKAGE DIMENSIONS
D2PAK−3
D2T SUFFIX
CASE 936−03
ISSUE B
D2PAK−5
D2T SUFFIX
CASE 936A−02
ISSUE B
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NCP565D2T linear integrated circuits Integrated Circuit Chip 1.5 A Low Dropout Linear Regulator Images
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