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Digital Controller for Power Supply Applications with PMBus Interface
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
ADP1055ACPZ-RL by Analog Devices Inc is a Switching Regulator or Controller.
Switching Regulator or Controllers are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
ADP1055ACPZ-RL-ND
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DigiKey | IC DGTL PWR MGMT 32LFCSP Min Qty: 5000 Lead time: 20 Weeks Container: Tape & Reel (TR) | Temporarily Out of Stock |
|
$6.7625 | Buy Now |
DISTI #
584-ADP1055ACPZ-RL
|
Mouser Electronics | Switching Controllers Single channel DCDC Digital Controller RoHS: Compliant | 0 |
|
$6.7600 | Order Now |
|
Analog Devices Inc | Single channel DCDC Digital Co Min Qty: 5000 Package Multiple: 5000 | 0 |
|
$5.4100 / $6.7625 | Buy Now |
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ADP1055ACPZ-RL
Analog Devices Inc
Buy Now
Datasheet
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ADP1055ACPZ-RL
Analog Devices Inc
Digital Controller for Power Supply Applications with PMBus Interface
|
Pbfree Code | No | |
Rohs Code | Yes | |
Part Life Cycle Code | Active | |
Ihs Manufacturer | ANALOG DEVICES INC | |
Package Description | LFCSP-32 | |
Pin Count | 32 | |
Manufacturer Package Code | CP-32-12 | |
Reach Compliance Code | compliant | |
ECCN Code | EAR99 | |
HTS Code | 8542.39.00.01 | |
Samacsys Manufacturer | Analog Devices | |
Analog IC - Other Type | SWITCHING CONTROLLER | |
Control Mode | CURRENT-MODE | |
Control Technique | PULSE WIDTH MODULATION | |
Input Voltage-Max | 3.6 V | |
Input Voltage-Min | 3 V | |
Input Voltage-Nom | 3.3 V | |
JESD-30 Code | S-XQCC-N32 | |
JESD-609 Code | e3 | |
Length | 5 mm | |
Moisture Sensitivity Level | 3 | |
Number of Functions | 1 | |
Number of Terminals | 32 | |
Operating Temperature-Max | 125 °C | |
Operating Temperature-Min | -40 °C | |
Package Body Material | UNSPECIFIED | |
Package Code | HVQCCN | |
Package Shape | SQUARE | |
Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | |
Peak Reflow Temperature (Cel) | 260 | |
Seated Height-Max | 0.8 mm | |
Surface Mount | YES | |
Switcher Configuration | BUCK | |
Temperature Grade | AUTOMOTIVE | |
Terminal Finish | Matte Tin (Sn) | |
Terminal Form | NO LEAD | |
Terminal Pitch | 0.5 mm | |
Terminal Position | QUAD | |
Time@Peak Reflow Temperature-Max (s) | 30 | |
Width | 5 mm |
A good PCB layout is crucial for the ADP1055's performance. Analog Devices recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces separate to minimize noise coupling. Additionally, it's recommended to use a low-ESR capacitor for the output filter and to place it close to the device.
To ensure the ADP1055's thermal performance, it's essential to provide adequate heat sinking. The device's thermal pad should be connected to a solid ground plane or a heat sink. Additionally, the PCB should be designed to allow for good airflow, and the device should be placed away from other heat sources.
The recommended input capacitor value is 10uF to 22uF, and it should be a low-ESR ceramic capacitor (X5R or X7R dielectric). The input capacitor helps to filter out noise and ripple from the input voltage.
The ADP1055's output voltage and current limits can be programmed using external resistors. The output voltage is set using a resistor divider network between the VOUT pin and the GND pin, while the current limit is set using a sense resistor in series with the output inductor.
The ADP1055's start-up time is typically around 10ms to 15ms. To minimize the start-up time, it's recommended to use a high-value input capacitor and to ensure that the input voltage rises quickly to the minimum operating voltage.