Datasheet for ADP2442ACPZ-R7:
- Manufacturer Part Number : ADP2442ACPZ-R7
- Manufacturer : AD
- Description : 36 V,1 A, Synchronous, Step-Down, DC-to-DC Regulator with External Clock Synchronization IC
- Series : ADP2442
- Reference Price : USD 1.464
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Step-Down (Buck) Regulators
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 12-Lead LFCSP (3mm x 3mm w/ EP)
- Pins : 12
- MFG Package Case : CP-12-6
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 1500
- Working Temperature : -40 to 125C
- Other Part Number : ADP2442ACPZ-R7
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Wide input voltage range of 4.5 V to 36 V
- Low minimum on time of
50 ns - Maximum load current of 1 A
- High efficiency of up to 94%
- Adjustable output down to 0.6 V
- ±1% output voltage accuracy
- Adjustable switching frequency of 300 kHz to
1 MHz
- External synchronization from 300 kHz to 1 MHz
- Pulse skip mode or Forced fixed frequency mode
- Precision enable input pin
- Open-drain power good
- Reference similar product ADP2441 with programmable soft-start and tracking.
- See data sheet for additional features
The ADP2441/ADP2442 is a constant frequency, current mode control,synchronous, step-down, dc-to-dc regulator that is capable ofdriving loads of up to 1 A with excellent line and load regulationcharacteristics. The ADP2442 operates with a wide input voltagerange from 4.5 V to 36 V, which makes it ideal for regulating powerfrom a wide variety of sources. In addition, the ADP2442 hasvery low minimum on time (50 ns) and is, therefore, suitable forapplications requiring a very high step-down ratio.
The output voltage can be adjusted from 0.6 V to 0.9 × VIN.High efficiency is obtained with integrated low resistanceN-channel MOSFETs for both high-side and low-side devices.
The switching frequency is adjustable from 300 kHz to 1 MHz withan external resistor. The ADP2442 also has an accurate power-good(PGOOD) open-drain output signal.
The ADP2442 offers the flexibility of external clock synchronization.The switching frequency can be synchronized to an externalclock, applied to the SYNC/MODE pin. The ADP2442 can alsobe configured to operate in the forced fixed frequency mode forlow EMI or power saving mode to reduce the switching losses atlight load.
The ADP2442 uses hiccup mode to protect the IC from shortcircuits or from overcurrent conditions on the output. The internalsoft start limits inrush current during startup for a wide variety ofload capacitances. Other key features include input undervoltagelockout (UVLO), thermal shutdown (TSD), and precision enable(EN), which can also be used as a logic level shutdown input.
The ADP2442 is available in a 3 mm × 3 mm, 12-lead LFCSPpackage and is rated for a junction temperature range from−40°C to +125°C.
Applications
- Point of load applications
- Distributed power systems
- Industrial control supplies
- Standard rail conversion to 24 V/12 V/5 V/3.3 V
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
