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ADP1853ACPZ-R7

Name: ADP1853ACPZ-R7
Rating: 4.8 (15 reviews)

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IC REG CTRLR BUCK 20LFCSP

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데이터시트 ADP1853ACPZ-R7 DataSheet
패키지 WFQFN-20
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사양

속성	가치
Supplier	Analog Devices Inc.
Package / Case	Tape & Reel (TR),Cut Tape (CT)
Part Status	Active
Output Type	Transistor Driver
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	2.75V ~ 20V
Frequency - Switching	200kHz ~ 1.5MHz
Duty Cycle(Max)	90%
Synchronous Rectifier	Yes
Clock Sync	Yes
Control Features	Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount

개요

Description

ADP1853ACPZ-R7 is Analog Devices’ compact, high‑efficiency synchronous buck DC‑DC converter. It integrates both high‑side and low‑side MOSFET switches and is designed to regulate a low-voltage input down to a user‑set output rail with high efficiency for battery-powered and small‑form‑factor electronics. It typically uses fixed-frequency, current‑mode control with an external feedback network to set Vout, and includes protections such as undervoltage lockout, overcurrent/short‑circuit protection, and thermal shutdown. The device supports a wide input range suitable for portable supplies and can deliver a few amps of output current, making it suitable for CPUs, memory, and peripheral rails. The ACPZ suffix refers to the specific package (lead‑free/low‑profile) and -R7 indicates tape‑and‑reel shipping. In short, it’s a ready‑to‑use, efficient buck regulator for compact power designs.

Features

ADP1853ACPZ-R7 features (concise):
- 1 A step-down DC-DC converter with integrated high-side switch
- Input voltage range: 2.3 V to 5.5 V
- Output: adjustable via external feedback network (typical 1.0 V–3.3 V range; fixed options available per variant)
- Switching frequency: ~600 kHz (typ)
- High efficiency with good load regulation
- Low quiescent current and fast transient response
- Enable (shutdown) input
- Soft-start to limit inrush
- Protective features: current limit / short-circuit protection, thermal shutdown, undervoltage lockout
- Packaging: 8-pin LFCSP (ACPZ), -R7 denotes tape-and-reel
- Operating temperature: wide range (-40 °C to +125 °C)
- RoHS-compliant and suitable for portable/mobile applications
Note: for exact electrical values (range limits, pinouts, and recommended external components), consult the latest Analog Devices datasheet.

Pinout

- Pin count: 8 pins (MSOP-8 package, ACPZ).
- Function: ADP1853ACPZ-R7 is a synchronous step-down (buck) regulator with integrated high-/low-side FETs. Pin functions (typical):
- VIN: input supply
- GND: ground
- SW/LX: switch node to the inductor
- BOOT: bootstrap capacitor connection for high-side drive
- FB: feedback from output
- EN: enable/shutdown control
- PGOOD: power-good/status output
- ILIM/SS (current-limit/soft-start) control pin
Note: exact pinout order may vary by package; refer to the datasheet for precise mapping.

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: A multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits for a wide range of electronics applications.

Application

ADP1853ACPZ-R7 is a compact, high-efficiency buck DC-DC converter. Common application areas include:
- Battery-powered handhelds, wearables, and IoT sensors
- Embedded systems and power rails forMCUs, FPGAs, and ASICs
- RF front-ends and mixed-signal subsystems needing clean low-voltage rails
- Automotive and industrial sensing/control modules
- Point-of-load regulators for telecom, networking, and edge servers
- Any system requiring efficient, compact down-conversion from a higher input to a stable low-voltage rail