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MAX1651CSA The MAX1651CSA is a high-efficiency, low-dropout DC-DC switching controller from Analog Devices / Maxim Integrated. It operates with an input voltage range of 3V to 16V.
Mfr Part #:

MAX1651CSA

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX1651CSA is a high-efficiency, low-dropout DC-DC switching controller from Analog Devices / Maxim Integrated. It operates with an input voltage range of 3V to 16V.
✓ Total Stock: 3,328 pcs
$ Price Range: $0.78

MAX1651CSA Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1,750 pcs
On Request
1750 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,518 pcs
On Request
1518 pcs On Request 1 On Request On Request 0102+ On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
60 pcs
On Request
60 pcs On Request 1 On Request On Request 97+/ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX1651CSA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Phases
Output Power
Output Type
Output Voltage
Quiescent Current
SVHC Present
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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MAX1651CSA Description

Short technical summary and product information.

The MAX1651CSA is a BiCMOS, step-down DC-DC switching controller designed for high efficiency over a wide load range. It utilizes a unique current-limited pulse-frequency-modulated (PFM) control scheme, offering high efficiency at heavy loads while consuming only 100µA of supply current. This controller supports input voltages from 3V to 16V and features a preset output voltage of 3.3V, with an adjustable option from 1.5V to the input voltage.

 

Key electrical specifications include a maximum duty cycle of 96.5% and a switching frequency up to 300kHz, allowing for the use of miniature external components. The device provides a dropout voltage of less than 0.3V at 500mA. It is designed to drive external P-channel MOSFETs for loads greater than 12.5W.

 

The MAX1651CSA is available in an 8-SOIC package and is designed for surface mounting. Its operating temperature range is 0°C to 70°C (TA). This controller is suitable for battery-powered applications and high-efficiency step-down regulation.

 

Applications include PDAs and 5V-to-3.3V Green PC applications.

MAX1651CSA Quick Information

Product Type: DC DC Switching Controller
Series: MAX1649/MAX1651
Canonical Name: MAX1651CSA Step-Down DC-DC Switching Controller
Subcategory: Buck

MAX1651CSA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX1651CSA Estimated Pricing

Qty Low High
1+ $0.78 $0.78

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX1651CSA Features

  • High efficiency step-down DC-DC controller.
  • Wide 3V to 16V input voltage range.
  • Preset 3.3V output voltage.
  • Low 100µA quiescent supply current.
  • Surface mount 8-SOIC package.

MAX1651CSA Applications

  • Ideal for battery-powered applications.
  • Used in PDA power management.
  • Suitable for 5V to 3.3V regulation.
  • High-efficiency step-down designs.

MAX1651CSA FAQs

5 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the MAX1651CSA?

The input voltage range is 3V to 16V.

What is the preset output voltage of the MAX1651CSA?

The preset output voltage is 3.3V.

What is the maximum duty cycle for the MAX1651CSA?

The maximum duty cycle is 96.5%.

What is the operating temperature range of the MAX1651CSA?

The operating temperature range is 0°C to 70°C (TA).

How is the MAX1651CSA mounted?

The MAX1651CSA is a surface mount device.

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