ADP1621

Features: `92% efficiency (no sense resistor required)`±1.0% initial accuracy`IC supply voltage range: 2.9 V to 5.5 V`Power-input voltage as low as 1.0 V`Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor`VIN UVLO and 35 mA shunt regulator`External slope compensati...

product image

ADP1621 Picture
SeekIC No. : 004276316 Detail

ADP1621: Features: `92% efficiency (no sense resistor required)`±1.0% initial accuracy`IC supply voltage range: 2.9 V to 5.5 V`Power-input voltage as low as 1.0 V`Capable of high supply input voltage (>5....

floor Price/Ceiling Price

Part Number:
ADP1621
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/4/30

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

`92% efficiency (no sense resistor required)
`±1.0% initial accuracy
`IC supply voltage range: 2.9 V to 5.5 V
`Power-input voltage as low as 1.0 V
`Capable of high supply input voltage (>5.5 V) with an external NPN or a resistor
`VIN UVLO and 35 mA shunt regulator
`External slope compensation with 1 resistor
`Programmable operating frequency (100 kHz to 1.5 MHz) with 1 resistor
`Lossless current sensing for switch-node voltage <30 V
`Resistor current sensing for switch-node voltage >30 V
`Synchronizable to external clock
`Current-mode operation for excellent line and load transient responses
`10 A shutdown current
`Current limit and thermal overload protection
`Soft start in 2048 clock cycles





Application

·APD bias
·Portable electronic equipment
·Isolated dc/dc converter
·Step-up/step-down dc/dc converter
·LED driver for laptop computer and navigation system
·LCD backlighting





Pinout

ADP1621 Diagram

  Connection Diagram




Specifications

Vin Range 2.9V-5.5V
Vout n/a
Step Up Yes
Shutdown Y
Pkg MSOP-10





Description

The ADP1621 is a fixed-frequency, pulse-width modulation (PWM), current-mode, step-up converter controller. It drives an external n-channel MOSFET to convert the input voltage to a higher output




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
Power Supplies - Board Mount
Audio Products
Boxes, Enclosures, Racks
Programmers, Development Systems
Motors, Solenoids, Driver Boards/Modules
Isolators
View more