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UC3500

Features: * 0.8V start-up voltage* 0.5V hold-on voltage* Output current up to 150mA* Low supply current of 18A* Wide output voltage range of 2.5V~5.5V* Output voltage accuracy ±2%* High efficiency up to 88%* Low profile and minimum external componentsApplication* Cellular telephones* PDA and hand ...

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SeekIC No. : 004535544 Detail

UC3500: Features: * 0.8V start-up voltage* 0.5V hold-on voltage* Output current up to 150mA* Low supply current of 18A* Wide output voltage range of 2.5V~5.5V* Output voltage accuracy ±2%* High efficiency u...

UC3500 Data Sheet

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Part Number:
UC3500
Supply Ability:
5000

Price Break

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

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Upload time: 2024/5/15

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Product Details

Description



Features:

* 0.8V start-up voltage
* 0.5V hold-on voltage
* Output current up to 150mA
* Low supply current of 18A
* Wide output voltage range of 2.5V~5.5V
* Output voltage accuracy ±2%
* High efficiency up to 88%
* Low profile and minimum external components


Application

* Cellular telephones
* PDA and hand held instruments
* Palmtop and notebook computer
* Portable equipment
* Battery powered equipment


Pinout

Connection Diagram


Specifications

PARAMETER
SYMBOL
RATINGS
UNIT
Output Voltage
VOUT
7
V
Input Voltage
VIN
7
V
LX Pin Voltage
VLX
7
V
LX Pin Output Current
ILX
Internally limited
Power Dissipation at 25 SOT-25
PD
160
mW
Derating Rate at Ta=25°C
1.6
/mW
Operating Junction Temperature
TOPR
-25 ~ +85
Storage Temperature
TSTG
-65 ~ +150
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
          Absolute maximum ratings are stress ratings only and functional device operation is not implied.


Description

The UTC UC3500 Step-up DC/DC converters are optimized for applications that prioritize high efficiency and high frequency. The efficiency is greatly improved by utilizing an internal VFM controlled scheme that switches with fixed frequency and is adjustable up to more than 300 KHz depending on the load.

The UTC UC3500 requires only three external components to realize the conversion from the battery voltage to the selected output voltage in the range of 2.5V ~ 5.5V.

The start-up voltage of UTC UC3500 is guaranteed at 0.8V and the device is operating down to 0.5V. The Output current is guaranteed up to 150mA, while quiescent current is only 18A.




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