Position: Home  > All Categories> Integrated Circuits (ICs) > UC3550

UC3550

Features: ` Input voltage range:0.9~8V`Output voltage range:1.8~6V programmable in 0.1V with high accuracy ± 2.5%` High efficiency 88%(typ.)` Low start-up voltage of 0.9V typical at IOUT = 1.0mA` Oscillator frequency: 300kHz.(±20%)`Chip enable pin with pull-up current source` High output current u...

product image

UC3550 Picture
See larger image
SeekIC No. : 004535559 Detail

UC3550: Features: ` Input voltage range:0.9~8V`Output voltage range:1.8~6V programmable in 0.1V with high accuracy ± 2.5%` High efficiency 88%(typ.)` Low start-up voltage of 0.9V typical at IOUT = 1.0mA` Os...

UC3550 Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
UC3550
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: 2025/1/7

add to my favourite

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:

` Input voltage range:0.9~8V
`Output voltage range:1.8~6V programmable in 0.1V with high accuracy ± 2.5%
` High efficiency 88%(typ.)
` Low start-up voltage of 0.9V typical at IOUT = 1.0mA
` Oscillator frequency: 300kHz.(±20%)
`Chip enable pin with pull-up current source
` High output current up to 1000mA (VIN = 2.0V, VOUT =3.3V)


Pinout

Connection Diagram


Specifications

PARAMETER SYMBOL RATINGS UNIT
Supply Voltage VOUT -0.3~8 V
EXT Voltage VEXT -0.3~8 V
EXT Sink/Source Current IEXT -150 ~ +150 mA
CE Input Voltage Range VCE -0.3 ~ 12.0 V
CE Input Current Range ICE -155 ~ 155 mA
Power Dissipation (Ta=25) PD 500 mW
Junction Temperature TJ +150  
Operating Temperature TOPR -40 ~ +85  
Storage Temperature TSTG -55 ~ +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 UC3550 series is a compact, high efficiency, step-up DC/DC controllers includes an error amplifier, oscillator, PWM comparator, skip cycle comparator, voltage reference, soft-start, and high speed lower ON-resistance driver for driving external power devices (NMOS or NPN) ,Additionally, a CE (chip enable) function that reduces power consumption during shut-down mode.

That typically operated from a single-or dual-cell battery packs. It have a driver pin ,ext pin, for connecting to an external transistor (NMOS or NPN). a lower ON-resistance external transistor can obtain larger output current. With only external components, this series allow a simple means to accommodate high output current applications.

The UTC UC3550 series goes automatically into skip switching cycles under light load condition to maintain high efficiency.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Sensors, Transducers
GP2Y0D340K
PAN3509DH-TXWA
Discrete Semiconductor Products
T508N12TOF
MUR20040
Kits
IT243
UVSC-110-4E1
Static Control, ESD, Clean Room Products
DPA5
PA800-A41
Crystals and Oscillators
WT325BI0030.000000
2SB49
Semiconductor Modules
2DI300A-050-03
7MBR25SA-120-50
View more