Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

RT8026 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT8026
Description  1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter
PDF  12 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8026 Datasheet(HTML) 2 Page - Richtek Technology Corporation

  RT8026 Datasheet HTML 1Page - Richtek Technology Corporation RT8026 Datasheet HTML 2Page - Richtek Technology Corporation RT8026 Datasheet HTML 3Page - Richtek Technology Corporation RT8026 Datasheet HTML 4Page - Richtek Technology Corporation RT8026 Datasheet HTML 5Page - Richtek Technology Corporation RT8026 Datasheet HTML 6Page - Richtek Technology Corporation RT8026 Datasheet HTML 7Page - Richtek Technology Corporation RT8026 Datasheet HTML 8Page - Richtek Technology Corporation RT8026 Datasheet HTML 9Page - Richtek Technology Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 12 page
background image
RT8026
2
DS8026-02 March 2011
www.richtek.com
Function Block Diagram
Functional Pin Description
Pin No.
Pin Name
Pin Function
1
VIN
Power Input.
2, 4, 6, 7
NC
No Internal Connection.
3
GND
Ground Pin.
5
FB
Feedback Input Pin. Receives the feedback voltage from a resistive divider
connected across the output.
8
EN
Chip Enable (Active High). It is recommended to add a 100kΩ resistor between EN
and GND pin.
9
LX
Pin for Switching. Connect this pin to the inductor.
10
PGND
Power Ground Pin.
Typical Application Circuit
Figure 1. Typical Application Circuit for RT8026
⎟
⎠
⎞
⎜
⎝
⎛ +
=
R2
R1
1
x
V
V
REF
OUT
with R2 = 300k
Ω to 60kΩ so the IR2 = 2μA to 10μA,
and (R1 x C1) should be in the range between 3x10-6 and 6x10-6 for component selection.
4.7µF
10µF
VIN
LX
RT8026
EN
FB
2.2µH
2.7V to 5.5V
VIN
VOUT
CIN
L
5
9
1
8
COUT
R1
R2
C1
IR2
3
GND
PGND
10
COMP
RC
RS1
RS2
EN
VIN
LX
FB
UVLO &
Power Good
Detector
VREF
Slope
Compensation
Current
Sense
OSC &
Shutdown
Control
Current
Limit
Detector
Driver
Control
Logic
PWM
Comparator
Error
Amplifier
GND
Current
Detector
PGND



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com