RT8279GSP Datasheet, PDF (4/8 Pages) Richtek Technology Corporation – RT8279 Step-Down Converter Evaluation Board

your power partner.
Specification
Parameter
Input Voltage Range
Output Voltage
Oscillator Frequency
Output Current
Current Limit
Schematic
J1 Vin/5.5 to 36V
GND
SIP-2P-PW
Symbol
Min
V_IN
5.5
V_OUT
f_OSC
425
I_OUT
I_LIM
6
GP3
EN
GP1
SW
D2
NC
1
U1
VIN-7
2
BS-1
NC-2
PH-8
GND
NC-3 GND-6
ENA-5 VSENSE-4
PowerPad(Exposed Pad)
Connect to Pin6
C11
L1
7uH
100nF
D1
B550C
GP4
GND
RT8279GSP
Evaluation Board
Typ.
Max
Units
36
V
2.4
V
500
575
kHz
5
A
7.5
9
A
VOUT
Vout/5A J2
GND
SIP-2P-PW
C4
22uF
C5
22uF
BOM
Reference
U1
C1, C2
C3, C6, C11
C4, C5
C12
L1
D1
R1, R2, R4
C8, R5
Q'ty
P/N
Description
Package
Manufacture
1
RT8279GSP
Step-down converter
SOP-8
RICHTEK
2
GRM32ER71H475K
4.7μF/50V/X7R
C-1210
MURATA
3
C1608X7R1H104K080AA 0.1μF/±10%/50V/X7R
C-0603
TDK
2
GRM32ER61C226KE20 22μF/±10%/16V/X5R
C-1210
MURATA
1
82pF
C-0603
1
74437368068
6.8μH, 6A, ±20%, DCR = 23.3mΩ 10 x 10 x 3.8mm WE-LHMI
1
B550C
50V/5A
DIODES
3
100k
R-0402
2
NC
EVB_RT8279GSP-00 June 2015
http://www.richtek.com