參數(shù)資料
型號(hào): IRS2548DSPBF
廠商: International Rectifier
文件頁(yè)數(shù): 1/22頁(yè)
文件大小: 320K
描述: IC PFC
特色產(chǎn)品: IRS2548D LED Driver
標(biāo)準(zhǔn)包裝: 55
系列: *
www.irf.com
?2011 International Rectifier
 
 
 
 
September 29, 2011
    IRS2548D
SMPS/LED DRIVER PFC + HALF-BRIDGE CONTROL IC
 
Features
" PFC, system control and half-bridge driver in
one IC
" Critical-conduction mode boost-type PFC
" Programmable PFC over-current protection
" Half Bridge Driver
" Half Bridge Over Current Protection
" Variable Frequency Oscillator
" Fixed internal 1.6us HO and LO deadtime
" Internal bootstrap MOSFET
" Internal 15.6V zener clamp diode on Vcc
" Micropower startup (250礎(chǔ))
" Latch immunity and ESD protection
 
Typical Applications
" Isolated LED Drivers
" Power Supplies
 
 
 
 
 
 
 
Product Summary
Topology
Half Bridge
V
OFFSET
 
600V
V
OUT
 
VCC
I
o+
 & I
 o-
 (typical)
500mA/500mA
t
ON
 & t
OFF
 (typical)
120nS/50nS
Deadtime (typical)
1.6uS
 
Package 
                  
 
14-Lead SOIC
 
 
Typical Connection Diagram
 
RVBUS1
RLO
+
RVBUS2
C1
L
N
RV1
F1
CVS
DCP2
DCP1
CCOMP
COC
ROC
MPFC
CVBUS2
CVBUS1
RPFC
RZX
CVBUS
RVBUS
RFMIN
RVCC
CCS
R
CS
RF1
RLM1
RLM2
RHO
MHS
MLS
CBS
CVCC1
CVCC
+
+
BR1
C2
L1
CY
GND
DPFC
LPFC
RFMAX
CRES
DOUT1
DOUT2
COUT
RPU
R
CL
CVS
Reg
+5V
LED+
LED-
RD1
RD2
RD3
RV1
RV2
CF1
CF2
2
ENN
1
2
3
VBUS
4
5
7
FMIN
6
7
8
13
12
11
10
9
14
OC
COMP
ZX
PFC
HO
VS
VB
VCC
COM
LO
CS
ROC
DO1
DO2
U1
U2A
U2B
U3
RF2
RMAX
CMAX
 
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