DIM8TM DIMMING BALLAST CONTROLLER
www.DataSheet4U.net
July 09, 2008
IRS2530D(S)
DIM8 IC Features
• • • • • • • • • • • • • • • • • • • • Dimming ballast...
Description
www.DataSheet4U.net
July 09, 2008
IRS2530D(S)
DIM8 IC Features
Dimming ballast control plus half-bridge driver Closed-loop lamp current dimming control Internal non-ZVS protection Internal crest factor protection Programmable preheat time Fixed dead-time (2.0μs typ.) Lamp insert auto-restart Internal bootstrap MOSFET Internal 15.6V zener clamp diode on Vcc Micropower startup (250μA) Latch immunity and ESD protection
TM
DIMMING BALLAST CONTROL IC
Product Summary
Topology VOFFSET VOUT IO+ & IO- (typical) Deadtime (typical) Half-Bridge 600 V VCC 180mA & 260mA 2.0μs
Package Types
Ballast System Features
Single chip dimming solution Simple lamp current dimming control method Single lamp current sensing resistor required No half-bridge current-sensing resistor required No external protection circuits required (fully PDIP8 SO8 internal) Flash-free lamp start at all dimming levels Large reduction in component count Typical applications Easy to use for fast design cycle time Linear dimming ballast (down to 10%) Increased manufacturability and reliability 3-way dimming ballast Multi-level switch dimming ballast
Typical Connection Diagram
L AC LINE INPUT N
F1
LF BR1
RVCC1
RVCC2
RLIM1 CF CBUS CVCC1 RLIM2
VCC
VB
1
8
RHO HO CBS CSNUB RLO MLS DCP2 RLMP2 RLMP1 CH2 CRES LRES:B CH1 MHS LRES:A CDC
IRS2530D
CVCC2 CDIM
COM
2
DIM
7 6 5
3
CVCO VCO
VS
SPIRAL CFL LAMP
4
CPH RVCO RDIM1 CFB
LO
(+) 1-10V DIM INPUT (-)
RFB DCP1 L...
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