Sept 7, 2009
IRS2158D(S)
Advanced Information
Features
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Ballast control and half-bridge driver in one IC
Programmable half-bridge over-current
protection
Programmable preheat frequency
Programmable preheat time
Programmable ignition ramp
Programmable run frequency
Closed-loop ignition current regulation
Voltage-controlled oscillator (VCO)
Programmable deadtime
End-of-life window comparator pin
Internal 60-event current sense up/down fault
counter
Lamp removal/auto-restart shutdown pin
Brownout protection
Low offset op amp
Internal bootstrap MOSFET
Internal 15.6 V zener clamp diode on Vcc
Micropower startup (250
μA)
Latch immunity and ESD protection
Product Summary
Topology
V
OFFSET
Vio (typical)
I
o+
& I
o-
(typical)
Start-up current (typical)
Half-Bridge
600 V
0V
180 mA & 260 mA
250 µA
Package Options
PDIP16
SOICN16
Typical Applications
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Fluorescent lamp ballast dimming (<5%)
Typical Connection Diagram
www.irf.com
© 2009 International Rectifier
IRS2158D(S)
Table of Contents
Description..........................................................................................................................................................3
Qualification Information .....................................................................................................................................4
Absolute Maximum Ratings................................................................................................................................5
Recommended Operating Conditions ................................................................................................................6
Recommended Component Values ...................................................................................................................6
Electrical Characteristics ....................................................................................................................................7
Functional Block Diagram.................................................................................................................................10
Input/Output Pin Equivalent Circuit Diagrams ..................................................................................................11
Lead Definitions ................................................................................................................................................12
Lead Assignments ............................................................................................................................................12
State Diagram...................................................................................................................................................13
Timing Diagram Ballast Section .......................................................................................................................14
Application Information and Additional Details .................................................................................................15
Parameter Temperature Trends ........................................................................
Error! Bookmark not defined.
Package Details: PDIP16 and SOIC16N..........................................................................................................27
Package Details: SOIC16N, Tape and Reel ....................................................................................................28
Part Marking Information ..................................................................................................................................29
Ordering information .........................................................................................................................................30
www.irf.com
© 2009 International Rectifier
2
IRS2158D(S)
Description
The IRS2158D is a fully integrated, fully protected 600V ballast control IC designed to drive all types of
fluorescent lamps. The IRS2158D features include programmable preheat and run frequencies,
programmable preheat time, closed-loop half-bridge ignition current regulation, programmable end-of-life
protection, brownout protection and low input offset op amp. The op amp can be used for dimming, current
or power control. Comprehensive protection features such as protection from failure of a lamp to strike,
filament failures, end-of-life protection, have been included in the design. The IRS2158D is available in both
16-pin PDIP and 16-pin narrow body SOIC packages.
www.irf.com
© 2009 International Rectifier
3
IRS2158D(S)
Qualification Information
†
Qualification Level
Industrial
††
Comments: This family of ICs has passed JEDEC’s
Industrial qualification. IR’s Consumer qualification level is
granted by extension of the higher Industrial level.
MSL2
††
260°C
SOIC16N
(per IPC/JEDEC J-STD-020)
Not applicable
PDIP16
(non-surface mount package style)
Class B
(per JEDEC standard JESD22-A115)
Class 3A
(per EIA/JEDEC standard EIA/JESD22-A114)
Class I, Level A
(per JESD78)
Yes
Moisture Sensitivity Level
Machine Model
ESD
Human Body Model
IC Latch-Up Test
RoHS Compliant
†
††
†††
Qualification standards can be found at International Rectifier’s web site
http://www.irf.com/
Higher qualification ratings may be available should the user have such requirements. Please contact
your International Rectifier sales representative for further information.
Higher MSL ratings may be available for the specific package types listed here. Please contact your
International Rectifier sales representative for further information.
www.irf.com
© 2009 International Rectifier
4
IRS2158D(S)
Absolute Maximum Ratings
Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. All
voltage parameters are absolute voltages referenced to COM, all currents are defined positive into any lead.
The Thermal Resistance and Power Dissipation ratings are measured under board mounted and still air
conditions.
Definition
VB Pin High-Side Floating Supply Voltage
VS Pin High-Side Floating Supply Offset Voltage
HO Pin High-Side Floating Output Voltage
LO Pin Low-Side Output Voltage
Maximum allowable output current (HO, LO) due to
IOMAX
external power transistor miller effect
VCPH
CPH Pin Voltage
IVCO
VCO Pin Current
IFMIN
FMIN Pin Current
VVCO
VCO Pin Voltage
VNINV NINV pin voltage
VINV
INV pin voltage
VOUT
OUT pin voltage
VCT
CT Pin Voltage
ICT
CT Pin Current
VDC
VDC Pin Voltage
IDC
VDC Pin Current
VSD/EOL SD/EOL Pin Voltage
ISD/EOL SD/EOL Pin Current
VCS
CS Pin Voltage
ICS
CS Pin Current
dV/dt
Allowable VS Pin Offset Voltage Slew Rate
PD
Package Power Dissipation @ TA
≤
+25ºC (16-Pin DIP)
PD = (TJMAX-TA)/R
θJA
(16-Pin SOIC)
R
θJA
Thermal Resistance, Junction to Ambient (16-Pin DIP)
(16-Pin SOIC)
TJ
Junction Temperature
TS
Storage Temperature
TL
Lead Temperature (soldering, 10 seconds)
†
Symbol
VB
VS
VHO
VLO
Min.
-0.3
VB – 25
VS - 0.3
-0.3
-500
-0.3
-5
-0.3
Max.
625
VB + 0.3
VB + 0.3
VCC + 0.3
500
VCC + 0.3
5
VCC + 0.3
Units
V
mA
V
mA
V
-5
-0.3
-5
-0.3
-5
-0.3
-5
-50
---
---
---
---
-55
-55
---
5
VCC + 0.3
5
VCC + 0.3
5
VCC + 0.3
5
50
1.3
1.4
70
82
150
150
300
mA
V
mA
V
mA
V
mA
V/ns
W
W
ºC/W
ºC
This IC contains a zener clamp structure between the chip VCC and COM which has a nominal
breakdown voltage of 15.6V. This supply pin should not be driven by a DC, low impedance power
source greater than the VCLAMP specified in the Electrical Characteristics section.
www.irf.com
© 2009 International Rectifier
5
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