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IR21592S Datasheet

  • IR21592S

  • DIMMING BALLAST CONTROL IC

  • 25頁

  • IRF

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Data Sheet No. PD60194_A
IR21592
(S)
IR21593
(S)
Features
DIMMING BALLAST CONTROL IC
鈥?/div>
Full lamp fault protection
鈥?/div>
Brown-out protection
鈥?/div>
Automatic restart
鈥?/div>
Micro-power startup
鈥?/div>
Zener clamped Vcc
鈥?/div>
Over-temperature protection
鈥?/div>
16-pin DIP and SOIC package types
Parameter
Deadtime
Frequency
Range
IR21592
1.8us
See
Graph 11
IR21593
1.0us
See
Graph 12
鈥?/div>
Ballast control and half-bridge driver in one IC
鈥?/div>
Transformer-less lamp power sensing
鈥?/div>
Closed-loop lamp power control
鈥?/div>
Closed-loop preheat current control
鈥?/div>
Programmable preheat time
鈥?/div>
Programmable preheat current
鈥?/div>
Lamp ignition detection
鈥?/div>
Programmable ignition-to-dim time
鈥?/div>
0.5 to 5VDC dimming control input
鈥?/div>
Min and max lamp power adjustments
鈥?/div>
Programmable minimum frequency
鈥?/div>
Internal current sense blanking
Description
Description: The IR21592/IR21593 are complete dimming ballast controllers and 600V
half-bridge drivers all in one IC. The architecture includes phase control for trans-
former-less lamp power sensing and regulation which minimizes changes needed to
adapt non-dimming ballasts for dimming. Externally programmable features such as
preheat time and current, ignition-to-dim time, and a complete dimming interface with
minimum and maximum settings provide a high degree of flexibility for the ballast
design engineer. Protection from failure of a lamp to strike, filament failures, thermal
overload, or lamp failure during normal operation, as well as an automatic restart
function, have been included in the design. The heart of this control IC is a voltage-
controlled oscillator with externally programmable minimum frequency. The IR21592/
IR21593 are available in both 16 pin DIP and 16 pin narrow body SOIC packages.
Packages
16 Lead SOIC
(narrow body)
16 Lead PDIP
Typical Connection
+ Rectified AC Line
+ DC Bus
R
VDC
C
VDC
C
VCO
C
PH
R
DIM
R
MAX
R
MIN
R
FMIN
R
IPH
R
VAC
R
PULL-UP
1
16
Single Lamp Dimmable
VDC
HO
2
VCO
VS
15
3
CPH
VB
14
0.5 to 5VDC
4
DIM
VCC
13
5
MAX
COM
12
6
MIN
LO
11
7
FMIN
CS
10
8
IPH
SD
9
R
CS
- DC Bus
www.irf.com
1

IR21592S 產(chǎn)品屬性

  • 45

  • 集成電路 (IC)

  • PMIC - 照明，鎮(zhèn)流器控制器

  • -

  • 鎮(zhèn)流器控制器

  • 73 ~ 108 kHz

  • 10mA

  • -

  • 12.5 V ~ 15.6 V

  • -40°C ~ 125°C

  • 16-SOIC（0.154"，3.90mm 寬）

  • 16-SOIC N

  • 管件

  • IRPLDIM2U-ND - BALLAST DIM DIG 32W/T8 120VAC

  • *IR21592S

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