ISL6423ERZ-T Intersil, ISL6423ERZ-T Datasheet
ISL6423ERZ-T
Specifications of ISL6423ERZ-T
Available stocks
Related parts for ISL6423ERZ-T
ISL6423ERZ-T Summary of contents
Page 1
... Applications • LNB Power Supply and Control for Satellite Set-Top Box Ordering Information PART NUMBER (Note) ISL6423ERZ ISL6423ERZ-T 6423ERZ ISL6423EVEZ ISL6423EVEZ-T ISL6423EVEZ - HTSSOP 2 C NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...
Page 2
Pinouts 2 ISL6423 ISL6423 (HTSSOP) TOP VIEW 28 VCC 1 CPSWIN CPSWOUT 3 26 CPVOUT FLT EXTM SGND 5 24 SDA 23 SCL TCAP 6 ADDR0 7 22 TDOUT ADDR1 8 21 TDIN BYPASS ...
Page 3
Block Diagram OVERCURRENT COUNTER PROTECTION LOGIC SCHEME 1 PWM LOGIC GATE PGND 6 ILIM1 CS AMP CS ∑ 9 COMPENSATION TDOUT 15 TXT TONE DECODER TTH TDIN 14 VSW AGND 12 ON CHIP VCC ...
Page 4
Typical Application Schematic QFN C23 0 R10 56µ TPC6002 Q2 R9 470 L5 15µH R8 C21 0.1 100pF 4.7µ C22 C18 CMS06 56µF 10µ C29 1n C24 ...
Page 5
Absolute Maximum Ratings Supply Voltage 8.0V to 18.0V CC Logic Input Voltage Range ...
Page 6
Electrical Specifications V = 12V VBOT = L, ENT = L, DCL = L, Iout = 12mA, unless otherwise noted. See software description section for I access to the system. (Continued) PARAMETER TONE OSCILLATOR Tone Frequency Tone Amplitude ...
Page 7
Electrical Specifications V = 12V VBOT = L, ENT = L, DCL = L, Iout = 12mA, unless otherwise noted. See software description section for I access to the system. (Continued) PARAMETER THERMAL SHUTDOWN Temperature Shutdown Threshold Temperature ...
Page 8
Typical Performance Curves 0.90 0.80 0.70 0.60 0.50 0.40 0.30 0.20 0.10 0. TEMPERATURE (°C) FIGURE 2. OUTPUT CURRENT DERATING (HTSSOP) Functional Pin Description SYMBOL SDA Bidirectional data from/ SCL Clock from I C bus. ...
Page 9
Functional Description The ISL6423 single output voltage regulator makes an ideal choice for advanced satellite set-top box and personal video recorder applications. The device utilizes built-in DC/DC step up converters that, operates from a single supply source ranging from 8V ...
Page 10
However, there could be some cases in which a highly capacitive load on the output may cause a difficult start-up when the dynamic protection is selected. This can be solved by initiating any power start-up in static mode (DCL = ...
Page 11
Byte Format Every byte put on the SDA line must be eight bits long. The number of bytes that can be transmitted per transfer is unrestricted. Each byte has to be followed by an acknowledge bit. Data is transferred with ...
Page 12
SR1H SR1M SR1L OTF CABF ...
Page 13
SR4H SR4M SR4L ...
Page 14
I C Bit Description BIT NAME DESCRIPTION EN ENable Output for channels 1 and 2 VTOP Voltage TOP Select i.e., 18V/19V for channels 1 and 2 VBOT Voltage BOTtom Select i.e., 13V/14V for channels 1 and 2 ENT ENable ...
Page 15
Package Outline Drawing L24.4x4D 24 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE Rev 2, 10/06 4.00 PIN 1 INDEX AREA (4X) 0.15 TOP VIEW ( TYP ) ( TYPICAL RECOMMENDED LAND PATTERN 15 ISL6423 ...
Page 16
... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...