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PDF ISL98602 Data sheet ( Hoja de datos )
| Número de pieza | ISL98602 | |
| Descripción | 5 Channel DC/DC Converter | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISL98602 (archivo pdf) en la parte inferior de esta página. Total 2 Páginas | ||
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DATASHEET
To request the full datasheet, please visit www.intersil.com/products/isl98602
5 Channel DC/DC Converter + VON Slice + Power Good
ISL98602
Features
The ISL98602 represents a high-power, integrated LCD supply IC
targeted at large panel LCD displays. The ISL98602 integrates a
high-power boost converter for AVDD generation, VON and VOFF
charge pump drivers, one synchronous buck regulator, and one
synchronous buck controller for two logic voltages. The VON
slicing circuitry and power good function are also included.
Operating at 1.3MHz, the AVDD boost converter features a 5.5A
boost FET. Feedback is taken from the far side of the delay FET for
improving regulation. The OVP circuit protects output side
components.
The logic synchronous buck converter features two 2.3A FETs
operating at 1.3MHz internal clock. The output voltage is set by
the IC internally or with a feedback resistor. The soft-start circuitry
is also integrated with the buck.
The second logic voltage is generated from a synchronous buck
converter with MOSFET controllers. The overcurrent protection is
also integrated with the buck.
The charge pump of VON and VOFF uses the full switching
frequency and integrates the driver for high current capability.
VON is further processed through an integrated VON slice circuit in
order to reduce flicker.
Alternative fixed voltages at the boost, Buck1, Buck2, VON charge
pump, and VOFF charge pump are available in ISL98602.
• 9.5V to 15.0V Input Supply
• 1.3MHz Switching Frequency
• 5.5A Integrated Boost for Up to 19V AVDD
• VON Charge Pump, Up to 36V and 120mA
• VOFF Charge Pump, Down to -10V and 120mA
• Synchronous Buck1 for 3.3V/2.5V with 2.0A Peak FET
• Synchronous Buck2 Controller Output from 0.9V to 2.0V
• On-board AVDD Delay Switch
• VON Slice Function Integrated
• Power Good Function for TCON Enable
• Automatic Start-Up Sequencing
• UVLO, UVP, OVP, OCP, and OTP Protection
• 40 Ld 6x6 QFN
• Specified for Ambient Operation Over the -40°C to +85°C
Temperature Range
• Pb- Free (RoHS Compliant)
Applications
• LCD TV
Pin Configuration
ISL98602
40 LD 6x6 QFN
TOP VIEW
40 39 38 37 36 35 34 33 32 31
FBN 1
AGND 2
30 PVIN1
29 NC
REF 3
28 PHASE1
COMP 4
27 EN
SUPN 5
DRVN 6
THERMAL
PAD
26 PGND2
25 COMPB1
PGND1 7
24 VDC
DRVP 8
23 LGATE
SUPP 9
FBP 10
22 NC
21 UGATE
11 12 13 14 15 16 17 18 19 20
March 7, 2012
FN7699.3
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas Inc. 2010-2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners
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| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet ISL98602.PDF ] | |
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