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PDF ISL98608 Data sheet ( Hoja de datos )
| Número de pieza | ISL98608 | |
| Descripción | High Efficiency Power Supply | |
| Fabricantes | Intersil | |
| Logotipo |  |
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DATASHEET
To request the full datasheet, please visit www.intersil.com/products/ISL98608
High Efficiency Power Supply for Small Size Displays
ISL98608
The ISL98608 is a high efficiency power supply for small size
displays, such as smart phones and tablets requiring ±supply
rails. It integrates a boost regulator, LDO and inverting charge
pump that are used to generate two output rails: +5.5V
(default) and -5.5V (default). The ±5.5V output voltages can be
adjusted from ±4.5V up to ±7V with 50mV steps using the I2C
interface.
The device integrates synchronous rectification MOSFETs for
the boost regulator and inverting charge pump, which
maximizes conversion efficiency.
ISL98608 integrates all compensation and feedback
components, which minimizes BOM count and reduces the
solution PCB size to 18mm2.
The input voltage range, high efficiency operation and also
very low shutdown current make the device ideal for use in
single cell Li-ion battery operated applications.
The ISL98608 is offered in a 1.744mm x1.744mm WLCSP
package, and the device is specified for operation across the
-40°C to +85°C ambient temperature range.
Features
• Two outputs:
- VP = +5.5V (default)
- VN = -5.5V (default)
• 2.5V to 5V input voltage range
• ±4.5 to ±7V wide output range
• >89% efficiency with 12mA load between VP and VN
• 18mm2 solution PCB area
• Fully integrated FETs for synchronous rectification
• Integrated compensation and feedback circuits
• I2C adjustable output voltages and settings
• Integrated VP/VN discharge resistors
• 1µA shutdown supply current
• Programmable turn on and turn off sequencing
• 1.744mm x1.744mm, 4x4 array WLCSP with 0.4mm pitch
Applications
• TFT-LCD smart phone displays
• Small size/handheld displays
VIN
2.5V TO 5V
CIN
L1
CVBST
LCD PANEL
CVN
-5.5V
NEGATIVE SUPPLY
POSITIVE SUPPLY
+5.5V
CVP
CCP
LXP
VBSTCP
VBST
VIN
CP ISL98608
CN
SCL
SDA
ENP
ENN
VN
VSUB
VP AGND
PGND
PROCESSOR
FIGURE 1. TYPICAL APPLICATION CIRCUIT: TFT-LCD SMART PHONE DISPLAY
December 23, 2014
FN8711.0
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 LLC 2014. 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.
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet ISL98608.PDF ] | |
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