ISL6506BIBZ Datasheet, PDF (1/8 Pages) Intersil Corporation – Multiple Linear Power Controller with ACPI Control Interface

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Data Sheet
ISL6506BIBZ
June 8, 2011
FN7814.0
Multiple Linear Power Controller with
ACPI Control Interface
The ISL6506BIBZ complements other power building blocks
(voltage regulators) in ACPI-compliant designs for
microprocessor and computer applications. The IC
integrates the control of the 5V_DUAL and 3.3V_DUAL rails into
an 8 Ld EPAD SOIC package. The ISL6506BIBZ operating
mode (active outputs or sleep outputs) is selectable through
two digital control pins; S3 and S5.
A completely integrated linear regulator generates the
3.3V_DUAL voltage plane from the ATX supply’s 5V_SB output
during sleep states (S3, S4/S5). In active states (during S0
and S1/S2), the ISL6506BIBZ uses an external N-Channel
pass MOSFET to connect the outputs directly to the 3.3V
input supplied by an ATX power supply, for minimal losses.
The ISL6506BIBZ powers up the 5V_DUAL plane by switching
in the ATX 5V output through an NMOS transistor in active
states, or by switching in the ATX 5V_SB through a PMOS (or
PNP) transistor in S3 sleep state. In S4/S5 sleep states, the
ISL6506BIBZ 5V_DUAL output is shut down.
The ISL6506BIBZ features a 2A current limit on the internal
3.3V LDO.
Features
• Provides 2 ACPI-Controlled Voltages
- 5V_DUAL USB/Keyboard/Mouse
- 3.3V_DUAL/3.3V_SB PCI/Auxiliary/LAN
• Excellent 3.3V_DUAL Regulation in S3/S4/S5
- ±2.0% Over-Temperature
- 2A Capability
• Small Size; Very Low External Component Count
• Over-Temperature Shutdown
• Pb-Free Available (RoHS Compliant)
Applications
• _{ACPI-Compliant Power Regulation for Motherboards}
- 5V_DUAL is shut down in S4/S5 sleep states
Pinout
ISL6506BIBZ
(8 LD EPSOIC)
TOP VIEW
VCC 1
3V3AUX 2
S3 3
S5 4
GND
8 N/C
7 5VDLSB
6 DLA
5 GND
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
TEMP. RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL6506BIBZ
6506B IBZ
-40 to +85
8 Ld EPSOIC
M8.15C
NOTES:
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL6506BIBZ. For more information on MSL please see techbrief TB363.
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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