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Si9130

Features: ` Fixed 5-V and Programmable 3.3-V, 3.45 V, or 3.6 V Step-DownConverters` Less than 500-A Quiescent Current per Converter` 25-A Shutdown Current`5.5-V to 30-V Operating RangePinoutSpecificationsV+ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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SeekIC No. : 004490898 Detail

Si9130: Features: ` Fixed 5-V and Programmable 3.3-V, 3.45 V, or 3.6 V Step-DownConverters` Less than 500-A Quiescent Current per Converter` 25-A Shutdown Current`5.5-V to 30-V Operating RangePinoutSpecific...

Si9130 Data Sheet

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Part Number:
Si9130
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Fixed 5-V and Programmable 3.3-V, 3.45 V, or 3.6 V Step-Down
Converters
` Less than 500-A Quiescent Current per Converter
` 25-A Shutdown Current
`5.5-V to 30-V Operating Range




Pinout

Connection Diagram




Specifications

V+ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V t0 36 V
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 V
VL to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to 7 V
BST3, BST5 to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V to 36 V
LX3 to BST3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -7 V to 0.3 V
LX5 to BST5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -7 V to 0.3 V
Inputs/Outputs to GND
(3.45ADJ, 3.6ADJ, SHDN, ON5, REF, SS5, CS5. FB5, SYNC, CS3, FB3, SS3,
ON3)) -0.3 V, (VL + 0.3 V)
DL3, DL5 to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V, (VL + 0.3 V)
DH3 to LX3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V (BST3 + 0.3 )
DH5 to LX5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 V (BST5 + 0.3 )
REF, VL Short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Momentary
REF Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
VL Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Continuous Power Dissipation (TA = 70a
28-Pin SSOPb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 762 mW
Operating Temperature Range:
Si9130CG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70
Si9130LG. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −10 to 90.
Lead Temperature (soldering, 10 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Notes
a. Device mounted with all leads soldered or welded to PC board.
b. Derate 9.52 mW/ above 70.




Description

The Si9130 Pin-programmable Dual Controller for Portable PCs is a pin-programmable version of the Si786 dual-output power supply controller for notebook computers. The Buck controllers provide 5 V and a pin-programmable output delivering 3.3 V, 3.45 V, or 3.6 V.

The circuit is a system level integration of two step-down controllers and micropower 5-V and 3.3-V linear regulators.

The controllers Si9130 perform high efficiency conversion of the battery pack energy (typically 12 V) or the output of an ac to dc wall converter (typically 18-V to 24-V dc) to 5-V and 3.3-V system supply voltages. The micropower linear regulator can be used to keep power management and back-up circuitry alive during the shutdown of the step-down converters.

A complete power conversion and management system can be implemented with the Si9130 Pin-programmable Dual Controller for Portable PCs, an inexpensive linear regulator, the Si9140 SMP Controller for High Performance Processor Power Supplies, five Si4410 n-channel TrenchFET® Power MOSFETs, one Si4435 p-channel TrenchFET Power MOSFET, and two Si9712 PC Card (PCMCIA) Interface Switches.

The Si9130 is available in both standard and lead (Pb)-free 28-pin SSOP packages and specified to operate over the commercial (0 to 70) and extended commercial (−10 to 90) temperature ranges. See Ordering Information for corresponding part numbers.






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