SC900841JVKR2 Freescale Semiconductor, SC900841JVKR2 Datasheet - Page 76

• Manufacturer Part Number: SC900841JVKR2
• Description: IC POWER MGT 338-MAPBGA
• Manufacturer: Freescale Semiconductor

Specifications of SC900841JVKR2

• Applications: PC's, PDA's
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 338-TBGA
• Input Voltage: 2.8 V to 4.4 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Supply: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Main Features
• Uses the V
• It is used as a pre-regulator to many LDO rails, for enhanced
• Uses Integrated MOSFETs
• 4.0 MHz switching frequency
• High efficiency operating modes depending on load
V15 Status/Control Registers and Bits Description
default state for each of these registers.
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900841
FUNCTIONAL DEVICE OPERATION
POWER SUPPLIES
efficiency and reduced thermal dissipation. It also supplies
power to rails in the Platform controller hub
conditions
Reference the register map for read/write conditions and
PWR
rail as its power supply
V
15
C
O15
C
IN 15
V
PWR
L
15
Figure 31. V15 Detailed Internal Block Diagram
PGND15
PVIN 15
SW15
FB15
Figure 32. V15 Efficiency Curves
V
Internal
Compensation
REF
I
Z1
SENSE 5
Driver
EA
Z2
• Output can be discharged through the low side switch.
• Peak current sensing with over-current protection
• Uses internal compensation
• Gate drive circuits are supplied directly from VPWR
Efficiency Curves
mode, based on the recommended external component values
and typical output voltage of 1.5 V. 3.0 V ≤ VPWR ≤ 4.4 V.
Controller
The following efficiency curves are calculated under PWM
AOACCTLV15
V15FAULT
SELV15
CTLV15
Analog Integrated Circuit Device Data
Interface
SPI
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