lm8850urx National Semiconductor Corporation, lm8850urx Datasheet - Page 2

• Manufacturer Part Number: lm8850urx
• Description: High-performance, Step-up Dc-dc Converter For High- Power Applications In Mobile Devices
• Manufacturer: National Semiconductor Corporation

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Connection Diagram and Package Mark Information
Note: The package marking “X” denotes the date code, “V” is a National Semiconductor internal code of die traceability.
Pin Descriptions
Ordering Information (9-Bump micro SMD)
Order Number 9-bump Micro SMD
Pin #
C1
C2
C3
A1
A2
A3
B1
B2
B3
LM8850 URE
LM8850 URX
Name
VOUT
SCLK
GND
SDA
BAL
VIN
SW
PG
EN
FIGURE 1. 9-Bump ultra-thin micro SMD Package
Package Marking
Description
Power Supply Input. Connect to input filter capacitor (See Typical Application
Circuit)
Switching node. Connection to the internal NFET switch and PFET synchronous
rectifier
Ground Pin
I
Power Good indicator
Output pin.
I
Enable pin. The device is in shutdown when voltage to this pin is <0.4V and
enabled when >1.2V. Do not leave this pin floating.
Balancing pin for active voltage balancing of supercapacitor
2
2
C data (Use a 2kΩ pull-up resistor)
C Clock (Use a 2kΩ pull-up resistor)
SK
SK
2
3000 units, Tape-and-Reel
250 units, Tape-and-Reel
Supplied As
30113206