LP3905SD-00/NOPB National Semiconductor, LP3905SD-00/NOPB Datasheet - Page 3

• Manufacturer Part Number: LP3905SD-00/NOPB
• Description: IC PWR MANAGEMENT DUAL 14-LLP
• Manufacturer: National Semiconductor

Specifications of LP3905SD-00/NOPB

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: LP3905SD-00; LP3905SD-00TR

Buck 1 [V] Buck 2 [V] LDO 1 [V] LDO 2 [V]
1.2 Fixed
Connection Diagram
Pin Descriptions
Ordering Information
• The physical placement of the package marking will vary from part to part.
• Date Code - UZXYTT format. ’U’ - Wafer fab code; ’Z’ - assembly site code; ’XY’ 2 digit date code; ’TT’ die run code
• See National Web site for more info - http://www.national.com/quality/marking_conventions.html
PWM
ADJ
1.2
Pin #
DAP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
1.875
1.875
Fixed
PWM
ADJ
GND_B1
GND_B2
TGND
SGND
Name
2.8
2.8
3.0
LDO2
LDO1
VIN2
GND
SW1
VIN1
SW2
EN2
EN1
FB1
FB2
(Continued)
FIGURE 4. LP3905 14 Pin LLP Package Marking
2.8
2.8
2.8
Description
Enable Pin for Buck2
Ground Pin
LDO2 Output Pin
Input Power Terminal to LDO1 & 2
LDO1 Output Pin
LDO1 & 2 Ground Pin
Enable Pin for Buck1 and LDO1&2
Buck1 Feedback Pin
Buck1 Ground Pin
Buck1 Switch Pin
Input Power Terminal to Buck1 & 2
Buck2 Switch Pin
Buck2 Ground Pin
Buck2 Feedback Pin
Die Attach Pad (DAP)
NS package number SDA14B
LP3905SD-00
LP3905SDX-00
LP3905SD-30
LP3905SDX-30
LP3905SD-A3
LP3905SDX-A3
Package Marking Diagram
Order Number
3
20152905
Package Marking
3905-A3
3905-00
3905-30
1000 units, Tape-and-Reel
4500 units, Tape-and-Reel
1000 units, Tape-and-Reel
4500 units, Tape-and-Reel
1000 units, Tape-and-Reel
4500 units, Tape-and-Reel
Supplied As
www.national.com