LM2759SD/NOPB National Semiconductor, LM2759SD/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM2759SD/NOPB
• Description: IC LED DRIVER PHOTO FLASH 12-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Photo Flash LED (I²C Interface)r

Specifications of LM2759SD/NOPB

• Constant Current: Yes
• Topology: Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Frequency: 700kHz ~ 1.3MHz
• Voltage - Supply: *
• Voltage - Output: 2 V ~ 4 V
• Mounting Type: Surface Mount
• Package / Case: 12-LLP
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 90%
• Led Driver Application: Camera Flash In Mobile Phones, Flash For Digital Cameras
• No. Of Outputs: 1
• Output Current: 1A
• Output Voltage: 5.1V
• Input Voltage: 2.7V To 5.5V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM2759SDTR

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Connection Diagram
Note 1: The actual physical placement of the package marking will vary from part to part. The package marking placeholder "XXXXX" is a code for the die
traceability. "YYYYY" identifies the device (part number, voltage option, etc.). See the Order Information table below for the device ID codes.
Pin Descriptions
Ordering Information
Pin
10
12
11
3
2
1
4
6
8
7
5
9
Order Number
LM2759SDX
LM2759SD
Strobe
Name
V
GND
SDA
C1−
C1+
C2+
C2−
I
SCL
V
SINK
TX
OUT
IN
Package Description
No-Pullback
Input voltage connection.
Charge pump regulated output.
Flying capacitor connections.
Ground connection.
Regulated current sink input.
Serial data I/O pin.
Manual flash enable pin. Flash will remain on for the duration that the Strobe pin is held high
or when the Flash Timeout occurs, whichever comes first.
Transmission pulse Flash interrupt pin. High = RF PA pulse active, LED current reduced to
Torch level, Low = RF PA pulse off, LED at full programmed current level.
Serial clock pin.
LLP-12
NS Package Number SDF12A
3mm x 3mm x 0.8mm
12-Pin LLP Package
Package Marking
2
ZXYTT
L2759
Description
Supplied as Tape and Reel (Units)
1000 units, tape and reel
4500 units, tape and reel
30069302