LM3554TME/NOPB National Semiconductor, LM3554TME/NOPB Datasheet - Page 2

• Manufacturer Part Number: LM3554TME/NOPB
• Description: IC LED DVR PHOTO FLASH 16-USMD
• Manufacturer: National Semiconductor
• Type: Photo Flash LED (I²C Interface)r

Specifications of LM3554TME/NOPB

• Constant Current: Yes
• Topology: High Side, Step-Up (Boost)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: White LED
• Frequency: 2MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 16-MicroSMD
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 600mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Led Driver Application: LED Backlighting, Portable Electronics
• No. Of Outputs: 2
• Output Current: 1.2A
• Input Voltage: 2.7V To 5.5V
• Dimming Control Type: I2C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM3554TMETR

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Application Circuit Component List
Connection Diagram
Pin Descriptions
Ordering Information
Component
Order Number
A2, B2
A3, B3
A4, B4
LM3554TME
LM3554TMX
COUT
Pin
LEDs
A1
B1
C1
C2
C3
C4
D1
D2
D3
D4
CIN
L
TX1/TORCH/
ENVM/TX2/
GPIO2/INT
LEDI/NTC
STROBE
Manufacturer
GPIO1
HWEN
Name
LED1
LED2
OUT
GND
SDA
SCL
SW
IN
Lumiled
Murata
Murata
TOKO
TMD16CCA
TMD16CCA
Package
High-Side Current Source Output for Flash LED.
Step-Up DC/DC Converter Output.
Drain Connection for Internal NMOS and Synchronous PMOS Switches.
Ground
High-Side Current Source Output for Flash LED.
Configurable as a High-Side Current Source Output for Indicator LED or Threshold Detector for
LED Temperature Sensing.
Configurable as a RF Power Amplifier Synchronization Control Input (TX1), a Hardware Torch
Enable (TORCH), or a programmable general-purpose logic Input/Output (GPIO1).
Active High Hardware Flash Enable. Drive STROBE high to turn on Flash pulse.
Input Voltage Connection. Connect IN to the input supply, and bypass to GND with a minimum
4.7µF ceramic capacitor.
Configurable as an Active High Voltage Mode Enable (ENVM), Dual Polarity Power Amplifier
Synchronization Input (TX2), or Programmable General Purpose Logic Input/Output (GPIO2).
Serial Data Input/Output.
Serial Clock Input.
Active Low Hardware Reset.
4.7µF/10µF
Value
2.2µH
4.7µF
Package Marking
SF
SF
2
GRM188R60J475M, or
GRM188R60J106M
GRM185R60J475M
FDSE0312-2R2M
Part Number
LXCL-PWF4
3000 units, Tape-and-Reel
30042003
250 units, Tape-and-Reel
Function
Supplied As
1.6×0.8×0.8 (0603)
1.6×0.8×0.8 (0603)
Size (mm)
3×3×1.2
YES (NOPB)
YES (NOPB)
No-Lead
2.3A(0.2Ω)
Rating
6.3V
6.3V
1.5A