LM3554TME/NOPB National Semiconductor, LM3554TME/NOPB Datasheet - Page 3

• 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

Current Source Specifications
Step-Up DC/DC Converter Specifications
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
ESD Caution Notice
ESD precautions. Failure to observe proper ESD handling techniques can result in damage to the device.
Electrical Characteristics
Limits in standard typeface are for T
(-30°C
V
V
TORCH
NTC
Continuous Power
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
(Soldering)
Symbol
I
IN
SCL
I
R
R
OUT_SC
MATCH
V
V
I
V
, V
PMOS
NMOS
LED
I
REG
OVP
CL
HR
, V
, V
SW
≤
SDA
T
, V
ENVM/TX2
A
, V
OUT
≤
HWEN
+85°C). Unless otherwise specified, V
Current Source
Accuracy
Current Source
Regulation
Voltage (V
V
LED Current
Matching
Output Voltage
Accuracy
Output Over-
Voltage
Protection Trip
Point(Note
PMOS Switch
On-Resistance
NMOS Switch
On-Resistance
Switch Current
Limit(Note
Output Short
Circuit Current
Limit
LED
, V
Parameter
, V
)
Dissipation(Note
LED1
STROBE
, V
OUT
J-MAX
9)
8)
LED2
, V
-
)
, V
TX1/
600mA Flash
LED Setting,
V
17mA Torch
Current
Setting, V
500mV
600mA setting, V
600mA setting, V
2.7V
V
On Threshold, 2.7V
Off Threshold
I
I
CL bits = 00
CL bits = 01
CL bits = 10
CL bits = 11
V
LEDI/
PMOS
NMOS
OUT
ENVM
OUT
National Semiconductor recommends that all integrated circuits be handled with appropriate
A
3)
= +25°C. Limits in boldface type apply over the full operating ambient temperature range
≤
= V
< 2.3V
= 1A
= 1A
= V
V
Internally Limited
IN
IN
-65°C to +150°C
HR
IN
-0.3V to to (V
+0.3V) w/ 6.0V
Conditions
≤
, OV bit = 0
=
4.2V, I
(Note
-0.3V to 6V
I
I
I
LED1
LED1
LED1
OUT
LED
(Note
+150°C
IN
1,
+I
+I
OUT
≤
or I
= 3.2V
= 3.75V
= 3.6V, V
max
LED2
LED2
Note
V
LED2
4)
IN
= 0mA,
IN
≤
5.5V
3
HWEN
Operating Ratings
Thermal Properties
V
Junction Temperature (T
Ambient Temperature (T
(Note
Junction-to-Ambient Thermal
Resistance (θ
Package(Note
= V
IN
IN
0.711
1.295
1.783
2.243
1128
30.4
Min
541
4.8
5.4
.
5)
(Note
2,
JA
6)
Note
), TMD16
1200
33.8
0.35
1.05
1.51
1.99
2.45
Typ
600
300
150
150
550
7)
5.6
5.3
5
A
J
)
)
(Note
1.373
2.263
2.828
1284
Max
37.2
657
5.2
5.7
1.8
1,
Note
-30°C to +125°C
-30°C to +85°C
2)
2.5V to 5.5V
www.national.com
60°C/W
Units
mΩ
mΩ
mA
mV
mA
%
V
V
A