LM3561TMX National Semiconductor Corporation, LM3561TMX Datasheet - Page 4

• Manufacturer Part Number: LM3561TMX
• Description: Synchronous Boost Converter With 600ma High Side Led Driver And I2c-compatible Interface
• Manufacturer: National Semiconductor Corporation

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Current Source Specifications
Step-Up DC/DC Converter Specifications
10)
t
TIMEOUT
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
(-40°C
Symbol
V
V
V
Continuous Power
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
(Soldering)
I
I
,
R
R
LED/NTC
OUT_SC
V
(Note
V
IN
SCL
TX2
I
V
PMOS
NMOS
f
I
LED
TRIP
OVP
SW
CL
, V
HR
, V
, V
(Note
SW
≤
LED
11)
SDA
T
, V
A
, V
, V
OUT
≤
Current Source Accuracy
Current Source Regulation
Voltage (V
Output Over-Voltage
Protection Trip
8)
PMOS Switch On-
Resistance
NMOS Switch On-
Resistance
Switch Current
9)
Output Short Circuit
Current Limit
Indicator Current
Comparator Trip Threshold
Switching Frequency
Timeout Duration
LEDI/NTC
HWEN
+85ºC). Unless otherwise specified, V
, V
Dissipation(Note
Parameter
STROBE
OUT
J-MAX
- V
Point(Note
Limit(Note
, V
LED
)
TX1
)
,
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
600mA Flash LED
Setting, V
3V
18mA Torch Current Setting, V
3V
600mA setting, V
On Threshold
Off Threshold
I
I
3.0V
V
Indicator Register = 0xFF, V
2.7V
Configuration Register 1 Bit [4] = '1', 3.0V
≤
2.7V
2.7V
Internally Limited
PMOS
NMOS
-65°C to +150°C
OUT
V
+0.3V) w/ 6.0V
≤
≤
IN
≤
≤
≤
≤
-0.3V to (V
(Note
V
V
< 2.3V
= 500mA
≤
= 500mA
-0.3V to 6V
IN
IN
V
V
V
V
4.2V
IN
IN
IN
IN
≤
≤
(Note
OUT
+150°C
IN
≤
≤
≤
≤
1,
4.2V
4.2V
= 3.6V, V
max
4.2V
4.2V
5.5V
5.5V
= 4.5V,
Note
Conditions
4)
IN
OUT
= 4.5V
4
HWEN
-40C
+85C
T
Flash Duration
Register Bit [5] =
0
Flash Duration
Register Bit [5] =
'1'
A
Operating Ratings
Thermal Properties
= +25C
V
Junction Temperature (T
Ambient Temperature (T
(Note
Junction-to-Ambient Thermal
Resistance (θ
Package(Note
LEDI/NTC
= V
IN
≤
OUT
IN
T
.
A
5)
= 4.5V,
(Note
≤
= 2V,
2,
JA
6)
Note
), TMD12
-10%
4.90
0.88
1.35
0.97
-5%
-3%
Min
1.8
-10
16
7)
A
J
)
)
4.88
Typ
600
600
240
270
250
200
(Note
1.5
18
18
5
1
1
2
1,
Note
+10%
-40°C to +125°C
Max
+6%
+6%
5.05
1.12
1.65
1.03
+10
2.2
-40°C to +85°C
20
2)
2.5V to 5.5V
68°C/W
Units
MHz
mA
mV
mΩ
mΩ
mA
mA
%
V
A
V