LM3532TMX-40ANOPB National Semiconductor Corporation, LM3532TMX-40ANOPB Datasheet - Page 4

• Manufacturer Part Number: LM3532TMX-40ANOPB
• Description: High Efficiency White Led Driver With Programmable Ambient Light Sensing Capability And I2c-compatible Interface
• Manufacturer: National Semiconductor Corporation

www.national.com
I
I
(Note
V
V
R
I
V
f
D
D
I
I
I
I
T
LOGIC INPUTS/OUTPUTS (PWM1, PWM2, HWEN, SCL, SDA, INT)
V
V
LED(1/2/3)
MATCH
CL
SW
Q
Q_SW
SHDN
LED_MIN
SD
REG_CS
HR
OVP
IL
IH
DSON
MAX
MIN
Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
Limits in standard type face are for T
(−30°C
V
V
to GND
V
V
Continuous Power Dissipation
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
(Soldering, 10s)
ESD Rating
Symbol
IN
SW
SCL
PWM2
9)
11)
to GND
(Note
, V
Human Body Model
, V
, V
≤
OVP
SDA
T
INT
10)
, V
A
, V
, V
≤
ILED1
,
ALS1
+85°C). Unless otherwise specified V
HWEN
Output Current Regulation
Accuracy (ILED1, ILED2 or
ILED3)
ILED2 to ILED3 Current Matching
Regulated Current Sink
Headroom Voltage
Current Sink Minimum
Headroom Voltage
NMOS Switch On Resistance
NMOS Switch Current Limit
Output Over-Voltage Protection
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Quiescent Current into IN, Device
Not Switching
Switching Supply Current
Shutdown Current
Minimum LED Current in ILED1,
ILED2 or ILED3
Thermal Shutdown
Hysteresis
Input Logic Low
Input Logic High
(Note
, V
, V
, V
ALS2
ILED2
T0
3)
, V
to GND
J-MAX
, V
(Note
Parameter
PWM1
ILED3
)
,
A
= +25°C and those in boldface type apply over the full operating ambient temperature range
Internally Limited
−65°C to +150°C
(Note
−0.3V to +45V
−0.3V to +6V
−0.3V to +6V
(Note
2.7V
Scale Current Register = 0xF3,
Brightness Code = 0xFF
I
mA
I
2.7V
ON Threshold, 2.7V
Hysteresis
2.7V
ILED1 = ILED2 = ILED3 = 20.2
mA, feedback disabled.
I
V
2.7V
Full-Scale Current =20.2 mA
Brightness code = 0x01, Mapping
= Exponential
2,
LED
SW
LED1
+150°C
+300°C
OUT
IN
2.0 kV
1,
Note
= 100 mA
= 3.6V.
= 95% of nominal, I
Note
≤
≤
≤
≤
= I
= 32V
V
V
2.7V
V
V
2.7V
2.7V
LED2
7)
IN
IN
IN
IN
Conditions
≤
≤
≤
≤
= I
≤
≤
≤
4
5.5V, HWEN = GND
5.5V, ControlX Full-
5.5V
5.5V
V
V
V
LED3
IN
IN
IN
Operating Ratings
Thermal Properties
ESD Caution Notice
National Semiconductor recommends that all integrated cir-
cuits be handled with appropriate ESD precautions. Failure to
observe proper ESD handling techniques can result in dam-
age to the device.
V
V
V
Junction Temperature Range
(T
Thermal Resistance Junction
to Ambient (T
≤
≤
≤
IN
SW
ILED3
= 20 mA,
≤
J
5.5V
5.5V
5.5V
)(Note
to GND
, V
V
LED
IN
to GND
OVP
≤
= 20.2
4,
5.5V
, V
Note
ILED1
JA
)(Note
, V
5)
18.68
Min
880
450
1.2
−2
40
ILED2
0
6)
,
+140
1000
20.2
0.25
1.35
(Note
Typ
400
200
500
490
0.3
9.5
41
94
10
15
1
1
1,
Note
−40°C to +125°C
1120
Max
21.8
240
550
0.4
V
42
2
2
IN
2)
2.7V to 5.5V
0 to +40V
61.3°C/W
Units
kHz
mA
mV
mV
mA
mA
µA
µA
µA
°C
%
%
%
Ω
V
V