LM3530UME-25A/NOPB National Semiconductor, LM3530UME-25A/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM3530UME-25A/NOPB
• Description: IC LED DRVR PRGRAM I2C 10LED SMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM3530UME-25A/NOPB

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 500kHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 12-XFBGA
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: Adjustable
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: LM3530UME-25A/NOPBTR

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I
V
V
R
I
V
f
D
D
I
I
I
I
V
LED
CL
SW
Q
Q_SW
SHDN
LED_MIN
REG_CS
HR
OVP
ALS
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
(−40°C
Symbol
V
V
V
V
V
Continuous Power Dissipation
Junction Temperature (T
Storage Temperature Range
Maximum Lead Temperature
(Soldering, 10s)
ESD Rating
Body Model
IN
SW
SCL
HWEN
ALS2
to GND
, V
, V
to GND
≤
OVP
to GND
SDA
T
, V
A
, V
Output Current Regulation
Regulated Current Sink
Headroom Voltage
Current Sink Minimum
Headroom Voltage
NMOS Switch On
Resistance
NMOS Switch Current Limit 2.7V
Output Over-Voltage
Protection
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Quiescent Current, Device
Not Switching
Switching Supply Current
Shutdown Current
Minimum LED Current
Ambient Light Sensor
Reference Voltage
≤
(Note
ILED
ALS1
+85°C). Unless otherwise specified V
to GND
, V
9) Human
Parameter
PWM
, V
J-MAX
INT
)
,
A
= +25°C and those in boldface type apply over the full operating ambient temperature range
-0.3V to V
2.7V
Current = 19mA, BRT Code =
0x7F, ALS Select Bit = 0, I2C
Enable = 1
I
I
Note:
ON Threshold,
2.7V
5.5V
Hysteresis
2.7V
V
I
V
5.5V
Full-Scale Current = 19mA
setting
BRT = 0x01
2.7V
Internally Limited
−65°C to +150°C
LED
SW
LED
HWEN
HWEN
(Note
= 100 mA
−0.3V to +6V
−0.3V to 45V
−0.3V to +6V
= 95% of nominal
= 19mA, V
(Note
≥
≤
≤
≤
≥
(Note
= V
= GND, 2.7V
V
V
V
V
V
IN
2,
IN
IN
IN
IN
IN
(Note
+150°C
Conditions
10)
IN
+ 0.3V
IN
1,
≥
≤
≤
≤
≥
Note
2.0kV
= 3.6V.
5.5V, Full-Scale
5.5V
5.5V
5.5V
Note
OUT
3)
7)
40V version
25V version
(Note
= 36V
≥
4
V
IN
11)
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
Junction Temperature Range
(T
Ambient Temperature Range
(T
Junction to Ambient Thermal
Resistance (T
IN
SW
J
A
)
)
to GND
, V
(Note
(Note
OVP
17.11
23.6
0.97
Min
739
450
, V
4)
5)
40
ILED
JA
)(Note
, to GND
6)
18.6
0.25
1.35
Typ
400
200
839
500
490
9.5
41
24
94
10
1
1
1
(Note
1,
20.08
Max
24.6
1.03
936
550
600
42
Note
2
−40°C to +125°C
−40°C to +85°C
2)
2.7V to 5.5V
0 to +40V
61.7°C/W
Units
kHz
mA
mV
mV
mA
mA
µA
µA
µA
%
%
Ω
V
V