LM3530UME-40/NOPB National Semiconductor, LM3530UME-40/NOPB Datasheet - Page 12
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LM3530UME-40/NOPB
Manufacturer Part Number
LM3530UME-40/NOPB
Description
IC LED DRVR PROGRAM I2C 12USMD
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet
1.LM3530UME-40NOPB.pdf
(44 pages)
Specifications of LM3530UME-40/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-UFBGA
Operating Temperature
-40°C ~ 85°C
Current - Output / Channel
Adjustable
Led Driver Application
LED Backlighting, Portable Electronics
No. Of Outputs
1
Output Current
29.5mA
Output Voltage
40V
Input Voltage
2.7V To 5.5V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Other names
LM3530UME-40TR
www.national.com
Channel 2: SDA (5V/div)
Channel 3: ILED (10mA/div)
Time Base (2s/div)
Channel 1: IIN (200mA/div)
Channel 3: VOUT (20V/div)
Channel 4 (10mA/div)
Time Base (2ms/div)
(D
Channel 4: ILED (5mA/div)
Channel 2: PWM (5V/div)
Time Base (2ms/div)
(V
PWM
IN
I
= 3.6V, ILED = 19mA, L = 22µH, Ramp Rate = 8µs/step)
LED
from 30% to 70%, I
Response to Step Change in PWM Duty Cycle
(32.768ms/step up and down)
Ramp Rate (Exponential)
Startup Plot
LED
Full Scale = 19mA, f
30086698
30086694
30086696
PWM
= 5kHz)
12
Channel 2: SDA (5V/div)
Channel 3: ILED (10mA/div)
Time Base (4s/div)
Channel 1: VIN (500mV/div)
Channel 2: VOUT (500mV/div)
Channel 3: ILED (500µA/div)
Time Base (400µs/div)
(V
IN
from 3.6V to 3.2V, ILED = 19mA, L = 22µH)
(65.538ms/step up and down)
Ramp Rate (Exponential)
Line Step Response
30086695
30086697