LM3530UME-25A/NOPB National Semiconductor, LM3530UME-25A/NOPB Datasheet - Page 12

• 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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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
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