LM2791LDX-L/NOPB National Semiconductor, LM2791LDX-L/NOPB Datasheet - Page 6

• Manufacturer Part Number: LM2791LDX-L/NOPB
• Description: IC LED DRIVR WHITE BCKLGT 10-LLP
• Manufacturer: National Semiconductor
• Type: Backlight, White LEDr

Specifications of LM2791LDX-L/NOPB

• Constant Current: Yes
• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 2
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 450kHz ~ 850kHz
• Voltage - Supply: 3 V ~ 5.8 V
• Mounting Type: Surface Mount
• Package / Case: 10-LLP
• Operating Temperature: -30°C ~ 85°C
• Current - Output / Channel: 36mA
• Internal Switch(s): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Efficiency: -
• Other names: LM2791LDX-L

Typical Performance Characteristics
Unless otherwise specified, C1 = C
, C
= 1uF, V
= 3.6V,
IN
HOLD
IN
V
= 3.6V, BRGT pin =0V, R
= 330Ω (Continued)
DIODE
SET
I
vs BRGT
V
vs BRGT
DIODE
SET
20018313
20018309
Switching Frequency vs Supply Voltage
Switching Frequency vs. Temperature
20018306
20018321
Start Up Time
@
3.0V
Start Up Time
@
3.6V
IN
IN
20018314
20018315
www.national.com
6