LM2751SD-A/NOPB National Semiconductor, LM2751SD-A/NOPB Datasheet - Page 8

• Manufacturer Part Number: LM2751SD-A/NOPB
• Description: IC LED DRIVR WHITE BCKLGT 10-LLP
• Manufacturer: National Semiconductor
• Type: Backlight, White LEDr

Specifications of LM2751SD-A/NOPB

• Topology: PWM, Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 725kHz
• Voltage - Supply: 2.8 V ~ 5.5 V
• Voltage - Output: 5V
• Mounting Type: Surface Mount
• Package / Case: 10-LLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 80mA
• Internal Switch(s): Yes
• Efficiency: 90%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM2751SD-A; LM2751SD-ATR

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Typical Performance Characteristics
= V
IN
V
CH1 (top): V
CH2: V
Time scale: 200µs/Div
CH1: EN pin; Scale: 2V/Div
CH2: V
Time scale: 100µs/Div
IN
, V(EN) = V
= 3.2V - 4.2V Step, Load = 150mA
OUT
OUT
Output Voltage Ripple vs. Input Voltage
; Scale: 50mV/Div, AC Coupled
; Scale: 2V/Div
IN
Version B (4.5V), Load = 120mA
; Scale: 1V/Div, DC Coupled
Version A (5V), Load = 80mA
IN
, C
Line Step Response,
Start-up Behavior,
IN
Version B (4.5V)
= C
OUT
= 2.2µF, C
1
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= C
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2
= 1µF. (Continued)
Unless otherwise specified: T
8
V
CH1: V
Time scale: 400ns/Div
V
CH1 (top): V
CH2: Output Current; Scale: 50mA/Div
Time scale: 200µs/Div
CH1: EN pin; Scale: 2V/Div
CH2: V
Time scale: 100µs/Div
IN
IN
= 3.6V, Load = 150mA
= 3.6V, Load = 20mA - 150mA Step
OUT
OUT
; Scale: 10mV/Div, AC Coupled
; Scale: 2V/Div
OUT
Version B (4.5V), Load = 150mA
; Scale: 50mV/Div, AC Coupled
Output Voltage Ripple,
Load Step Response,
Start-up Behavior,
Version B (4.5V)
Version B (4.5V)
A
= 25˚C, V
IN
= 3.6V, CS0 = CS1
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