LM3311SQ National Semiconductor Corporation, LM3311SQ Datasheet - Page 15

• Manufacturer Part Number: LM3311SQ
• Description: Step-up Pwm Dc/dc Converter With Integrated Ldo, Op-amp, And Gate Pulse Modulation Switch
• Manufacturer: National Semiconductor Corporation

V
1) V
2) V
3) I
T = 200µs/div
OUT
IN
SHDN
OUT
, 500mA/div, DC
= 8.5V, V
1.28MHz, 8.5V Application Boost Startup Waveform
, 5V/div, DC
, 2V/div, DC
Op-Amp Offset Voltage vs. Load Current
IN
Op-Amp Quiescent Current vs. AV
= 3.3V, C
OUT
(Standard Version)
(Standard Version)
= 20µF, R
LOAD
= 20Ω, C
SS
= 10nF
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IN
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V
1) V
3) I
T = 200µs/div
V
1) V
2) V
3) I
T = 1ms/div
OUT
OUT
LOAD
IN
OUT
SHDN
OUT
, 500mA/div, DC
= 8.5V, V
1.28MHz, 8.5V Application Boost Startup Waveform
= 8.5V, V
, 200mV/div, AC
, 5V/div, DC
, 200mA/div, DC
, 2V/div, DC
1.28MHz, 8.5V Application Boost Load Step
IN
IN
= 3.3V, C
= 3.3V, C
Op-Amp Offset Voltage vs. AV
(Standard Version, No Load)
OUT
OUT
= 20µF
= 20µF, R
LOAD
= 20Ω, C
SS
= 100nF
20126351
20126353
IN
20126317
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