LP3971SQ-B410EV National Semiconductor, LP3971SQ-B410EV Datasheet - Page 16

• Manufacturer Part Number: LP3971SQ-B410EV
• Description: BOARD EVALUATION LP3971SQ-B410
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3971SQ-B410EV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 9, Non-Isolated
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: LP3971
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Not Compliant

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V
Startup into PWM Mode 980 mA [channel 2]
IN
= 3, 3.5 volts V
3.6 V
V
OUT
IN
, 3.3 V
= 1.4 volts V
Load Transient
OUT
OUT
Startup
= 1.4 volts Forced PWM
, 0 – 100 mA load
IN
= 4.1 volts
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V
OUT
V
IN
= 1.4 volts [PFM to PWM] V
Load transients 20 mA to 560 mA
= 3, 3.6 V, V
Line Transient Response
Mode Change
OUT
= 1.2 V, 250 mA load
IN
= 4.1 volts
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