LP3907SQ-JXQXEV National Semiconductor, LP3907SQ-JXQXEV Datasheet - Page 23

• Manufacturer Part Number: LP3907SQ-JXQXEV
• Description: LP3907 EVALUATION BOARD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3907SQ-JXQXEV

• Main Purpose: DC/DC, Step Down with LDO
• Outputs And Type: 4, Non-Isolated
• Current - Output: 1A, 600mA, 300mA, 300mA
• Regulator Topology: Buck
• Frequency - Switching: 2.1MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LP3907
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Voltage - Input: -
• Power - Output: -

t
t
t
t
1
2
3
4
Symbol
LP3907 Default Power-Up Sequence
Power-On Timing Specification
Note: The LP3907 default Power on delays can be reprogrammed at final test or I
Programmable Delay from EN_T assertion to V
Programmable Delay from EN_T assertion to V
Programmable Delay from EN_T assertion to V
Programmable Delay from EN_T assertion to V
Description
CC
CC
CC
CC
_Buck1 On
_Buck2 On
_LDO1 On
_LDO2 On
23
2
C to 1, 1.5, 2, 3, 6, or 11ms.
Min
Typ
1.5
2
3
6
Max
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Units
ms
ms
ms
ms