LP3907SQX-BJXIX/NOPB National Semiconductor, LP3907SQX-BJXIX/NOPB Datasheet - Page 23
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LP3907SQX-BJXIX/NOPB
Manufacturer Part Number
LP3907SQX-BJXIX/NOPB
Description
1 A&D 6A BUCK 2X 0.3A LDO
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet
1.LP3907SQ-JXQXNOPB.pdf
(46 pages)
Specifications of LP3907SQX-BJXIX/NOPB
Topology
Step-Down (Buck) Synchronous (2), Linear (LDO) (2)
Function
Any Function
Number Of Outputs
4
Frequency - Switching
2.1MHz
Voltage/current - Output 1
1.2V, 1A
Voltage/current - Output 2
3.3V, 600mA
Voltage/current - Output 3
1.8V, 300mA
W/led Driver
No
W/supervisor
No
W/sequencer
Yes
Voltage - Supply
2.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-WFQFN Exposed Pad
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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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30017810
Units
ms
ms
ms
ms