LP3907QTLX-VXSS/NOPB National Semiconductor, LP3907QTLX-VXSS/NOPB Datasheet - Page 24

• Manufacturer Part Number: LP3907QTLX-VXSS/NOPB
• Description: IC REG BUCK SYNC-2 LDO-2 25MSMD
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3907QTLX-VXSS/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: 1.8V, 1A
• Voltage/current - Output 2: 3.3V, 600mA
• Voltage/current - Output 3: 2.8V, 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: 25-UFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

www.national.com
t
t
t
t
1
2
3
4
Symbol
LP3907 Default Power-Off Sequence
Note: The LP3907 default Power on delays can be reprogrammed at final test to 0, .5, 1, 2, 5, or 10ms. Default setting is the same as the on sequence.
Programmable Delay from EN_T deassertion to V
Programmable Delay from EN_T deassertion to V
Programmable Delay from EN_T deassertion to V
Programmable Delay from EN_T deassertion to V
Description
CC
CC
CC
CC
_Buck1 Off
_Buck2 Off
_LDO1 Off
_LDO2 Off
24
Min
Typ
1.5
2
3
6
Max
30017811
Units
ms
ms
ms
ms