LP8720TLX-B/NOPB National Semiconductor, LP8720TLX-B/NOPB Datasheet - Page 7
![IC REG BUCK 5-LDO I2C 20USMD](/photos/6/99/69996/tla2011a_sml.jpg)
LP8720TLX-B/NOPB
Manufacturer Part Number
LP8720TLX-B/NOPB
Description
IC REG BUCK 5-LDO I2C 20USMD
Manufacturer
National Semiconductor
Datasheet
1.LP8720TLENOPB.pdf
(24 pages)
Specifications of LP8720TLX-B/NOPB
Topology
Step-Down (Buck) Synchronous (1), Linear (LDO) (5)
Function
Any Function
Number Of Outputs
6
Frequency - Switching
2MHz
Voltage/current - Output 1
0.8 V ~ 2.3 V, 400mA
Voltage/current - Output 2
1.2 V ~ 3.3 V, 300mA
Voltage/current - Output 3
1.2 V ~ 3.3 V, 300mA
W/led Driver
No
W/supervisor
No
W/sequencer
Yes
Voltage - Supply
2.7 V ~ 4.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-UFBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LP8720TLX-B/NOPB
Manufacturer:
TI/德州仪器
Quantity:
20 000
Start Up Sequence
Default Output Voltages
Note 1) BUCK voltage is 1.2V if DVS=LO and 1.3V if DVS=HI.
DEFSEL
VBATT
GND
Hi-Z
Output
BUCK
LDO1
LDO2
LDO3
LDO4
LDO5
Start Up Sequence
LDO1, 2, 3, 4 enable same time.
LDO5 and BUCK enable via Serial Interface.
LDO3 enable.
LDO1, 2, 4, 5 and BUCK enable via Serial Interface .
LDO1, 2, 3, 4 enable same time.
LDO5 and BUCK enable via Serial Interface.
Max Current [mA]
300
300
300
300
300
400
DEFSEL=VBATT
3.3 OFF
1.0 OFF
3.0 ON
2.6 ON
1.8 ON
1.0 ON
Default output Voltage [V] and default ON/OFF if EN=HI
7
Shut Down Sequence
In reverse order of start up sequence.
In reverse order of start up sequence.
In reverse order of start up sequence.
DEFSEL=GND
1.2/1.3
3.0 OFF
3.0 OFF
2.6 OFF
3.3 OFF
2.6 ON
1)
OFF
DEFSEL=Hi-Z
3.3 OFF
1.2 OFF
2.8 ON
2.6 ON
1.8 ON
1.2 ON
www.national.com