LP8720TLE NSC [National Semiconductor], LP8720TLE Datasheet - Page 7

• Manufacturer Part Number: LP8720TLE
• Description: One Step-Down DC/DC and Five Linear Regulators with I2C Compatible Interface
• Manufacturer: NSC [National Semiconductor]

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
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