LP3913SQX-AC/NOPB National Semiconductor, LP3913SQX-AC/NOPB Datasheet - Page 44

• Manufacturer Part Number: LP3913SQX-AC/NOPB
• Description: IC PWR MANAGEMENT W/CHRGR 48-LLP
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LP3913SQX-AC/NOPB

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: LP3913SQX-AC

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LDO1 CONTROL REGISTER
LDO1 can be configured through its own I
The output voltage is programmable in steps of 100 mV from
1.2V to 3.3V. LDO1 gets enabled during the power-on se-
quence. Disable/enable control is provided through bit D5 in
LDO1 CONTROL REGISTER (08)h
Access
Data
Reset
D7–6
Read Only 0
Reserved
n/a
2
C control register.
D5
R/W
Operation
0: disable
1: enable
1
44
the LDO1 control register after selecting the appropriate D4–
0 settings, which determine the output voltage.
The output voltage can be altered while LDO1 is enabled.
When LDO1 is disabled it shunts the output to AGND with a
R
SHUNT
= 200Ω (Max.).
D4–0
5’h15 –5’h1F
5’h0C
5’h0D
5’h00
5’h01
5’h02
5’h03
5’h04
5’h05
5’h06
5’h07
5’h08
5’h09
5’h0A
5’h0B
5’h0E
5’h0F
5’h10
5’h11
5’h12
5’h13
5’h14
5’h08
LDO1 Output Voltage (V)
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3