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LP3972 数据表(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
部件名 LP3972
功能描述  Power Management Unit for Advanced Application Processors
PDF  59 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LP3972 数据表(HTML) 9 Page - National Semiconductor (TI)

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General Electrical Characteristics Typical values and limits appearing in normal type apply for
TJ = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C.
(Notes 2, 6) (Continued)
Default Voltage Option (Notes 2, 5)
Version
LP3972SQ-A514
LP3972SQ-A413
Enable
Version A
Version A
LDO_RTC
—
2.8
—
2.8
LDO1
SYS_EN
1.8
SYS_EN
1.8
LDO2
SYS_EN
1.8D
SYS_EN
1.8D
LDO3
SYS_EN
3D
SYS_EN
3D
LDO4
SYS_EN
3D
SYS_EN
2.8D
LDO5
PWR_EN
1.4
PWR_EN
1.4
BUCK1
PWR_EN
1.4
PWR_EN
1.4
BUCK2
SYS_EN
3.3
SYS_EN
3
BUCK3
SYS_EN
1.8
SYS_EN
1.8
Version
LP3972SQ-E514
LP3972SQ-I514
Enable
Version E
Version I
LDO_RTC
—
2.8
—
2.8
LDO1
SYS_EN
1.8
SYS_EN
1.8
LDO2
SYS_EN
1.8E
SYS_EN
1.8E
LDO3
SYS_EN
3D
SYS_EN
3E
LDO4
SYS_EN
3D
SYS_EN
3E
LDO5
PWR_EN
1.4
PWR_EN
1.4
BUCK1
PWR_EN
1.4
PWR_EN
1.4
BUCK2
SYS_EN
3.3
SYS_EN
3.3
BUCK3
SYS_EN
1.8
SYS_EN
1.8
Note:E= Regulator is ENABLED during startup
D = Regulator is DISABLED during startup
www.national.com
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