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LP3972 데이터시트(PDF) 8 Page - Texas Instruments

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부품명 LP3972
상세설명  Power Management Unit for Advanced Application Processors
PDF  59 Pages
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

LP3972 데이터시트(HTML) 8 Page - Texas Instruments

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LP3972
SNVS468J – SEPTEMBER 2006 – REVISED AUGUST 2011
www.ti.com
Default Voltage Option
(1) (2)(3) (continued)
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
Version
LP3972SQ-I414
LP3972SQ-0514
Enable
Version I
Version 0
LDO_RTC
—
2.8
Tracking enabled
3.3 w/ tracking
LDO1
SYS_EN
1.8
SYS_EN
1.8
LDO2
SYS_EN
1.8E
SYS_EN
1.8E
LDO3
SYS_EN
3E
SYS_EN
3.3E
LDO4
SYS_EN
3E
SYS_EN
3E
LDO5
PWR_EN
1.4
PWR_EN
1.4
BUCK1
PWR_EN
1.4
PWR_EN
1.4
BUCK2
SYS_EN
3.0
SYS_EN
3.3
BUCK3
SYS_EN
1.8
SYS_EN
1.8
Version
LP3972SQ-5810
Enable
Version 5
LDO_RTC
2.8
LDO1
SYS_EN
1.8
LDO2
SYS_EN
1.8E
LDO3
SYS_EN
2.5E
LDO4
PWR_EN
1.3E
LDO5
PWR_EN
1.1
BUCK1
PWR_EN
1.35
BUCK2
SYS_EN
1.2
BUCK3
SYS_EN
1.8
LDO RTC
Unless otherwise noted, VIN = 3.6V, CIN = 1.0 µF, COUT = 0.47 µF, COUT (VRTC) = 1.0 µF ceramic. 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.
(1) (2) (3) and (4)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
VOUT Accuracy Output Voltage Accuracy
VIN Connected, Load Current = 1 mA
2.632
2.8
2.968
V
(1)
All voltages are with respect to the potential at the GND pin.
(2)
All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits
are production tested, guaranteed through statistical analysis or guaranteed by design. All limits at temperature extremes are
guaranteed via correlation using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing
Quality Level (AOQL).
(3)
Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.
(4)
LDO_RTC voltage can track LDO3 voltage. LP3972 has a tracking function (nIO_TRACK). When enabled, LDO_RTC voltage will track
LDO3 voltage within 200mV down to 2.8V when LDO3 is enabled
8
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Product Folder Links: LP3972



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