參數(shù)資料
型號(hào)： LP3972SQX-5810
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
封裝： 5 X 5 MM, LLP-40
文件頁數(shù)： 59/60頁
文件大?。?/td> 1171K
代理商： LP3972SQX-5810
Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
All Inputs
0.3V to +6.5V
GND to GND SLUG
±0.3V
Junction Temperature (T
J-MAX)
150°C
Storage Temperature
65°C to +150°C
Power Dissipation
(T
A = 70°C) (Note 3)
3.2W
Junction-to-Ambient Thermal
Resistance
θ
25°C/W
Maximum Lead Temp (Soldering)
260°C
ESD Rating (Note 5)
Human Body Model
2 kV
Machine Model
200V
Operating Ratings
V
IN
2.7V to 5.5V
V
INLDO4, 5
1.74 to V
IN
Junction Temperature (T
J)
40°C to +125°C
Operating Temperature (T
A)
40°C to +85°C
Maximum Power Dissipation
(T
A = 70°C) (Note 3, Note 4)
2.2W
General Electrical Characteristics Typical values and limits appearing in normal type apply for
T
J = 25°C. Limits appearing in boldface type apply over the entire junction temperature range for operation, 40°C to +125°C.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
IN, VDDA, VIN Buck1, 2 and 3
Battery Voltage
2.7
3.6
5.5
V
INLDO4, VINLDO5
Power Supply for LDO 4 and 5
1.74
3.6
V
IN
V
T
SD
Thermal Shutdown (Note 14)
Temperature
160
°C
Hysteresis
20
**No input supply should be higher then VDDA
Supply Specifications (Note 2, Note 5)
Supply
V
OUT (Volts)
I
MAX
Maximum Current
Range
Resolution
Current (mA)
(V)
(mV)
LDO_RTC
2.8V
N/A
30 mA dc source 10 mA backup
source
LDO1 (V
CC_MVT)
1.7 to 2.0
25
300
LDO2
1.8 to 3.3
100
150
LDO3
1.8 to 3.3
100
150
LDO4
1.0 to 3.3
50-600
150
LDO5 (V
CC_SRAM)
0.850 to 1.5
25
400
BUCK1 (V
CC_APPS)
0.725 to 1.5
25
1600
BUCK2
0.8 to 3.3
50-600
1600
BUCK3
0.8 to 3.3
50-600
1600
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相關(guān)PDF資料
PDF描述
LP3972SQXA514 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
LP3972SQ-5810 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
LP3972SQXE514 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC40
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3972SQX-5810/NOPB 功能描述:監(jiān)控電路 Pwr Mgmt Unit RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
LP3972SQXA413 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Management Unit for Advanced Application Processors
LP3972SQX-A413 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3972SQX-A413/NOPB 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
LP3972SQXA514 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Management Unit for Advanced Application Processors
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