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參數(shù)資料
| 型號(hào)： | LP3972 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Power Management Unit for Advanced Application Processors |
| 中文描述： | 電源管理單元的高級(jí)應(yīng)用處理器 |
| 文件頁(yè)數(shù)： | 8/59頁(yè) |
| 文件大?。?/td> | 1072K |
| 代理商： | LP3972 |
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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
GND to GND SLUG
Junction Temperature (T
J-MAX
)
Storage Temperature
Power Dissipation
(T
A
= 70C) (Note 3)
Junction-to-Ambient Thermal
Resistance
θ
JA
(Note 3)
Maximum Lead Temp (Soldering)
0.3V to +6.5V
±
0.3V
150C
65C to +150C
3.2W
25C/W
260C
ESD Rating (Note 5)
Human Body Model
Machine Model
2 kV
200V
Operating Ratings
V
IN
LDO 4,5
V
EN
Junction Temperature (T
J
)
Operating Temperature (T
A
)
Maximum Power Dissipation
(T
A
= 70C) (Notes 3, 4)
2.7V to 5.5V
1.74 to (V
IN
40C to +125C
40C to +85C
2.2W
General Electrical Characteristics
T
= 25C. Limits appearing in
boldface
type apply over the entire junction temperature range for operation, 40C to +125C.
(Notes 2, 6)
Typical values and limits appearing in normal type apply for
Symbol
Parameter
Conditions
Min
2.7
1.74
Typ
3.6
3.6
160
20
Max
5.5
5.5
Units
V
V
V
IN
, VDDA, V
IN
Buck1, 2 and 3
V
IN
LDO4, V
IN
LDO5
T
SD
Battery Voltage
Power Supply for LDO 4 and 5
Thermal Shutdown (Note 14)
Temperature
Hysteresis
C
**No input supply should be higher then VDDA
Supply Specifications
(Notes 2, 5)
Supply
V
OUT
(Volts)
I
MAX
Maximum Current
Range
(V)
Resolution
(mV)
Current (mA)
LDO_RTC
LDO1 (V
CC
_MVT)
LDO2
LDO3
LDO4
LDO5 (V
CC
_SRAM)
BUCK 1 (V
CC
_APPS)
BUCK 2
BUCK 3
2.8V
N/A
25
100
100
50-600
25
25
50-600
50-600
30 mA dc source 10 mA backup
source
300
150
150
150
400
1600
1600
1600
1.7 to 2.0
1.8 to 3.3
1.8 to 3.3
1.0 to 3.3
0.850 to 1.5
0.725 to 1.5
0.8 to 3.3
0.8 to 3.3
L
www.national.com
8
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3972_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Power Management Unit for Advanced Application Processors |
| LP3972SQ-0514/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 |
| LP3972SQ-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(guò)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 |
| LP3972SQ-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 |
| LP3972SQ-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 |
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