參數(shù)資料
型號： LP3907SQ-JIXI
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 1.5 A DUAL SWITCHING CONTROLLER, 2100 kHz SWITCHING FREQ-MAX, QCC24
封裝： 4 X 4 MM, 0.8 MM HEIGHT, LLP-24
文件頁數(shù)： 42/44頁
文件大?。?/td> 3058K
代理商： LP3907SQ-JIXI
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN, SDA, SCL
0.3V to +6V
GND to GND SLUG
±0.3V
Power Dissipation (P
D_MAX)
(T
A=85°C, TMAX=125°C, )(Note 5)
1.43W
Junction Temperature (T
J-MAX)
150°C
Storage Temperature Range
65°C to +150°C
Maximum Lead Temperature (Soldering)
260°C
ESD Ratings
Human Body Model (Note 4)
2kV
Operating Ratings: Bucks
V
IN
2.8V to 5.5V
V
EN
0 to (V
IN + 0.3V)
Junction Temperature (T
J) Range
40°C to +125°
C
Ambient Temperature (T
A) Range (Note 6) 40°C to +85°C
Thermal Properties (Notes 3, 5, 6)
Junction-to-Ambient Thermal
Resistance (
θ
JA) SQA024AE
28°C/W
General Electrical Characteristics (Notes 1, 2, 7, 13, 17)
Unless otherwise noted, V
IN = 3.6V. 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.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
I
Q
VINLDO12 Shutdown Current
V
IN = 3.6V
3
A
V
POR
Power-On Reset Threshold
V
DD Falling Edge(Note 17)
1.9
V
T
SD
Thermal Shutdown Threshold
160
°C
T
SDH
Themal Shutdown Hysteresis
20
°C
UVLO
Under Voltage Lock Out
Rising
2.9
V
Falling
2.7
I2C Compatible Interface Electrical Specifications (Note 13)
Unless otherwise noted, V
IN = 3.6V. 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
Symbol
Parameter
Conditions
Min
Typ
Max
Units
F
CLK
Clock Frequency
400
kHz
t
BF
Bus-Free Time Between Start and Stop
(Note 13)
1.3
s
t
HOLD
Hold Time Repeated Start Condition
(Note 13)
0.6
s
t
CLKLP
CLK Low Period
(Note 13)
1.3
s
t
CLKHP
CLK High Period
(Note 13)
0.6
s
t
SU
Set Up Time Repeated Start Condition
(Note 13)
0.6
s
t
DATAHLD
Data Hold time
(Note 13)
0
s
t
DATASU
Data Set Up Time
(Note 13)
100
ns
T
SU
Set Up Time for Start Condition
(Note 13)
0.6
s
T
TRANS
Maximum Pulse Width of Spikes that
Must be Suppressed by the Input Filter of
Both DATA & CLK Signals.
(Note 13)
50
ns
7
www.national.com
LP3907
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3907SQ-JXQX 制造商:Texas Instruments 功能描述:
LP3907SQ-JXQX/NOPB 功能描述:其他電源管理 RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel
LP3907SQ-JXQX/S7001874 制造商:Texas Instruments 功能描述:NSCLP3907SQ-JXQX@S7001874 1A&0.6A BUCKS
LP3907SQ-JXQXEV 功能描述:LP3907 EVALUATION BOARD RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:PowerWise® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
LP3907SQ-JXQXEV/NOPB 功能描述:BOARD EVAL FOR LP3907 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:PowerWise® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
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