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参数资料
型号： LP3906SQXVPFP
厂商： NATIONAL SEMICONDUCTOR CORP
元件分类： 稳压器
英文描述： 2 A DUAL SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, QCC24
封装： 5 X 4 MM, 0.80 MM HEIGHT, LLP-24
文件页数： 37/40页
文件大小： 4197K
代理商： LP3906SQXVPFP
Absolute Maximum Ratings (Note 1, Note
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)
1.43 W
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)
2 kV
Operating Ratings (Note 1, Note 2, Note 7)
Bucks
V
IN
2.7V 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
(Note 3, Note 5, Note 6)
Junction-to-Ambient Thermal Resistance
(θ
JA)SQA024AG
28°C/W
Electrical Characteristics
General Electrical Characteristics (Note 1, Note 2, Note 7, 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
V
POR
Power-On Reset Threshold
V
DD Falling Edge
1.9
V
T
SD
Thermal Shutdown Threshold
160
°C
T
SDH
Themal Shutdown Hysteresis
20
°C
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
www.national.com
6
LP3906
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相关代理商/技术参数
参数描述
LP3906SQX-VPFP/NOPB 功能描述:其他电源管理 RoHS:否 制造商:Texas Instruments 输出电压范围: 输出电流:4 mA 输入电压范围:3 V to 3.6 V 输入电流: 功率耗散: 工作温度范围:- 40 C to + 110 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-48 封装:Reel
LP3907 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Dual High-Current Step-Down DC/DC and Dual Linear Regulator with I2C Compatible Interface
LP3907QSQ-JJXP/NOPB 功能描述:上下转换器 Dual Hi-Current SD DC/DC RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
LP3907QSQ-JXI7/NOPB 功能描述:低压差稳压器 - LDO RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20
LP3907QSQ-JXIP/NOPB 功能描述:上下转换器 Dual Hi-Current SD DC/DC RoHS:否 制造商:Texas Instruments 产品:Down Converters 射频:52 MHz to 78 MHz 中频:300 MHz LO频率: 功率增益: P1dB: 工作电源电压:1.8 V, 3.3 V 工作电源电流:120 mA 最大功率耗散:1 W 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-128
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