- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374721 > SC2440TETRT (Semtech Corporation) 2.5 MHz Dual Switching Regulator with Integrated 2A Switches PDF資料下載
參數(shù)資料
| 型號(hào)： | SC2440TETRT |
| 廠商： | Semtech Corporation |
| 英文描述： | 2.5 MHz Dual Switching Regulator with Integrated 2A Switches |
| 中文描述： | 2.5 MHz雙開關(guān)穩(wěn)壓器集成甲開關(guān) |
| 文件頁(yè)數(shù)： | 2/26頁(yè) |
| 文件大小： | 643K |
| 代理商： | SC2440TETRT |
第1頁(yè)當(dāng)前第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)
2
2005 Semtech Corp.
www.semtech.com
SC2440
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Electrical Characteristics
Unless specified: -40°C < T
A
< 85°C, -40°C < T
J
< 105°C, R
OSC
= 12.1K
, V
SYNC
= 0, V
IN
= 5V, V
BOOST
= 8V
Parameter
Symbol
Max
Units
Input Voltage
V
IN
-0.3 to 20
V
Boost Pin
V
BST
40
V
Boost Pin Above SW
V
BST
-V
SW
20
V
PGOOD Pin Voltage
V
PGOOD
V
IN
V
SS Pins
V
SS
3
V
FB Pins
V
FB
-0.3 to V
IN
V
SYNC Pin Current
I
SYNC
5
mA
SW Voltage
V
SW
-0.6 to V
IN
V
SW Transient Spikes (<10ns Duration)
V
SW
V
IN
+1.5
V
-2.5
Operating Ambient Temperature Range
T
A
-40 to 85
°C
Thermal Resistance Junction to Ambient
θ
JA
45
°C/W
Maximum Junction Temperature
T
J
150
°C
Storage Temperature Range
T
STG
-65 to +150
°C
Lead Temperature (Soldering)10 sec
T
LEAD
300
°C
Parameter
Conditions
Min
Typ
Max
Units
V
IN
Start Voltage
2.45
2.62
2.78
V
V
IN
Start Hysteresis
75
mV
Quiescent Current
Not switching, PGOOD Open
3.3
4.3
mA
Shutdown Current
V
SS1
= V
SS2
= 0V, PGOOD Open
38
60
μA
Feedback Voltage
0.980
1.000
1.020
V
Feedback Voltage Line
Regulation
V
IN
= 3V to 20V
0.005
%/V
FB Pin Input Bias Current
V
FB
= 1V, V
COMP
= 1.5V
-15
-30
nA
Error Amplifier Transconductance
280
μ
-1
Error Amplifier Open-loop Gain
53
dB
COMP Source Current
V
FB
= 0.8V, V
COMP
= 1.5V
20
μA
COMP Sink Current
V
FB
= 1.2V, V
COMP
= 1.5V
20
μA
COMP Pin to Switch Current Gain
5.7
A/V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2441A | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441AEVB | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441ATETRT | 1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441 | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441EVB | Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2441 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Very Low Input Voltage 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441A | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441A_09 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441AEVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with Step-up Converter |
| SC2441ATETRT | 制造商:Semtech Corporation 功能描述: |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。