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參數(shù)資料
| 型號： | SC2440 |
| 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) |
| 文件頁數(shù)： | 2/26頁 |
| 文件大?。?/td> | 643K |
| 代理商： | SC2440 |
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 |
|---|---|
| SC2440EVB | 2.5 MHz Dual Switching Regulator with Integrated 2A Switches |
| SC2440TETRT | 2.5 MHz Dual Switching Regulator with Integrated 2A Switches |
| 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 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2440EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:2.5 MHz Dual Switching Regulator with Integrated 2A Switches |
| SC2440STDEVB | 制造商:Semtech Corporation 功能描述:Evaluation Board For 2.5 MHz Dual Switching Regulator With Integrated 2A Switches |
| SC2440TE.TRTCUT | 制造商:Semtech Corporation 功能描述: |
| SC2440TETRT | 功能描述:IC REG BUCK 2A DL 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標準包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| 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 |
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