- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄374721 > SC2440EVB (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)： | SC2440EVB |
| 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)： | 3/26頁(yè) |
| 文件大?。?/td> | 643K |
| 代理商： | SC2440EVB |
第1頁(yè)第2頁(yè)當(dāng)前第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)
3
2005 Semtech Corp.
www.semtech.com
SC2440
POWER MANAGEMENT
Electrical Characteristics (Cont.)
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
Conditions
Min
Typ
Max
Units
COMP Switching Threshold
0.7
1.1
1.3
V
COMP Maximum Voltage
V
FB
= 0.9V
2.2
V
Channel Switching Frequecy
1.2
1.4
1.6
MHz
Maximum Duty Cycle
(Note 2)
80
90
%
Switch Current Limit
V
FB
= 0.9V, V
SS
= 2.3V, COMP Pin Open
2
2.6
A
Switch Saturation Voltage
I
SW
= -2A
0.3
0.48
V
Switch Leakage Current
10
μA
Minimum Boost Voltage
I
SW
= -2A
1.8
2.5
V
Boost Pin Current
I
SW
= -0.5A
20
30
mA
I
SW
= -2A
60
80
mA
Minimum Soft-Start Voltage to Exit
Shutdown
SS1 Tied to SS2
0.2
0.4
0.7
V
Soft-start Charging Current
V
SS
= 0V
2
μA
V
SS
= 1.5V
1.8
μA
Soft-start Discharging Current
V
SS
= 1.5V
0.8
μA
Minimum Soft-start Voltage to
Enable Overload Shutoff
V
SS
Rising
2
V
FB Overload Threshold
V
SS
= 2.3V, V
FB
Falling
0.74
V
Soft-start Voltage to Restart
Switching After Overload Shutoff
V
SS
Falling
0.7
1
1.3
V
Power Good Threshold Below FB
V
FB
Rising
80
100
120
mV
Power Good Output Low Voltage
V
FB
= 0.8V, I
PGOOD
= 250μA
0.2
0.4
V
Power Good Pin Leakage Current
V
PGOOD
= 5V
0.1
1
μA
SYNC Input High Voltage
2
V
SYNC Input Low Voltage
(Note 1)
0.8
V
SYNC Frequency
SYNC Frequency = 2 X Channel
Frequency. (Note 1)
3.4
5
MHz
SYNC Pin Input Current
V
SYNC
= 2V
60
75
μA
Thermal Shutdown Temperature
155
°C
Thermal Shutdown Hysteresis
10
°C
Notes: (1) Guaranteed by design, not tested in production.
(2) The maximum duty cycle specified corresponds to 1.4MHz switching frequency. Duty cycles higher than those specified can be
achieved by lowering the operating frequency.
(3) This device is ESD sensitive. Use of standard ESD handling precautions is required.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 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 |
| SC2441 | 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 |
|---|---|
| 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(biāo)準(zhǔn)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(yè)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 |
| 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 |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。