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): 5/26頁
文件大?。?/td> 643K
代理商: SC2440
5
2005 Semtech Corp.
www.semtech.com
SC2440
POWER MANAGEMENT
Block Diagrams
PGOOD1
14
COMP1
15
TRANSISTOR
ROSC
5
IN
3
FB1
16
SW1
EA
R
Q
S
PWM
-
-
+
+
POWER
SLOPE
COMP 1
+
+
+
-
ISEN
ILIM
+
-
20mV
S
7.7m
BOOST1
1
SS1
13
OSCILLATOR
CLK2
CLK1
FREQUENCY
DIVIDER
SLOPE COMP
SYNC
4
SLOPE
COMP 2
SLOPE
COMP 1
SS2
12
REFERENCE
& THERMAL
SHUTDOWN
1V
FAULT
OVLD
Soft-Start
And
Overload
Hiccup
Control 1
0.74V
FB1
POWER
GOOD
100mV
-
+
2
Figure 2. SC2440 Functional Diagram (One of Two Converters Shown)
FAULT
SS
OVLD
1V/2V
S
Q
R
+
-
1.8
μ
A
2.6
μ
A
FB
0.74V
Figure 3. Details of the Soft-Start and Overload Hiccup Control Circuit
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(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