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參數(shù)資料
| 型號： | LTC3547BIDDB#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.7 A DUAL SWITCHING CONTROLLER, 2700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 2 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, M0-229WECD-1, DFN-8 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 248K |
| 代理商： | LTC3547BIDDB#PBF |
LTC3547B
6
3547bfb
PI FU CTIO S
UU
U
VFB1 (Pin 1): Regulator 1 Output Feedback. Receives
the feedback voltage from the external resistor divider
across the regulator 1 output. Nominal voltage for this
pin is 0.6V.
RUN1 (Pin 2): Regulator 1 Enable. Forcing this pin to
VIN enables regulator 1, while forcing it to GND causes
regulator 1 to shut down.
VIN (Pin 3): Main Power Supply. Must be closely decou-
pled to GND.
SW1 (Pin 4): Regulator 1 Switch Node Connection to the
Inductor. This pin swings from VIN to GND.
GND (Pin 5): Ground. Connect to the (–) terminal of COUT,
and the (–) terminal of CIN.
SW2 (Pin 6): Regulator 2 Switch Node Connection to
the Inductor. This pin swings from VIN to GND.
RUN2 (Pin 7): Regulator 2 Enable. Forcing this pin to
VIN enables regulator 2, while forcing it to GND causes
regulator 2 to shut down.
VFB2 (Pin 8): Regulator 2 Output Feedback. Receives
the feedback voltage from the external resistor divider
across the regulator 2 output. Nominal voltage for this
pin is 0.6V.
Exposed Pad (Pin 9): Electrically Connected to GND.
Must be soldered to the PCB for optimum thermal
performance.
–
+
–
+
EA
–
+
VSLEEP
ITH
SWITCHING
LOGIC
AND
BLANKING
CIRCUIT
S
R
Q
RS
LATCH
PULSE SKIP
–
+
ICOMP
IRCMP
ANTI
SHOOT-
THRU
SLOPE
COMP
SLEEP
0.6V REF
OSC
REGULATOR 2 (IDENTICAL TO REGULATOR 1)
SHUTDOWN
REGULATOR 1
SW1
SW2
5Ω
3547 FD
1
2
7
8
RUN1
RUN2
VFB2
VFB1
4
VIN
3
GND
5
6
0.6V
SOFT-START
FUNCTIONAL DIAGRAM
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| LTC3560ES6 | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3560ES6#TR | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3560ES6#TRM | 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| LTC3605IUF#PBF | 7.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PQCC24 |
| LTC3605IUF#TRPBF | 7.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PQCC24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3547EDDB | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 300mA Synchronous Step-Down Regulator |
| LTC3547EDDB#PBF | 制造商:Linear Technology 功能描述:REG STEP DOWN 0.3A SYNCH DFN-8 制造商:Linear Technology 功能描述:REG, STEP DOWN, 0.3A SYNCH, DFN-8 |
| LTC3547EDDB#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ .3A DL 8DFN 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 |
| LTC3547EDDB#TRPBF | 功能描述:IC REG BUCK SYNC ADJ .3A DL 8DFN 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:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LTC3547EDDB-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Monolithic 300mA Synchronous Step-Down Regulator |
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