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參數(shù)資料
| 型號： | LTC3529EDCB#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, PDSO8 |
| 封裝： | 2 X 3 MM, 0.75 MM PITCH, LEAD FREE, PLASTIC, DFN-8 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大小： | 206K |
| 代理商： | LTC3529EDCB#PBF |
LTC3529
6
3529fb
The LTC3529 is a 1.5MHz synchronous boost converter in
an 8-lead 2mm
× 3mm DFN package. The device operates
with an input voltage as low as 1.8V and features xed-
frequency current-mode PWM control for exceptional line
and load regulation. Internal MOSFET switches with low
RDS(ON) and low gate charge enable the device to maintain
high efciency over a wide range of load current.
PWM Operation
The LTC3529 operates in a xed-frequency PWM mode
using current-mode control at all load currents. At very
BLOCK DIAGRAM
light loads, the LTC3529 will exhibit pulse-skipping
operation.
Soft-Start
The LTC3529 provides soft-start by ramping the inductor
current limit from zero to its peak value in approximately
2ms. The internal soft-start capacitor is discharged in
the event of a fault, thermal shutdown or when the IC is
disabled via the SHDN pin.
3529 BD
SW
CIN
3.3μF
1.8V
TO
5.25V
VOUT, 5V
L1
4.7μH
FAULT
VOUT
SHDN
COUT
10μF
2
PGND
4
GND (BP)
9
RST
7
VIN
8
3
5
SNSGND
6
1
22ms
FAULT TIMER
ANTI-RING
PWM LOGIC
AND
DRIVERS
CLOCK
FAULT OR
THERMAL
SHUTDOWN
BULK CONTROL
SIGNALS
CURRENT
SENSE
–
+
–
+
–
+
–
SOFT-START
1.25V
2A
SD
CC
C2
1.25V
R2
625k
THERMAL SD
REFERENCE
GM ERROR
AMPLIFIER
OSCILLATOR
+
–
IZERO
COMP
PWM
COMP
ILIM
COMP
R1
1.875M
RC
OPERATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3530 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
| LTC3530EDD | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 1.8V to 5.5V 10-Pin DFN EP |
| LTC3530EDD#PBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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 |
| LTC3530EDD#TRPBF | 功能描述:IC REG BUCK BOOST SYNC ADJ 10DFN 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:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LTC3530EDD-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Wide Input Voltage Synchronous Buck-Boost DC/DC Converter |
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