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參數(shù)資料
| 型號： | LTC3542ES6 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | PLASTIC, MO-193, TSOT-23, 6 PIN |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 263K |
| 代理商： | LTC3542ES6 |
LTC3542
3
3542f
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime. No pin should exceed 6V.
Note 2: The LTC3542 is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Failure to solder the Exposed Pad of the package to the PC board
will result in a thermal resistance much higher than 40°C/W.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ISW(LKG)
Switch Leakage Current
VIN = 5V, VRUN = 0V, VSW = 0V or 5V
±0.01
±1
A
VUVLO
Undervoltage Lockout Threshold
VIN Rising
VIN Falling
1.8
2.0
1.9
2.3
V
VRUN
RUN Threshold
●
0.3
1.5
V
IRUN
RUN Leakage Current
●
±0.01
±1
A
VMODE/SYNC
MODE/SYNC Threshold
●
0.3
1.2
V
IMODE/SYNC
MODE/SYNC Leakage Current
●
±0.01
±1
A
The
● denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Note 4: The converter is tested in a proprietary test mode that connects
the output of the error amplier to the SW pin, which is connected to an
external servo loop.
Note 5: Dynamic supply current is higher due to the internal gate charge
being delivered at the switching frequency.
Note 6: The DFN switch on resistance is guaranteed by correlation to wafer
level measurements.
Note 7: TJ is calculated from the ambient temperature TA and power
dissipation PD according to the following formula:
TJ = TA + (PD) (θJA).
Burst Mode Operation
Pulse Skip Mode Operation
Start-Up from Shutdown
TYPICAL PERFOR A CE CHARACTERISTICS
UW
SW
2V/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 25mA
FIGURE 3a CIRCUIT
2
s/DIV
3542 G01
VOUT
50mV/DIV
AC COUPLED
IL
100mA/DIV
SW
2V/DIV
IL
100mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 25mA
FIGURE 3a CIRCUIT
400ns/DIV
3542 G02
VOUT
50mV/DIV
AC COUPLED
RUN
2V/DIV
IL
100mA/DIV
VIN = 3.6V
VOUT = 1.8V
ILOAD = 0A
FIGURE 3a CIRCUIT
400
s/DIV
3542 G03
VOUT
1V/DIV
TA = 25°C unless otherwise specied.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3542ES6#PBF | 制造商:Linear Technology 功能描述:DC-DC CONVERTER BUCK 2.25MHZ 制造商:Linear Technology 功能描述:DC-DC CONVERTER, BUCK, 2.25MHZ, 500mA, TSOT-23-6; Primary Input Voltage:5.5V; No. of Outputs:1; Output Current:500mA; No. of Pins:6; Operating Temperature Min:-40C; Operating Temperature Max:85C; Package / Case:6-TSOT-23 ;RoHS Compliant: Yes |
| LTC3542ES6#TR | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Down 2.5V to 5.5V 6-Pin TSOT-23 T/R |
| LTC3542ES6#TRMPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 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:- 產(chǎn)品培訓(xùn)模塊:High Efficiency Current Mode Switching Regulators CMOS LDO Regulators 特色產(chǎn)品:BD91x Series Step-Down Regulators 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):2 輸出電壓:3.3V，0.8 V ~ 2.5 V 輸入電壓:4.5 V ~ 5.5 V PWM 型:電流模式 頻率 - 開關(guān):1MHz 電流 - 輸出:1.5A 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:20-VFQFN 裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:VQFN020V4040 產(chǎn)品目錄頁面:1373 (CN2011-ZH PDF) 其它名稱:BD9152MUV-E2TR |
| LTC3542ES6#TRPBF | 功能描述:IC REG BUCK SYNC ADJ TSOT23-6 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:500 系列:- 類型:切換式電容器（充電泵），反相 輸出類型:固定 輸出數(shù):1 輸出電壓:-3V 輸入電壓:2.3 V ~ 5.5 V PWM 型:Burst Mode? 頻率 - 開關(guān):900kHz 電流 - 輸出:100mA 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:SOT-23-6 細型，TSOT-23-6 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:TSOT-23-6 其它名稱:LTC1983ES6-3#TRMTR |
| LTC3542ES6-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:500mA, 2.25MHz Synchronous Step-Down DC/DC Converter |
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