參數(shù)資料
型號(hào)： LTC3113EFE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 16 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO20
封裝： 4.40 MM, LEAD FREE, PLASTIC, TSSOP-20
文件頁(yè)數(shù)： 22/24頁(yè)
文件大?。?/td> 383K
代理商： LTC3113EFE#PBF
LTC3113
7
3113f
PIN FUNCTIONS
VOUT (Pins 1, 2/Pins 2, 3): Buck-Boost Output Voltage. A
low ESR capacitor should be placed from VOUT to PGND.
The capacitor should be placed as close to the IC as pos-
sible and have a short return path to ground.
VIN (Pins 3, 4, 5/Pins 4, 5, 6): Power Input for the
Converter. A 47μF or larger bypass capacitor should be
connected between VIN and PGND. The bypass capacitor
should located as close to VIN and PGND as possible and
should via directly to the ground plane.
SGND (Pin 6/Pin 7): Signal Ground. Terminate the fre-
quency setting resistor and output voltage divider to SGND.
BURST (Pin 7/Pin 8): Pulse Width Modulation/Burst Mode
Selection Input. Forcing this pin low causes the switching
converter to operate in low noise xed frequency PWM
mode. Forcing this pin high enables constant Burst Mode
operation for the converter. During Burst Mode operation,
the converter can only support a reduced maximum load
current.
RT (Pin 8/Pin 9): Programs the Frequency of the Internal
Oscillator. Connect a resistor from RT to ground (SGND).
The RT resistor value for a given frequency is given by the
following equation.
R
T
90
fMHz
()
k
Ω
()
VC (Pin 9/Pin 12): Error Amp Output. An R-C network is
connected from this pin to FB for loop compensation. Refer
to the Closing the Feedback Loop section for component
selection guidelines.
FB (Pin 10/Pin 13): Feedback Voltage for the Buck-Boost
Converter Derived from a Resistor Divider on the Buck-
Boost Output Voltage. The buck-boost output voltage is
given by the following equation:
V
OUT = 0.600 1+
R2
R1
V
()
where R1 is a resistor connected between FB and SGND,
and R2 is a resistor connected between FB and VOUT. The
buck-boost output voltage can be adjusted from 1.8V to
5.5V.
RUN (Pin 11/Pin 14): Active High Converter Enable In-
put. Applying a voltage <0.3V to this pin shuts down the
LTC3113. Applying a voltage >1.2V to this pin enables
the LTC3113.
SW1 (Pins 12, 13, 14/Pins 15, 16, 17): Switch Pin Where
Internal Switches A and B are Connected. Connect the
inductor from SW1 to SW2. Minimize trace length to
reduce EMI.
SW2 (Pins 15, 16/Pins 18, 19): Switch Pin Where Internal
Switches C and D are Connected. Connect the inductor
from SW1 to SW2. Minimize trace length to reduce EMI.
PGND (Exposed Pad Pin 17/Pins 1, 10, 11, 20, Exposed
Pad Pin 21): The exposed pad must be soldered to the
PCB and electrically connected to ground through the
shortest and lowest impedance connection possible.
In most applications the bulk of the heat ow out of the
LTC3113 is through this pad, so printed circuit board
design has an impact on the thermal performance of the
part. See the PCB Layout and Thermal Considerations
section for more details.
(DFN/TSSOP)
相關(guān)PDF資料
PDF描述
LTC3113IDHD#TRPBF 16 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO16
LTC3113IFE#PBF 16 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO20
LTC3125EDCB#TRMPBF SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8
LTC3127EDD#PBF SWITCHING REGULATOR, PDSO10
LTC3127EMSE#TRPBF SWITCHING REGULATOR, PDSO12
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3113IDHD#PBF 功能描述:IC REG BUCK BOOST ADJ 3A 16DFN 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:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3113IDHD#TRPBF 功能描述:IC REG BUCK BOOST ADJ 3A 16DFN 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:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3113IFE#PBF 功能描述:IC REG BUCK BOOST ADJ 3A 20TSSOP 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:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3113IFE#TRPBF 功能描述:IC REG BUCK BOOST ADJ 3A 20TSSOP 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:- 設(shè)計(jì)資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 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:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT
LTC3115-1 制造商:LINEAR 制造商全稱:LINEAR 功能描述:40V, 2A Synchronous Buck-Boost DC/DC Converter
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