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參數(shù)資料
| 型號： | LTC3828 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 16-Bit Bus Transceiver With 3-State Outputs 48-SSOP -40 to 85 |
| 中文描述： | 雙2相降壓型跟蹤控制器 |
| 文件頁數(shù)： | 8/32頁 |
| 文件大?。?/td> | 396K |
| 代理商： | LTC3828 |
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8
LTC3828
3828f
PIU
TG2, TG1 (Pins 17, 25/Pins 16, 25):
High Current Gate
Drives for Top N-Channel MOSFETs. These are the outputs
of floating drivers with a voltage swing equal to INTV
CC
–
0.5V superimposed on the switch node voltage SW.
SW2, SW1 (Pins 18, 24/Pins 17, 24):
Switch Node
Connections to Inductors. Voltage swing at these pins is
from a Schottky diode (external) voltage drop below
ground to V
IN
.
BG2, BG1 (Pins 19, 20/Pins 18, 19):
High Current Gate
Drives for Bottom (Synchronous) N-Channel MOSFETs.
Voltage swing at these pins is from ground to INTV
CC
.
PGND (Pin 21/Pin 20):
Driver Power Ground. Connects to
the sources of bottom (synchronous) N-channel MOSFETs,
anodes of the Schottky rectifiers and the (–) terminal(s) of C
IN
.
DRV
CC
(Pin 21 QFN Only):
External Power Input to gate
drives. It can be connected with INT
VCC
together and use
INT
VCC
as gate drives power supply.
INTV
CC
(Pin 22/Pin 22):
Output of the Internal 5V Linear
Low Dropout Regulator. The driver and control circuits are
powered from this voltage source. Must be decoupled to
power ground with a minimum of 4.7
μ
F tantalum or other low
ESR capacitor.
V
IN
(Pin 23/Pin 23):
Main Supply Pin. A bypass capacitor
should be tied between this pin and the signal ground pin.
PGOOD (Pin 27/Pin 27):
Open-Drain Logic Output. PGOOD
is pulled to ground when the voltage on either V
OSENSE
pin
is not within
±
7.5% of its set point.
CLKOUT (Pin 28/Pin 28):
Output Clock Signal available to
daisychain other controller ICs for additional MOSFET
driver stages/phases.
NC (Pins 8, 9 QFN Only)
: These “No Connect” pins are not
tied internally to anything. On the PC layout, these pin
landings should be connected to the SGND plane under
the IC.
Exposed Pad
(Pin 33, QFN Only)
: Signal Ground. Must be
soldered to the PCB, providing a local ground for the
control components of the IC, and be tied to the PGND pin
under the IC.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3828EG#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標(biāo)準(zhǔn)包裝:2,000 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:1MHz 占空比:50% 電源電壓:9 V ~ 10 V 降壓:無 升壓:是 回掃:是 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 包裝:帶卷 (TR) |
| LTC3828EG#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 28-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LTC3828EUH | 制造商:Linear Technology 功能描述:DC DC Cntrlr Dual-OUT Sync Step Down 4.5V to 28V Input 32-Pin QFN EP |
| LTC3828EUH#PBF | 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
| LTC3828EUH#TRPBF | 功能描述:IC REG CTRLR BUCK PWM CM 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:PolyPhase® 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX |
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