參數(shù)資料
型號(hào): LTC3833EUDC#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PQCC20
封裝: 3 X 3 MM, LEAD FREE, PLASTIC, QFN-20
文件頁數(shù): 36/36頁
文件大?。?/td> 513K
代理商: LTC3833EUDC#PBF
LTC3833
9
3833f
PIN FUNCTIONS
VIN(Pin14/Pin10):MainSupplyInput.Thesupplyvoltage
can range from 4.5V to 38V. For increased noise immunity
decouple this pin to signal ground with an RC filter. The
voltage on this pin is also used to adjust the TG on-time
in order to maintain constant frequency operation.
INTVCC (Pin 15/Pin 11): Internal 5.3V Regulator Output.
The driver and control circuits are powered from this volt-
age. Decouple this pin to power ground with a minimum of
4.7μF ceramic capacitor (CVCC).TheanodeoftheSchottky
diode, DB, connects to this pin.
PGND(Pin16/Pin12):PowerGroundConnection.Connect
this pin as close as practical to the source of the bottom
N-channel power MOSFET, the (–) terminal of CVCC and
the (–) terminal of CIN.
BG (Pin 17/Pin 13): Bottom Gate Drive Output. This pin
drives the gate of the bottom N-channel power MOSFET
between INTVCC and power ground.
SW (Pin 18/Pin 14): Switch Node Connection. The (–)
terminal of the bootstrap capacitor, CB, connects to this
node. This pin swings from a diode voltage below ground
up to VIN.
TG (Pin 19/Pin 15): Top Gate Drive Output. This pin drives
the gate of the top N-Channel power MOSFET between
VSW and VBOOST.
BOOST (Pin 20/Pin 16): Boosted Driver Supply Connec-
tion. The (+) terminal of the bootstrap capacitor, CB, as
well as the cathode of the Schottky diode, DB, connects
to this node. This node swings from INTVCC – VSCHOTTKY
to VIN + INTVCC – VSCHOTTKY.
SGND (Exposed Pad Pin 21/Exposed Pad Pin 21): Signal
Ground Connection. The SGND exposed pad must be
soldered to the circuit board for electrical contact and
rated thermal performance. All small-signal components
should be connected to the signal ground. Connect signal
ground to power ground only at one point using a single
PCB trace.
相關(guān)PDF資料
PDF描述
LTC3833IFE#PBF SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO20
LTC3835IGN-1#TR 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO16
LTC3835EDHC-1#TRPBF 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO16
LTC3835IGN-1 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO16
LTC3835IUFD 3 A SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PQCC20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3833IFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3833IFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 20TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3833IUDC#PBF 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3833IUDC#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:500kHz 占空比:96% 電源電壓:4 V ~ 36 V 降壓:無 升壓:是 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:24-WQFN 裸露焊盤 包裝:帶卷 (TR)
LTC3834EDHC-1#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 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)