參數(shù)資料
型號(hào)： LTC3554EUD-2#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
封裝： 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件頁數(shù)： 4/36頁
文件大?。?/td> 418K
代理商： LTC3554EUD-2#TRPBF
LTC3554/LTC3554-2
12
35542fb
PIN FUNCTIONS
The LTC3554/LTC3554-2 will partition the available power
between the external load on VOUT and the internal battery
charger. Priority is given to the external load and any extra
power is used to charge the battery. An ideal diode from
BAT to VOUT ensures that VOUT is powered even if the load
exceeds the allotted input current from VBUS or if the VBUS
power source is removed. VOUT should be bypassed with
a low impedance multilayer ceramic capacitor.
SUSP (Pin 19): Suspend Mode Logic Input. If this pin
is driven high the input current limit path is disabled.
In this state the circuit draws negligible power from the
VBUS pin. Any load at the VOUT pin is provided by the
battery through the internal ideal diode. When this input
is grounded, the input current limit will be set to desired
value as determined by the state of the HPWR pin. This
pin has a conditional internal pull-down resistor when
power is applied to the VBUS pin.
VBUS (Pin 20): USB Input Voltage. VBUS will usually be
connected to the USB port of a computer or a DC output
wall adapter. VBUS should be bypassed with a low imped-
ance multilayer ceramic capacitor.
GND (Exposed Pad Pin 21): Ground. The exposed package
pad is ground and must be soldered to the PC board for
proper functionality and for maximum heat transfer.
相關(guān)PDF資料
PDF描述
LTC3554EUD#PBF 0.6 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC20
LTC3565EDD#PBF 2.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
LTC3565EDD#TRPBF 2.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
LTC3565EMSE#TRPBF 2.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
LTC3565IMSE#PBF 2.5 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3554EUD-3#PBF 制造商:Linear Technology 功能描述:IC USB POWER MANAGER 20-QFN
LTC3554EUD-3#TRPBF 制造商:Linear Technology 功能描述:IC USB POWER MANAGER 20-QFN
LTC3555 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Effi ciency USB Power Manager + Triple Step-Down DC/DC
LTC3555EUFD#PBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
LTC3555EUFD#TRPBF 功能描述:IC USB POWER HE 28-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR
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