參數(shù)資料
型號(hào)： LTC3554EPD#TRPB
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： 0.5 A BATTERY CHARGE CONTROLLER, 1295 kHz SWITCHING FREQ-MAX, PQCC20
封裝： 3 X 3 MM, 0.55 MM HEIGHT, LEAD FREE, PLASTIC, UTQFN-20
文件頁數(shù)： 32/36頁
文件大小： 418K
代理商： LTC3554EPD#TRPB
LTC3554
5
3554p
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Pushbutton Pin (ON)
VCC_PB
Pushbutton Operating Supply Range
(Notes 4 , 9)
l
2.7
5.5
V
VON_TH
ON Threshold Rising
ON Threshold Falling
0.4
0.8
0.7
1.2
V
ION
ON Input Current
VON = VCC (Note 4)
–1
1
μA
RPB_PU
Pushbutton Pull-Up Resistance
Pull-Up to VCC (Note 4)
200
400
600
kΩ
Logic Input Pins (PWR_ON1, PWR_ON2)
VPWR_ONx
PWR_ONx Threshold Rising
PWR_ONx Threshold Falling
0.4
0.8
0.7
1.2
V
IPWR_ONx
PWR_ONx Input Current
–1
1
μA
Status Output Pins (PBSTAT, PGOOD)
IPBSTAT
PBSTAT Output High Leakage Current
VPBSTAT = 3V
–1
1
μA
VPBSTAT
PBSTAT Output Low Voltage
IPBSTAT = 3mA
0.1
0.4
V
IPGOOD
PGOOD Output High Leakage Current
VPGOOD = 3V
–1
1
μA
VPGOOD
PGOOD Output Low Voltage
IPGOOD = 3mA
0.1
0.4
V
VTHPGOOD
PGOOD Threshold Voltage
(Note 10)
–8
%
Pushbutton Timing Parameters (Note 11)
tON_PBSTATL
Minimum ON Low Time to Cause PBSTAT
Low
ON Brought Low During Power-On (PON) or
Power-Up (PUP1, PUP2) States
50
ms
tON_PBSTATH
Delay from ON High to PBSTAT High
Power-On (PON) State, After PBSTAT Has
Been Low for at Least tPBSTAT_PW
900
μs
tON_PUP
Minimum ON Low Time to Enter
Power-Up (PUP1 or PUP2) State
Starting in the Hard Reset (HR) or Power-Off
(POFF) States
400
ms
tON_HR
Minimum ON Low Time to Hard Reset
ON Brought Low During the Power-On (PON)
or Power-Up (PUP1, PUP2) States
45
6
s
tPBSTAT_PW
PBSTAT Minimum Pulse Width
Power-On (PON) or Power-Up (PUP1, PUP2)
States
40
50
ms
tEXTPWR
Power-Up from USB Present to Power-Up
(PUP1 or PUP2) State
Starting in the Hard Reset (HR) or Power-Off
(POFF) States
100
ms
tPON_UP
Any PWR_ONx High to Power-On State
Starting With Both PWR_ONx Low in the
Power-Off (POFF) State
900
μs
tPON_DIS
PWR_ONx Low to Buckx Disabled
1
μs
tPUP
Power-Up (PUP1 or PUP2) State Duration
5
s
tPDN
Power-Down (PDN1 or PDN2) State
Duration
1s
tPGOODH
Bucks in Regulation to PGOOD High
All Enabled Bucks Within PGOOD Threshold
Voltage
230
ms
tPGOODL
Bucks Disabled to PGOOD Low
All Bucks Disabled
100
μs
PUSHBUTTON INTERFACE ELECTRICAL CHARACTERISTICS
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.
Note 2. The LTC3554 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.
The
l denotes specications that apply over the full operating temperature range, otherwise specications are at TA = 25°C.
VBAT = 3.8V unless otherwise noted.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3554EPDTRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators
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LTC3554EUD-1#PBF 功能描述:IC USB POWER MANAGER 20QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:PowerPath™ 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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