參數(shù)資料
型號(hào)： LTC3553EUD#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封裝： 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件頁數(shù)： 36/36頁
文件大?。?/td> 518K
代理商： LTC3553EUD#TRPBF
LTC3553
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3553fa
TYPICAL PERFORMANCE CHARACTERISTICS
Buck Regulator Burst Mode
Operation BVIN Supply Current
Buck Regulator Standby Mode
BVIN Supply Current
Buck Regulator 3.3V Output
Efciency vs Load
Buck Switching Regulator 1.8V
Output Efciency vs Load
TA = 25°C, unless otherwise specied.
Buck Switching Regulator 2.5V
Output Efciency vs Load
Buck Regulator 1.2V Output
Efciency vs ILOAD
BUCK LOAD (mA)
0.01
0.1
0
EFFICIENCY
(%)
70
100
1
10
100
1000
3553 G19
60
50
40
30
20
10
80
90
STBY = L
3.8V
5V
BUCK LOAD (mA)
0.01
0.1
0
EFFICIENCY
(%)
70
100
1
10
100
1000
3553 G22
60
50
40
30
20
10
80
90
STBY = L
3.8V
5V
BVIN SUPPLY VOLTAGE (V)
2.5
3
4
4.5
5.5
5
3.5
0
BVIN
SUPPL
Y
CURRENT
(μA)
10
15
25
35
30
20
3553 G23
5
NO LOAD
STBY = L
–45°C
25°C
90°C
BVIN SUPPLY VOLTAGE (V)
2.5
3
4
4.5
5.5
5
3.5
0
BVIN
SUPPL
Y
CURRENT
(μA)
1.0
1.5
2.5
3.0
2.0
3553 G24
0.5
NO LOAD
STBY = H
–45°C
25°C
90°C
BUCK LOAD (mA)
EFFICIENCY
(%)
3553 G20
0.01
0.1
100
1000
10
1
0
20
30
80
40
50
60
90
100
70
10
STBY = L
3.8V
5V
BUCK LOAD (mA)
EFFICIENCY
(%)
3553 G21
0.01
0.1
100
1000
10
1
0
20
30
80
40
50
60
90
100
70
10
STBY = L
3.8V
5V
Buck Regulator Short-Circuit
Current vs Temperature
TEMPERATURE (°C)
–75 –50 –25
25
50
75 100
150
125
0
400
SHOR
T
CIRCUIT
CURRENT
(mA)
440
460
500
480
3553 G25
420
STBY = L
Buck Regulator Output Transient
(STBY = High)
Buck Regulator Output Transient
(STBY = Low)
VBUS = 0V
VBAT = 3.8V
STBY = HIGH
VOUT
50mV/DIV
(AC)
BUCK (1.2V)
10mV/DIV
(AC)
5mA
100μA
IBUCK
3553 G26
50μs/DIV
Burst Mode is a registered trademark of Linear Technology Corporation.
VBUS = 0V
VBAT = 3.8V
STBY = LOW
BUCK (1.2V)
50mV/DIV
(AC)
VOUT
50mV/DIV
(AC)
100mA
1mA
IBUCK
3553 G27
100μs/DIV
相關(guān)PDF資料
PDF描述
LTC3553EUD#PBF 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
LTC3554EPD#TRPB 0.5 A BATTERY CHARGE CONTROLLER, 1295 kHz SWITCHING FREQ-MAX, PQCC20
LTC3560IS6#TRPBF 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
LTC3563EDC 1.75 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
LTC3568EDD#TR 4 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
LTC3554 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
LTC3554EPD 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
LTC3554EPD#PBF 功能描述:IC USB POWER MANAGER 20-UTQFN 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
LTC3554EPD#TRPBF 功能描述:IC USB POWER MANAGER 20-UTQFN RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件
LTC3554EPDPBF 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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