參數(shù)資料
型號(hào)： LTC4425IDD#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO12
封裝： 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, DFN-12
文件頁數(shù)： 17/20頁
文件大小： 239K
代理商： LTC4425IDD#PBF
LTC4425
6
4425f
TYPICAL PERFORMANCE CHARACTERISTICS
Charge Current vs Voltage Across
Top Capacitor (VOUT – VMID)
Charge Current vs Voltage Across
Bottom Capacitor (VMID)
Output Voltage Transient Step
Response Waveform (LDO Mode)
Output Voltage Waveform When
VMID is Shorted to GND
Output Voltage Waveform When
VMID is Shorted to VOUT
PROG Pin Soft-Start Waveform
(Normal Mode)
Logic Inputs (EN and SEL)
Threshold Voltage vs Temperature
Open Drain Outputs
(PFI_RET and PFO)
FET On-Resistance vs Temperature
PROG Pin Short Circuit Charge
Current vs Temperature
TEMPERATURE (°C)
–45
0
VOL
TAGE
(V)
0.4
0.5
0.6
0.7
0.8
0.3
0.1
0.2
0.9
–25
55
75
90
–5
15
35
4425 G10
VIN = 3.8V
TEMPERATURE (°C)
–45
0
RESIST
ANCE
(Ω)
8
10
12
14
16
6
2
4
18
–25
55
75
–5
15
35
4425 G11
VIN = 3.8V
90
VOUT TO VMID DIFFERENTIAL (V)
1.6
0
CHARGE
CURRENT
(mA)
2000
2500
3000
1500
500
1000
3500
1.7
2.1 2.2 2.3 2.4 2.5
1.8 1.9
2
4425 G12
PROG PIN GROUNDED
RPROG = 1k
SEL = 0
VMID (V)
1.6
0
CHARGE
CURRENT
(mA)
2000
2500
3000
1500
500
1000
3500
1.7
2.1 2.2 2.3 2.4 2.5
1.8 1.9
2
4425 G13
SEL = 0
PROG PIN GROUNDED
RPROG = 1k
TEMPERATURE (°C)
–45
–25
–5
15
35
55
75
2.70
CHARGE
CURRENT
(A) 2.90
2.95
2.85
2.80
2.75
3.00
4425 G011a
VIN = 3.8V
VOUT = 3.3V
PROG PIN SHORTED TO GND
90
100ms/DIV
SUPERCAP VALUE = 0.55F
VOUT (DC) = 2.45V
4425 G16
VIN = 3.8V
RPROG = 1k
SEL = 0
VOUT
20mV/DIV
AC-COUPLED
250ms/DIV
SUPERCAP VALUE = 0.55F
VOUT (DC) = 2.45V
4425 G15
VIN = 3.8V
RPROG = 1k
VIN = 3.8V
RPROG = 1k
SEL = 0
VOUT
20mV/DIV
AC-COUPLED
500μs/DIV
4425 G14
VOUT
20mV/DIV
(AC-COUPLED)
VIN = 3.8V
RPROG = 500Ω
SUPERCAP VALUE = 0.55F
VOUT (DC) = 3.3V
ILOAD
800mA
100mA
500μs/DIV
4425 G18
VOUT
(1V/DIV)
VIN = 5V
RPROG = 1k
EN
TA = 25°C, unless otherwise noted.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4425IMSE#PBF 功能描述:IC SUPERCAP CHARGER 12-MSOP 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
LTC4425IMSE#TRPBF 功能描述:IC SUPERCAP CHRGR DIO/MON 12MSOP 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
LTC4440AHMS8E-5#PBF 制造商:Linear Technology 功能描述:IC HIGH-SIDE DVR HS HV 8-MSOP 制造商:Linear Technology 功能描述:IC, HIGH SIDE GATE DRIVER, MOSFET, MSOP8 制造商:Linear Technology 功能描述:DRIVER, MOSFET, 1.1A, MSOP-8, Device Type:MOSFET, Module Configuration:High Side, Peak Output Current:1.1A, Supply Voltage Min:3.2V, Supply Voltage Max:80V, Driver Case Style:MSOP, No. of Pins:8, Input Delay:35ns, Output Delay:33ns , RoHS Compliant: Yes
LTC4440AHMS8E-5#TRPBF 制造商:Linear Technology 功能描述:DRIVER, MOSFET, 1.1A, MSOP-8, Device Type:MOSFET, Module Configuration:High Side, Peak Output Current:1.1A, Supply Voltage Min:3.2V, Supply Voltage Max:80V, Driver Case Style:MSOP, No. of Pins:8, Input Delay:35ns, Output Delay:33ns , RoHS Compliant: Yes
LTC4440AIMS8E-5#PBF 制造商:Linear Technology 功能描述:IC HIGH-SIDE DVR HS HV 8-MSOP 制造商:Linear Technology 功能描述:IC, HIGH SIDE GATE DRIVER, MOSFET, MSOP8 制造商:Linear Technology 功能描述:DRIVER, MOSFET, 1.1A, MSOP-8, Device Type:MOSFET, Module Configuration:High Side, Peak Output Current:1.1A, Supply Voltage Min:3.2V, Supply Voltage Max:80V, Driver Case Style:MSOP, No. of Pins:8, Input Delay:35ns, Output Delay:33ns , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-Power Controller, High & Low-Side Driver
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