參數(shù)資料
型號(hào): LTC3445
廠商: Linear Technology Corporation
英文描述: 12-Bit To 24-Bit Multiplexed D-Type Latch With 3-State Outputs 56-SSOP -40 to 85
中文描述: 降壓穩(wěn)壓器的I2C可控雙采用4mm?4mm QFN封裝LDO的
文件頁(yè)數(shù): 6/24頁(yè)
文件大?。?/td> 465K
代理商: LTC3445
6
LTC3445
3445fa
TYPICAL PERFOR U
Slew Rates DAC Min to DAC Max
Buck (DAC = Min)
100mA to 300mA Load Step
Buck Switching Frequency
vs V
CC1
Buck (DAC = Max)
100mA to 400mA Load Step
BUCK
VOLTAGE
50mV/DIV
LOAD
CURRENT
100mA/DIV
100
μ
s/DIV
3445 G13
20
μ
s/DIV
3445 G14
20
μ
s/DIV
3445 G15
Buck Switching Frequency
vs Temperature
Soft-Start (DAC = Min and Max)
4.7
Load
BUCK
OUTPUTS
500mV/DIV
200
μ
s/DIV
3445 G18
200mV/DIV
BUCK
VOLTAGE
50mV/DIV
LOAD
CURRENT
100mA/DIV
2.5
1.40
S
1.44
1.48
1.52
1.56
1.60
3.5
4.5
3445 G16
5.5
V
CC1
(V)
TEMPERATURE (
°
C)
–50
1.460
1.440
S
1.480
1.500
0
50
100
150
3445 G17
1.520
1.540
1.560
–25
25
75
125
V
CC
BATT vs V
CC1
PowerPath LDO Load Step
1mA to 5.5mA
V
CC1
RAMP (V)
0
0
V
1
2
3
V
CC1
4
3445 G19
5
6
V
TRACK
= V
BACKUP
= 2V
V
CC
BATT
V
CC
BATT vs V
TRACK
V
TRACK
RAMP (V)
0
0
V
1
2
3
4
3445 G20
5
6
V
CC1
= 5.5V
V
BACKUP
= 2V
V
BATT
0mA
5mA
V
TRACK
V
BATT
20mV/DIV
LOAD
CURRENT
10mA/DIV
200
μ
s/DIV
3445 G21
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC3445EUF 制造商:Linear Technology 功能描述:Conv DC-DC Triple Step Down 2.5V to 5.5V 24-Pin QFN EP
LTC3445EUF#PBF 功能描述:IC REG TRPL BUCK/LINEAR 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓(降壓)同步(3),線性(LDO)(2) 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無(wú) 帶監(jiān)控器:無(wú) 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LTC3445EUF#TR 制造商:Linear Technology 功能描述:Conv DC-DC Triple Step Down 2.5V to 5.5V 24-Pin QFN EP T/R
LTC3445EUF#TRPBF 功能描述:IC REG TRPL BUCK/LINEAR 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 + 切換式 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 拓?fù)?降壓(降壓)同步(3),線性(LDO)(2) 功能:任何功能 輸出數(shù):5 頻率 - 開關(guān):300kHz 電壓/電流 - 輸出 1:控制器 電壓/電流 - 輸出 2:控制器 電壓/電流 - 輸出 3:控制器 帶 LED 驅(qū)動(dòng)器:無(wú) 帶監(jiān)控器:無(wú) 帶序列發(fā)生器:是 電源電壓:5.6 V ~ 24 V 工作溫度:-40°C ~ 85°C 安裝類型:* 封裝/外殼:* 供應(yīng)商設(shè)備封裝:* 包裝:*
LTC3446 制造商:LINER 制造商全稱:Linear Technology 功能描述:Monolithic Buck Regulator with Dual VLDO Regulators