參數(shù)資料
型號(hào)： MAX1705C
廠商： Maxim Integrated Products, Inc.
元件分類： DC/DC變換器
英文描述： 1- to 3-Cell, High-Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
中文描述： 1 - 3節(jié)電池，大電流，低噪聲，升壓型DC - DC轉(zhuǎn)換器與線性穩(wěn)壓器
文件頁(yè)數(shù)： 8/20頁(yè)
文件大?。?/td> 215K
代理商： MAX1705C
M
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
8
_______________________________________________________________________________________
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
200
μ
s/div
MAX1705
LINE-TRANSIENT RESPONSE
M
I
OUT
= 0mA, V
OUT
= 3.3V
A = V
IN
, 1.5V TO2.0V, 200mV/div
B = V
OUT,
10mV/div, 3.3V DC OFFSET
A
B
200
μ
s/div
MAX1705
POWER-ON DELAY
(PWM MODE)
M
V
= 1.2V, LOAD = 1k
A = ONA, 2V/div
B = V
LDO
, 2V/div
C = V
OUT
, 2V/div
D = INDUCTOR CURRENT, 500mA/div
A
C
D
3V
2.5V
3.3V
0mA
B
1
μ
s/div
MAX1705
PWM SWITCHING WAVEFORMS
M
V
IN
= 1.2V, V
OUT
= 4.5V, V
LDO
= 3.3V, I
LDO
= 200mA
A = INDUCTOR CURRENT, 500mA/div
B = LX VOLTAGE, 5V/div
C = V
OUT
RIPPLE, 50m/div AC COUPLED
D = V
RIPPLE, 5m/div AC COUPLED
C5 = 0.33
μ
F
A
B
D
C
0V
1A
V
OUT
V
LDO
2
μ
s/div
MAX1705
PFM SWITCHING WAVEFORMS
M
V
= 1.2V, V
= 4.5V, V
= 3.3V, I
LDO
= 40mA
A = INDUCTOR CURRENT, 500mA/div
B = LX VOLTAGE, 5V/div
C = V
OUT
RIPPLE, 50mV/div AC COUPLED
D = V
RIPPLE, 5mV/div AC COUPLED
C5 = 0.33
μ
F
A
C
D
0mA
0V
V
OUT
V
LDO
B
1ms/div
MAX1705
LINEAR-REGULATOR
OUTPUT NOISE
M
V
LDO
IS AC COUPLED, 1mv/div
I
LDO
= 200mA
C5 = 0.33
μ
F
V
LDO
DC TO500kHz
200
μ
s/div
MAX1705
LOAD-TRANSIENT RESPONSE
M
V
= 1.2V, V
= 3.3V
A = V
OUT
, 50mV/div, 3.3V DC OFFSET
B = I
OUT
, 0mA TO200mA, 200mA/div
A
B
相關(guān)PDF資料
PDF描述
MAX1705D 1- to 3-Cell, High-Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1705EEE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1705EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1705EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1705EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1705ESE+ 制造商:Maxim Integrated Products 功能描述:1 TO 3-CELL HIGH-CURRENT LOW-NOIS - Rail/Tube
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