參數(shù)資料
型號： MAX1765
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號處理
英文描述： Replaced by TMS320C6410 : Digital Signal Processors 68-PLCC -40 to 85
中文描述： 800mA、低噪聲、升壓型DC-DC轉(zhuǎn)換器，帶有500mA線性穩(wěn)壓器
文件頁數(shù)： 8/19頁
文件大?。?/td> 559K
代理商： MAX1765
M
800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
8
_______________________________________________________________________________________
LOAD TRANSIENT RESPONSE
A: I
OUT
, 500mA/div
B: V
OUT
,100mV/div
A
B
50
μ
s/div
V
IN
= +2.4V, V
OUT
= +3.3V, I
OUT
= 0 TO 500mA
Typical Operating Characteristics (continued)
(T
A
= +25
°
C, unless otherwise noted.)
LDO PSRR vs. FREQUENCY
(100Hz TO 1MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
0.1
10
100
1
1000
M
FREQUENCY (kHz)
L
16
0.1
1
10
BOOST FOLLOWED BY LDO
OUTPUT NOISE SPECTRUM
0
M
FREQUENCY (MHz)
N
R
)
4
2
8
10
6
12
14
V
IN
= +2.4V
V
OUT
= +3.3V
LINE TRANSIENT RESPONSE
(DC-DC)
MAX1765 toc12
100
μ
s/div
A: V
IN
, 500mV/div
B: V
OUT
, 1mV/div, AC-COUPLED
TURN-ON WAVEFORMS
NO SOFT-START COMPONENTS
A
B
V
OUT
= +3.3V, I = 0mA
V
IN
= +1.4V TO +2.4V
LINE TRANSIENT RESPONSE
(LINEAR)
MAX1765 toc13
A: V
IN
, 2V/div
B: V
OUT
, 5mV/div, AC-COUPLED
A
B
I = 0mA, V
IN
= +3V TO +5V, V
OUT
= +3.3V
A: 0NA, 5V/div
B: V
, 2V/div
C: INPUT CURRENT, 1A/div
A
B
C
SOFT-START WAVEFORMS
(R
SS
= 500k
, C
SS
= 0.1
μ
MAX1765 toc15b
A: 0NA, 5V/div
B: INPUT CURRENT, 100mA/div
C: V
OUT
, 1V/div
A
B
C
2.5ms/div
HEAVY-LOAD SWITCHING WAVEFORMS
(I
OUT
= 650mA, V
IN
= +2.4V, V
OUT
= 3.3V)
MAX1765 toc16
A: LX, 5V/div
B: INDUCTOR CURRENT, 200mA/div
C: OUTPUT RIPPLE, 50mV/div, AC-COUPLED
A
B
C
500ns/div
相關(guān)PDF資料
PDF描述
MAX1765EEE 800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator
MAX1765EUE 800mA, Low-Noise, Step-Up DC-DC Converter with 500mA Linear Regulator
MAX1812 Dual USB Switch with Fault Blanking
MAX1812EUB Dual USB Switch with Fault Blanking
MAX1817 Replaced by TMS320VC5506 : Digital Signal Processors 132-BQFP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1765EEE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1765EEE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1765EEE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1765EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
MAX1765EUE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 800mA Step-Up w/500mA Linear Reg RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(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
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