參數(shù)資料
型號(hào)： MAX887HESA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： 100% Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter
中文描述： 1.5 A SWITCHING REGULATOR, 350 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 0.150 INCH, SOP-8
文件頁(yè)數(shù)： 6/12頁(yè)
文件大?。?/td> 146K
代理商： MAX887HESA
M
100% Duty Cyc le, Low-Noise,
S tep-Down, PWM DC-DC Converter
6
_______________________________________________________________________________________
_____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
40
μ
s/div
LOAD-TRANSIENT RESPONSE
A
B
C
V
IN
= 5V, V
OUT
= 3.3V,
LOAD = 0mA TO500mA, PWM MODE
A: LX, 5V/div
B: V
OUT
, 50mV/div, AC COUPLED
C: LOAD CURRENT, 500mA/div
M
200
μ
s/div
LINE-TRANSIENT RESPONSE
A
B
V
IN
= 5V TO11V, V
OUT
= 3.3V,
LOAD = 500mA, PWM MODE
A: V
IN
, 5V/div
B: V
OUT
, 20mV/div, AC COUPLED
M
200
μ
s/div
RECOVERY FROM 100% DUTY CYCLE
(DROP OUT)
A
B
C
V
IN
= 3.3V TO11V, V
OUT
= 3.3V,
LOAD = 500mA, PWM MODE
A: V
IN
, 5V/div
B: V
OUT
, 50mV/div, AC COUPLED
C: LX, 10V/div
M
500
μ
s/div
SHUTDOWN AND STARTUP RESPONSE
A
B
C
D
V
IN
= 5V, V
OUT
= 3.3V,
LOAD = 100mA, PWM MODE
A: SHDN, 5V/div
B: V
OUT
, 2V/div, AC COUPLED
C: LX, 5V/div
D: INDUCTOR CURRENT, 500mA/div
M
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX887HESA+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 100% Duty Step-Down DC/DC Converter 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
MAX887HESA+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 100% Duty Step-Down DC/DC Converter 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
MAX887HESA-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 100% Duty Step-Down DC/DC Converter 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
MAX8880ETT 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX8880ETT+ 制造商:Maxim Integrated Products 功能描述:LDO REG 1.25V TO 5V 0.4A 6TDFN EP - Rail/Tube
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