參數(shù)資料
型號： MAX887
廠商： Maxim Integrated Products, Inc.
元件分類： DC/DC變換器
英文描述： 100% Duty Cycle, Low-Noise, Step-Down, PWM DC-DC Converter
中文描述： 100%占空比、低噪聲、降壓型、PWM DC-DC轉(zhuǎn)換器
文件頁數(shù)： 6/12頁
文件大小： 146K
代理商： MAX887
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
MAX8873REUK 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
MAX8873REUK+T 功能描述:低壓差穩(wěn)壓器 - LDO 120mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8873REUK-T 功能描述:低壓差穩(wěn)壓器 - LDO 120mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
MAX8873SEUK 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product 制造商:Rochester Electronics LLC 功能描述:
MAX8873SEUK+ 制造商:Maxim Integrated Products 功能描述:LDO REG 1.25V TO 6.5V/2.84V 0.12A 5PIN SOT-23 - Rail/Tube
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