參數(shù)資料
型號: MAX848-MAX849
廠商: Maxim Integrated Products, Inc.
元件分類: DC/DC變換器
英文描述: 1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
中文描述: 1節(jié)至3節(jié)電池,大功率,低噪聲,升壓型DC - DC轉(zhuǎn)換器
文件頁數(shù): 6/16頁
文件大?。?/td> 166K
代理商: MAX848-MAX849
M
1-Cell to 3-Cell, High-Power,
Low-Noise, S tep-Up DC-DC Converters
6
_______________________________________________________________________________________
Typic al Operating Charac teristic s (c ontinued)
(T
A
= +25°C, unless otherwise noted.)
V
IN
= 1.1V, I
OUT
= 200mA, V
OUT
= 3.3V
A = LX VOLTAGE, 2V/div
B = INDUCTOR CURRENT, 0.5A/div
C = V
OUT
RIPPLE, 50mV/div, AC COUPLED
HEAVY-LOAD SWITCHING WAVEFORMS
(V
OUT
= 3.3V)
A
B
C
0A
0V
V
OUT
1
μ
s/div
MAX848/9 TOC-10
V
IN
= 1.1V, V
OUT
= 3.3V
A = LOAD CURRENT, 0mA TO200mA, 0.2A/div
B = V
OUT
RIPPLE, 50mV/div, AC COUPLED
LOAD-TRANSIENT RESPONSE
A
B
0A
200mA
2ms/div
MAX848/9 TOC-12
I
OUT
= 0mA, V
OUT
= 3.3V
A = V
IN
, 1.1V TO2.1V, 1V/div
B = V
OUT
RIPPLE, 50mV/div, AC COUPLED
LINE-TRANSIENT RESPONSE
A
B
0V
5ms/div
MAX848/9 TOC-11
A = V
ON1
, 2V/div
B = V
OUT
, 1V/div
C = INPUT CURRENT, 0.2A/div
POWER-ON DELAY
(PFM MODE)
A
B
C
0mA
3.3V
5ms/div
MAX848/9 TOC-13
相關(guān)PDF資料
PDF描述
MAX849ESE 1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
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MAX849 Low-Noise, Step-Up DC-DC Converters(高功率,低噪,帶0.5AMOSFET功率開關(guān),步升DC-DC變換器)
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