參數(shù)資料
型號: MAX1706C
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轉換器與線性穩(wěn)壓器
文件頁數(shù): 7/20頁
文件大?。?/td> 215K
代理商: MAX1706C
M
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
_______________________________________________________________________________________
7
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2, T
A
= +25°C, unless otherwise noted.)
60
0
100
10k
100k
1M
1k
10M
LINEAR-REGULATOR POWER-SUPPLY
REJECTION RATIOvs. FREQUENCY
10
20
M
FREQUENCY (Hz)
P
30
50
40
V
OUT
= 4V TO5V
V
LDO
= 3.3V
I
= 200mA
C5 = 0.33
μ
F
100
0
1
100
LOAD CURRENT (mA)
50
200
250
150
300
LINEAR-REGULATOR
REGION OF STABLE C6
ESR
vs. LOAD CURRENT
0.1
M
C
)
1
10
STABLE REGION
C2 = 22pF (FEED FORWARD)
UNCOMPENSATED
C6 = 22
μ
F
1k
10k
100k
1M
10M
MAX1705
NOISE SPECTRUM AT POUT
(V
OUT
= 4.5V, V
IN
= 1.2V, 200mA LOAD)
0V
M
FREQUENCY (Hz)
N
R
d
1k
10k
100k
1M
10M
MAX1705
LINEAR-REGULATOR OUTPUT NOISE SPECTRUM
(V
LDO
= 3.3V, V
OUT
= 4.5V, V
IN
= 1.2V, I
LDO
= 200mA)
0V
M
FREQUENCY (Hz)
N
μ
V
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