參數(shù)資料
型號: MAX848ESE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: 1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters
中文描述: 1.1 A SWITCHING REGULATOR, 340 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.150 INCH, MS-012AC, SOIC-16
文件頁數(shù): 7/16頁
文件大?。?/td> 166K
代理商: MAX848ESE
M
1-Cell to 3-Cell, High-Power,
Low-Noise, S tep-Up DC-DC Converters
_______________________________________________________________________________________
7
Typic al Operating Charac teristic s (c ontinued)
(T
A
= +25°C, unless otherwise noted.)
V
IN
= 3.6V, V
OUT
= 5V, C
OUT
= 440
μ
F
A = V
OUT
RIPPLE, 200mV/div, AC COUPLED
B = LOAD CURRENT, 100mA TO1A, 0.5A/div,
PULSE WIDTH = 577
μ
s
MAX849
GSM LOAD-TRANSIENT RESPONSE
A
5V
0A
B
1ms/div
MAX848/9 TOC-14
V
IN
= 1.2V, V
OUT
= 3.3V, C
OUT
= 440
μ
F
A = V
OUT
RIPPLE, 200mV/div, AC COUPLED
B = LOAD CURRENT, 50mA TO400mA, 0.2A/div,
PULSE WIDTH = 416
μ
s
MAX849
DECT LOAD-TRANSIENT RESPONSE
A
B
3.3V
0A
2ms/div
MAX848/9 TOC-15
2.7
0.1k
1k
10k
100k
1M
MAX849 NOISE SPECTRUM
(V
OUT
= 3.3V, V
IN
= 1.2V, R
LOAD
= 50
)
0
M
FREQUENCY (Hz)
N
R
)
380
280
-40
100
MAX849 INTERNAL OSCILLATOR
FREQUENCY vs. TEMPERATURE
360
M
TEMPERATURE (°C)
I
20
320
300
-20
0
60
340
40
80
V
OUT
= 5V
V
OUT
= 3.3V
1.2
2.5
3.5
OUTPUT VOLTAGE (V)
3.0
4.0
5.5
5.0
MAX849 PEAK INDUCTOR CURRENT
vs. OUTPUT VOLTAGE
1.4
1.8
2.0
M
P
4.5
1.6
1.3
1.7
1.5
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