參數(shù)資料
型號(hào): MAX772
廠商: Maxim Integrated Products, Inc.
英文描述: 5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers
中文描述: 5V/12V/15V或可調(diào)、高效率、低IQ、升壓型DC-DC控制器
文件頁數(shù): 6/20頁
文件大小: 204K
代理商: MAX772
M
5V /12V /15V or Adjustable, High-Efficiency,
Low I
Q
, Step-Up DC-DC Controllers
6
_______________________________________________________________________________________
V
IN
= 2.9V, I
OUT
= 0.9A
A: EXT VOLTAGE, 5V/div
B: INDUCTOR CURRENT 1A/div
C: V
OUT
RIPPLE 100mV/div, AC-COUPLED
MAX770
HEAVY-LOAD SWITCHNG WAVEFORMS
20
μ
s/div
V
OUT
0
A
I
LIM
I
LIM
2
B
C
0
V+ = 3V, I
OUT
= 165mA
A: EXT VOLTAGE, 5V/div
B: INDUCTOR CURRENT, 1A/div
C: V
OUT
RIPPLE 100mV/div, AC-COUPLED
MAX770
LIGHT-LOAD SWITCHING WAVEFORMS
20
μ
s/div
0
B
A
C
ILIM
2
I
OUT
= 0.7A
A: V
IN
, 2.7V TO4.5V, 2V/div
B: V
OUT
RIPPLE, 100mV/div, AC-COUPLED
MAX770
LINE-TRANSIENT RESPONSE
A
B
4.5V
2.7V
0
2ms/div
V
IN
= 3V
A: LOAD CURRENT 0.5A/div (0A to 1A)
B: V
OUT
RIPPLE, 100mV/div, AC-COUPLED
MAX770
LOAD-TRANSIENT RESPONSE
2ms/div
A
B
0
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 2a, T
A
= +25°C, unless otherwise noted.)
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