參數(shù)資料
型號: AX1928EUB25
英文描述: SMPS Controller
中文描述: 開關(guān)電源控制器
文件頁數(shù): 6/12頁
文件大?。?/td> 303K
代理商: AX1928EUB25
M
Low-Output-Voltage, 800mA, PWM Step-Down
DC-DC Converters
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuits of Figure 3 and 4, T
A
= +25
°
C, unless otherwise noted.)
M
INPUT VOLTAGE (V)
M
5.1
4.6
4.1
3.6
3.1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
V
OUT
= 1.8V
V
OUT
= 2.5V
V
OUT
= 1V
0
2.6
5.6
MAXIMUM LOAD CURRENT
vs. INPUT VOLTAGE
STARTUP WAVEFORM
MAX1927 toc11
1ms/div
5V/div
1V/div
200mA/div
SHDN
V
OUT
I
IN
POK WAVEFORM
MAX1927 toc12
20ms/div
5V/div
2V/div
2V/div
SHDN
V
OUT
POK
HEAVY-LOAD SWITCHING WAVEFORMS
400ns/div
10mV/div
200mA/div
5V/div
V
OUT
(AC-COUPLED)
I
L
LX
LIGHT-LOAD SWITCHING WAVEFORMS
2ms/div
10mV/div
200mA/div
5V/div
V
OUT
(AC-COUPLED)
I
L
LX
LOAD TRANSIENT
MAX1927 toc15
100
μ
s/div
100mV/div
250mA
900mA
500mA/div
V
OUT
(AC-COUPLED)
I
LOAD
LINE TRANSIENT
MAX1927 toc16
1ms/div
10mV/div
2V/div
4.2V
3V
V
OUT
(AC-COUPLED)
V
IN
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