參數(shù)資料
型號: MAX1964
廠商: Maxim Integrated Products, Inc.
英文描述: Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
中文描述: 三/五路電源控制器,提供跟蹤/排序功能
文件頁數(shù): 6/30頁
文件大小: 475K
代理商: MAX1964
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 12V, V
OUT
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
1.0
0.5
0
1.5
2.0
OUPUT VOLTAGE vs. LOAD CURRENT
(ADJUSTABLE MODE)
M
LOAD CURRENT (A)
O
4.97
4.99
5.01
4.95
5.03
5.05
4.95
4.97
4.99
5.01
5.03
5.05
0
10
5
15
20
25
30
INTERNAL 5V LINEAR REGULATOR
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
V
LOAD TRANSIENT
(STEP-DOWN CONVERTER)
5.0V
0
1A
A. V
OUT
= 5V, 100mV/div
B. I
OUT
= 10mA TO 1A, 500mA/div
V
IN
= 12V
B
A
40
μ
s/div
SWITCHING WAVEFORMS
(STEP-DOWN CONVERTER)
5.00V
A. V
OUT
= 5.0V, 50mV/div
B. V
LX,
10V/div
C. INDUCTOR CURRENT, 500mA/div
V
IN
= 12V, R
OUT1
= 5V
B
A
40
μ
s/div
C
4.95V
12V
0
1A
0.5A
SOFT-START
(STEP-DOWN CONVERTER)
5V
A. V
L
= 5V, 5V/div
B. V
OUT1
= 5V (ADJ),2V/div
C. INDUCTOR CURRENT, 1A/div
V
IN
= STEPPED FROM 0 TO 12V, R
OUT1
= 10
B
A
1ms/div
C
0
5V
0
1A
0
MAX1964 STARTUP WAVEFORM
(VOLTAGE SEQUENCING)
MAX1964/65 toc09
5V
A. V
OUT1
= 5V (ADJ), 2V/div
B. V
OUT2
= 1.8V, 1V/div
C. V
OUT3
= 3.3V, 2V/div
D. V
, 5V/div
V
IN
= STEPPED FROM 0 TO 12V, R
OUT1
= 5
B
A
200
μ
s/div
C
1.8V
3.3V
D
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