參數(shù)資料
型號: MAX1965
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): 7/30頁
文件大?。?/td> 475K
代理商: MAX1965
M
Tracking/Sequencing Triple/Quintuple
Power-Supply Controllers
_______________________________________________________________________________________
7
2.42
2.44
2.46
2.48
2.50
2
4
3
5
6
7
8
POSITIVE LINEAR REGULATOR
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
(Q
LDO
= 2N3905)
M
SUPPLY VOLTAGE (V)
O
I
OUT2
= 1mA
I
OUT2
= 100mA
80
70
60
50
40
30
20
10
0
0.1
10
100
1
1000
POSITIVE LINEAR REGULATOR
POWER-SUPPLY REJECTION RATIO
(Q
LDO
= 2N3905)
M
FREQUENCY (kHz)
P
I
OUT2
= 50mA
POSITIVE LINEAR REGULATOR
LOAD TRANSIENT
(Q
LDO
= 2N3905)
MAX1964/65 toc15
100mA
2.457V
2.467V
A. I
OUTZ
= 1mA TO 100mA, 50mA/div
B. V
OUTZ
= 2.5V, 5mV/div
C
LDO(POS)
= 10
μ
F CERAMIC, V
SUP(POS)
= 3.3V
CIRCUIT OF FIGURE 1
0
B
A
10
μ
s/div
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 12V, V
OUT
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
MAX1965 STARTUP WAVEFORM
(VOLTAGE TRACKING)
MAX1964/65 toc10
4V
A. V
OUT4
= 5.0V, 2V/div
B. V
OUT1
= 3.3V, 2V/div
C. V
OUT2
= 2.5V, 2V/div
V
IN
= STEPPED FROM 0 TO 12V,
R
= 6.6
CIRCUIT OF FIGURE 6
D. V
OUT3
= 1.8V/div
E. V
OUT5
= -5.0V, 2V/div
F. V
POK
, 5V/div
B
C
D
A
400
μ
s/div
2V
0
E
F
-2V
-4V
5V
0
0
5
10
15
20
25
30
35
40
0
2
4
6
8
10
POSITIVE LINEAR REGULATOR BASE-
DRIVE CURRENT vs. BASE-DRIVE VOLTAGE
M
BASE VOLTAGE (V)
B
V
FB_
= 1.0V
V
FB_
= 0.96V
REF
B2, B3 AND B4
(MAX1965) ONLY
2.50
0.01
1
0.1
100
POSITIVE LINEAR REGULATOR
OUTPUT VOLTAGE vs. LOAD CURRENT
(Q
LDO
= 2N3905)
2.42
2.44
2.46
2.48
M
LOAD CURRENT (mA)
O
10
1000
V
SUP(POS)
= 5.0V
V
SUP(POS)
= 3.3V
相關(guān)PDF資料
PDF描述
MAX1964TEEE Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1965TEEP Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
MAX1966 Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1967EUB Low-Cost Voltage-Mode PWM Step-Down Controllers
MAX1966-MAX1967 Low-Cost Voltage-Mode PWM Step-Down Controllers
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