參數(shù)資料
型號: MAX15005
廠商: Maxim Integrated Products, Inc.
英文描述: 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
中文描述: 4.5V至40V輸入、用于汽車電子的反激/boost/SEPIC電源控制器
文件頁數(shù): 7/29頁
文件大小: 547K
代理商: MAX15005
M
OVI TO OUT DELAY THROUGH
OVERVOLTAGE COMPARATOR
1
μ
s/div
V
2V/div
V
OVI
500mV/div
V
OUT
V
OVI
DRIVER OUTPUT PEAK SOURCE
AND SINK CURRENT
MAX15004 toc17
400ns/div
V
OUT
5V/div
I
1A/div
C
OUT
= 10nF
POWER-UP SEQUENCE THROUGH V
MAX15004 toc18
2ms/div
V
IN
10V/div
V
CC
5V/div
REG5
5V/div
V
OUT
5V/div
V
ON/OFF
= 5V
4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
_______________________________________________________________________________________
7
MAX15005 MAXIMUM DUTY CYCLE
vs. OUTPUT FREQUENCY (f
OUT
)
OUTPUT FREQUENCY (kHz)
M
M
50
55
60
65
70
75
80
85
90
95
100
10
100
1000
CT = 220pF
CT = 1500pF
CT = 1000pF
CT = 560pF
CT = 2200pF
CT = 3300pF
CT = 100pF
MAX15004 MAXIMUM DUTY CYCLE
vs. TEMPERATURE
TEMPERATURE (
°
C)
M
M
-40
-15
10
35
60
85
110
135
45
46
47
48
49
50
51
52
53
54
55
f
OUT
= 75kHz
MAX15005 MAXIMUM DUTY CYCLE
vs. TEMPERATURE
TEMPERATURE (
°
C)
M
M
-40
-15
10
35
60
85
110
135
65
67
69
71
73
75
77
79
81
83
85
CT = 560pF
RT = 13.7k
f
OSC
= f
OUT
= 150kHz
MAXIMUM DUTY CYCLE
vs. f
SYNC
/f
OSC
RATIO
f
SYNC
/f
OSC
RATIO
M
M
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
50
55
60
65
70
75
80
C
RTCT
= 220pF
R
RTCT
= 10k
f
OSC
= f
OUT
= 418kHz
CT = 560pF
RT = 10k
f
OSC
= f
OUT
= 180kHz
MAX15005
ERROR AMPLIFIER OPEN-LOOP GAIN
AND PHASE vs. FREQUENCY
FREQUENCY (Hz)
G
MAX15004 toc14
P
60
100
140
180
220
260
300
340
-10
0
10
20
30
40
50
60
70
80
90
100
110
0.1
1
10
100
1k
10k 100k 1M 10M
GAIN
PHASE
CS-TO-OUT DELAY vs. TEMPERATURE
TEMPERATURE (
°
C)
C
MAX15004 toc15
10
0
20
30
40
50
60
70
80
90
100
-40
-15
10
35
60
85
110
135
V
CS
OVERDRIVE = 190mV
V
CS
OVERDRIVE = 50mV
Typical Operating Characteristics (continued)
(VIN= 14V, CIN= 0.1μF, CVCC= 0.1μF // 1μF, CREG5= 1μF, VON/
OFF
= 5V, CSS= 0.01μF, CSLOPE= 100pF, RT = 13.7k
,
CT = 560pF. TA = +25°C, unless otherwise noted.)
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