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MAX15004 Datasheet(PDF) 7 Page - Maxim Integrated Products

Part No. MAX15004
Description  4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
Download  27 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX15004 Datasheet(HTML) 7 Page - Maxim Integrated Products

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OVI TO OUT DELAY THROUGH
OVERVOLTAGE COMPARATOR
MAX15004 toc16
1
μs/div
VOUT
2V/div
VOVI
500mV/div
VOUT
VOVI
DRIVER OUTPUT PEAK SOURCE
AND SINK CURRENT
MAX15004 toc17
400ns/div
VOUT
5V/div
IOUT
1A/div
COUT = 10nF
POWER-UP SEQUENCE THROUGH VIN
MAX15004 toc18
2ms/div
VIN
10V/div
VCC
5V/div
REG5
5V/div
VOUT
5V/div
VON/OFF = 5V
4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
_______________________________________________________________________________________
7
MAX15005 MAXIMUM DUTY CYCLE
vs. OUTPUT FREQUENCY (fOUT)
OUTPUT FREQUENCY (kHz)
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)
-40
-15
10
35
60
85
110
135
45
46
47
48
49
50
51
52
53
54
55
fOUT = 75kHz
MAX15005 MAXIMUM DUTY CYCLE
vs. TEMPERATURE
TEMPERATURE (
°C)
-40
-15
10
35
60
85
110
135
65
67
69
71
73
75
77
79
81
83
85
CT = 560pF
RT = 13.7k
Ω
fOSC = fOUT = 150kHz
MAXIMUM DUTY CYCLE
vs. fSYNC/fOSC RATIO
fSYNC/fOSC RATIO
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
CRTCT = 220pF
RRTCT = 10k
Ω
fOSC = fOUT = 418kHz
CT = 560pF
RT = 10k
Ω
fOSC = fOUT = 180kHz
MAX15005
ERROR AMPLIFIER OPEN-LOOP GAIN
AND PHASE vs. FREQUENCY
FREQUENCY (Hz)
MAX15004 toc14
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)
MAX15004 toc15
10
0
20
30
40
50
60
70
80
90
100
-40
-15
10
35
60
85
110
135
VCS OVERDRIVE = 190mV
VCS 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
Ω,
CT = 560pF. TA = +25°C, unless otherwise noted.)


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