MAX15005 Maxim Integrated Products, MAX15005 Datasheet - Page 7

• Manufacturer Part Number: MAX15005
• Description: (MAX15004 / MAX15005) 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers
• Manufacturer: Maxim Integrated Products

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(V IN = 14V, C IN = 0.1μF, C VCC = 0.1μF // 1μF, C REG5 = 1μF, V ON/OFF = 5V, C SS = 0.01μF, C SLOPE = 100pF, RT = 13.7kΩ,
CT = 560pF. T A = +25°C, unless otherwise noted.)
100
Flyback/Boost/SEPIC Power-Supply Controllers
95
90
85
80
75
70
65
60
55
50
80
75
70
65
60
55
50
10
1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
CT = 3300pF
CT = 2200pF
CT = 1500pF
MAX15005 MAXIMUM DUTY CYCLE
MAX15005
CT = 1000pF
vs. OUTPUT FREQUENCY (f
OVI TO OUT DELAY THROUGH
OVERVOLTAGE COMPARATOR
C
R
f
OSC
RTCT
RTCT
MAXIMUM DUTY CYCLE
OUTPUT FREQUENCY (kHz)
vs. f
= f
= 220pF
= 10kΩ
OUT
f
SYNC
SYNC
CT = 560pF
= 418kHz
1μs/div
_______________________________________________________________________________________
/f
100
OSC
/f
OSC
CT = 560pF
RT = 10kΩ
f
OSC
RATIO
V
RATIO
= f
CT = 220pF
OUT
OUT
CT = 100pF
= 180kHz
MAX15004 toc16
OUT
V
)
OVI
1000
V
500mV/div
V
2V/div
OUT
OVI
110
100
-10
55
54
53
52
51
50
49
48
47
46
45
90
80
70
60
50
40
30
20
10
0
Typical Operating Characteristics (continued)
-40
0.1
4.5V to 40V Input Automotive
ERROR AMPLIFIER OPEN-LOOP GAIN
MAX15004 MAXIMUM DUTY CYCLE
f
C
OUT
OUT
DRIVER OUTPUT PEAK SOURCE
-15
1
= 75kHz
AND PHASE vs. FREQUENCY
= 10nF
10
vs. TEMPERATURE
10
AND SINK CURRENT
TEMPERATURE (°C)
PHASE
FREQUENCY (Hz)
100
35
GAIN
400ns/div
1k
60
10k 100k 1M 10M
85
MAX15004 toc14
MAX15004 toc17
110
135
V
5V/div
I
1A/div
340
300
260
220
180
140
100
60
OUT
OUT
100
85
83
81
79
77
75
73
71
69
67
65
90
80
70
60
50
40
30
20
10
0
-40
-40
CS-TO-OUT DELAY vs. TEMPERATURE
POWER-UP SEQUENCE THROUGH V
MAX15005 MAXIMUM DUTY CYCLE
CT = 560pF
RT = 13.7kΩ
f
OSC
-15
-15
= f
V
ON/OFF
V
OUT
CS
OVERDRIVE = 50mV
vs. TEMPERATURE
10
10
= 150kHz
TEMPERATURE (°C)
TEMPERATURE (°C)
= 5V
V
35
CS
35
2ms/div
OVERDRIVE = 190mV
60
60
85
85
MAX15004 toc18
MAX15004 toc15
110
110
IN
135
135
7
V
5V/div
REG5
5V/div
V
5V/div
V
10V/div
OUT
IN
CC
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