Datasheet
4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
Typical Operating Characteristics
(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.)
V
IN
UVLO HYSTERESIS
vs. TEMPERATURE
TEMPERATURE (°C)
V
IN
UVLO HYSTERESIS (mV)
MAX15004 toc01
-40 -15 10 35 60 85 110 135
0
10
20
30
40
50
60
70
80
90
100
110
120
V
IN
SUPPLY CURRENT (I
SUPPLY
)
vs. OSCILLATOR FREQUENCY (f
OSC
)
FREQUENCY (kHz)
V
IN
SUPPLY CURRENT (mA)
MAX15004 toc02
10 60 110 160 210 260 310 360 410 460 510
1
4
7
10
13
16
19
22
25
28
31
MAX15005
V
IN
= 14V
CT = 220pF
C
OUT
= 10nF
C
OUT
= 0nF
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
V
IN
SHUTDOWN SUPPLY CURRENT (μA)
MAX15004 toc03
5 1015202530354045
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
T
A
= +135°C
T
A
= -40°C
T
A
= +25°C
V
CC
OUTPUT VOLTAGE
vs. V
IN
SUPPLY VOLTAGE
V
IN
SUPPLY VOLTAGE (V)
V
CC
OUTPUT VOLTAGE (V)
MAX15004 toc04
5 1015202530354045
5.0
5.5
6.0
6.5
7.0
7.5
I
VCC
= 0mA
I
VCC
= 1mA
I
VCC
= 20mA
V
CC
CLAMP VOLTAGE
vs. V
CC
CURRENT SINK (I
VCC
)
V
CC
CURRENT SINK (mA)
V
CC
CLAMP VOLTAGE (V)
MAX15004 toc05
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
7.00
7.25
7.50
7.75
8.00
8.25
8.50
8.75
9.00
9.25
9.50
9.75
10.00
10.25
10.50
T
A
= +135°C
T
A
= -40°C
T
A
= +25°C
T
A
= +125°C
REG5 OUTPUT VOLTAGE
vs. V
CC
VOLTAGE
V
CC
VOLTAGE (V)
REG5 OUTPUT VOLTAGE (V)
MAX15004 toc06
5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5
4.700
4.725
4.750
4.775
4.800
4.825
4.850
4.875
4.900
4.925
4.950
4.975
5.000
I
REG5
= 1mA (SOURCING)
I
REG5
= 15mA (SOURCING)
REG5 DROPOUT VOLTAGE
vs. I
REG5
I
REG5
(mA)
REG5 LDO DROPOUT VOLTAGE (V)
MAX15004 toc07
0 2 4 6 8 10 12 14
0
0.03
0.05
0.08
0.10
0.13
0.15
0.18
0.20
0.23
0.25
0.28
0.30
T
A
= +135°C
T
A
= +25°C
T
A
= -40°C
T
A
= +125°C
V
CC
= 4.5
V
IN
= V
ON/OFF
OSCILLATOR FREQUENCY (f
OSC
)
vs. V
IN
SUPPLY VOLTAGE
V
IN
SUPPLY VOLTAGE (V)
OSCILLATOR FREQUENCY (kHz)
MAX15004 toc08
5.5 10.5 15.5 20.5 25.5 30.5 35.5 40.5 45.5
140
141
142
143
144
145
146
147
148
149
150
T
A
= +125°C
T
A
= -40°C
T
A
= +25°C
T
A
= +135°C
RT = 13.7kΩ
CT = 560pF
MAX15005
OSCILLATOR FREQUENCY (f
OSC
)
vs. RT/CT
RT (kΩ)
OSCILLATOR FREQUENCY (kHz)
MAX15004 toc09
1 10 100 1000
10
100
1000
CT = 220pF
CT = 1500pF
CT = 1000pF
CT = 560pF
CT = 2200pF
CT = 3300pF
CT = 100pF
MAX15004A/B/MAX15005A/B
6
Maxim Integrated