OVI TO OUT DELAY THROUGH

OVERVOLTAGE COMPARATOR

MAX15004 toc16

1

μs/div

2V/div

500mV/div

DRIVER OUTPUT PEAK SOURCE

AND SINK CURRENT

MAX15004 toc17

400ns/div

5V/div

1A/div

MAX15004 toc18

2ms/div

10V/div

5V/div

REG5

5V/div

5V/div

4.5V to 40V Input Automotive

Flyback/Boost/SEPIC Power-Supply Controllers

_______________________________________________________________________________________

7

MAX15005 MAXIMUM DUTY CYCLE

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

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

MAXIMUM DUTY CYCLE

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

Ω

CT = 560pF

RT = 10k

Ω

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

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.)