MAX15005B データシートの表示（PDF） - Maxim Integrated

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MAX15005B

4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers

Maxim Integrated 

MAX15004A/B-MAX15005A/B

4.5V to 40V Input Automotive

Flyback/Boost/SEPIC

Power-Supply Controllers

Electrical Characteristics (continued)

(VIN = 14V, CIN = 0.1μF, CVCC = 0.1μF // 1μF, CREG5 = 1μF, VON/OFF = 5V, CSS = 0.01μF, CSLOPE = 100pF, RT = 13.7kΩ, CT = 560pF,

VSYNC = VOVI = VFB = VCS = 0V, COMP = unconnected, OUT = unconnected. TA = TJ = -40°C to +125°C, unless otherwise noted.

Typical values are at TA = +25°C. All voltages are referenced to PGND, unless otherwise noted.) (Note 1) (Figure 5)

PARAMETER

OSCILLATOR (RTCT)

Oscillator Frequency Range

RTCT Peak Trip Level

RTCT Valley Trip Level

RTCT Discharge Current

SYMBOL

fOSC

VTH,RTCT

VTL,RTCT

IDIS,RTCT

Oscillator Frequency Accuracy

(Note 2)

Maximum PWM Duty Cycle

(Note 3)

DMAX

Minimum On-Time

SYNC Lock-In Frequency Range

(Note 4)

tON-MIN

SYNC High-Level Voltage

SYNC Low-Level Voltage

SYNC Input Current

SYNC Minimum Input Pulse Width

VIH-SYNC

VIL-SYNC

ISYNC

ERROR AMPLIFIER/SOFT-START

Soft-Start Charging Current

ISS

SS Reference Voltage

VSS

SS Threshold for HICCUP Enable

FB Regulation Voltage

VREF-FB

FB Input Offset Voltage

FB Input Current

COMP Sink Current

VOS-FB

ICOMP-SINK

CONDITIONS

fOSC = 2 x fOUT for MAX15004A/B,

fOSC = fOUT for MAX15005A/B

VRTCT = 2V

RT = 13.7kΩ, CT = 4.7nF,

fOSC (typ) = 18kHz

RT = 13.7kΩ, CT = 560pF,

fOSC (typ) = 150kHz

RT = 21kΩ, CT = 100pF,

fOSC (typ) = 500kHz

RT = 7kΩ, CT = 100pF,

fOSC (typ) = 1MHz

MAX15004A/B

MAX15005A/B,

RT = 13.7kΩ, CT = 560pF,

fOSC (typ) = 150kHz

VIN = 14V

RT = 13.7kΩ, CT = 560pF,

fOSC (typ) = 150kHz

VSYNC = 0 to 5V

VSS = 0V

VSS rising

COMP = FB,

ICOMP = -500µA to +500µA

COMP = 0.25V to 4.5V,

ICOMP = -500µA to +500µA,

VSS = 0 to 1.5V

VFB = 0 to 1.5V

VFB = 1.5V, VCOMP = 0.25V

MIN TYP MAX UNITS

15

1000 kHz

0.55 x VREG5

V

0.1 x VREG5

V

1.30 1.33 1.36

mA

-4

+4

-4

+4

%

-5

+5

-7

+7

50

%

78.5

80

81.5

110

170

ns

102

200 %fOSC

2

V

0.8

V

-0.5

+0.5

µA

50

ns

8

15

21

µA

1.215 1.228 1.240

V

1.1

V

1.215 1.228 1.240

V

-5

+5

mV

-300

+300

nA

3

5.5

mA

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