MAX15005BAUV datasheet(5/27 Pages) MAXIM

Part #	MAX15005BAUV

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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5 / 27 page

4.5V to 40V Input Automotive

Flyback/Boost/SEPIC Power-Supply Controllers

_______________________________________________________________________________________

5

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

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OUTPUT DRIVER

ROUT-N

VCC = 8V (applied externally),

IOUT = 100mA (sinking)

1.7

3.5

Driver Output Impedance

ROUT-P

VCC = 8V (applied externally),

IOUT = 100mA (sourcing)

35

Ω

COUT = 10nF, sinking

1000

Driver Peak Output Current

IOUT-PEAK

COUT = 10nF, sourcing

750

mA

OVERVOLTAGE COMPARATOR

Overvoltage Comparator Input

Threshold

VOV-TH

VOVI rising

1.20

1.228

1.26

V

Overvoltage Comparator

Hysteresis

VOV-HYST

125

mV

Overvoltage Comparator Delay

TDOVI

From OVI rising above 1.228V to OUT

falling, with 50mV overdrive

1.6

µs

OVI Input Current

IOVI

VOVI = 0 to 5V

-0.5

+0.5

µA

THERMAL SHUTDOWN

Shutdown Temperature

TSHDN

Temperature rising

160

oC

Thermal Hysteresis

THYST

15

oC

Note 1: 100% production tested at +125°C. Limits over the temperature range are guaranteed by design.

Note 2: Not production tested, guaranteed by design.

Note 3: For the MAX15005A/B, DMAX depends upon the value of RT. See Figure 3 and the Oscillator Frequency/External

Synchronization section.

Note 4: The external SYNC pulse triggers the discharge of the oscillator ramp. See Figure 2. During external SYNC, DMAX = 50% for

the MAX15004A/B; for the MAX15005A/B, there is a shift in DMAX with fSYNC/fOSC ratio (see the Oscillator Frequency/

External Synchronization section).

Note 5: The parameter is measured at the trip point of latch, with 0

≤ VCS ≤ 0.3V, and FB = COMP.

Note 6: Slope compensation = (2.5 x 10-9)/CSLOPE mV/µs. See the Applications Information section.

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