MAX8513EEI datasheet(7/35 Pages) MAXIM

Part #	MAX8513EEI

Description	Wide-Input, High-Frequency, Triple-Output Supplies with Voltage Monitor and Power-On Reset

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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7 / 35 page

Wide-Input, High-Frequency, Triple-Output Supplies

with Voltage Monitor and Power-On Reset

_______________________________________________________________________________________

7

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VLX = VSUP2 = 12V, VPVL = VBST - VLX = VDRV3P = 5V, VSUP3N = 3.3V, VDRV3N = -5V, CVL = 4.7µF, CREF = 0.22µF, RFREQ =

15.0kΩ, TA = -40°C to +125°C (Note 2), unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

MAX

UNITS

OUT3P (POSITIVE PNP LDO) (MAX8513 ONLY)

DRV3P Operating Range

VDRV3P

128

V

FB3P Regulation Voltage

VDRV3P = 5V, IDRV3P = 1mA

0.780

0.820

V

FB3P to DRV3P Large-Signal

Transconductance

GC3P

VDRV3P = 5V, IDRV3P = 0.5mA to 5mA

0.3

1.4

S

Feedback Input Bias Current

VFB3P = 0.75V

100

nA

Driver Sink Current

VFB3P = 0.75V

DRV3P = 2.5V

15

mA

FB3P POR Threshold

0.690

0.742

V

OUT3N (NEGATIVE NPN LDO CONTROLLER) (MAX8514 ONLY)

SUP3N Operating Range

(Note 1)

1.5

5.5

V

DRV3N Operating Range

(Note 1)

VSUP3N

- 21V

VSUP3N

- 1.5V

V

SUP3N Supply Current

VDRV3N = 1.5V, VSUP3N = 3.5V,

IDRV3N = -1mA (source)

2mA

FB3N Regulation Voltage

VDRV3N = 1.5V, VSUP3N = 3.5V,

IDRV3N = -1mA (source)

-20

+10

mV

FB3N to DRV3N Large-Signal

Transconductance

GC3N

VDRV3N = 0, IDRV3N = -0.5mA to -5mA

(source)

0.225

0.550

S

Feedback Input Bias Current

VFB3N = -100mV

1500

nA

Driver Source Current

VFB3N = 200mV, VDRV3N = 0,

VSUP3N = 3.5V

13

mA

FB3N POR Threshold

450

550

mV

REFERENCE

REF Output Voltage

VREF

-2µA < IREF < +50µA

1.22

1.27

V

OSCILLATOR

RFREQ = 10.7kΩ ±1% from FREQ to GND

1300

1500

RFREQ = 15.0kΩ ±1% from FREQ to GND

917

1070

Frequency

fS

RFREQ = 50.0kΩ ±1% from FREQ to GND

250

335

kHz

RFREQ = 10.7kΩ ±1% from FREQ to GND

77

91

RFREQ = 15.0kΩ ±1% from FREQ to GND

80

95

Maximum Duty Cycle

(Measured at DH Pin)

RFREQ = 50.0kΩ ±1% from FREQ to GND

93

99

%

Minimum On-Time

(Measured at DH Pin)

RFREQ = 10.7kΩ ±1% from FREQ to GND

62

ns

SYNC/EN Pulse Width

Low or high (Note 1)

200

ns

SYNC/EN Frequency Range

SYNC/EN input frequency needs to be

within ±30% of the value set at the FREQ

pin (Note 1)

200

1850

kHz

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