MAX5014 datasheet(2/14 Pages) MAXIM

Part #	MAX5014

Description	Current-Mode PWM Controllers with Integrated Startup Circuit for Isolated Power Supplies

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Manufacturer	MAXIM [Maxim Integrated Products]

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Current-Mode PWM Controllers with Integrated

Startup Circuit for Isolated Power Supplies

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VDD = 13V, a 10µF capacitor connects VCC to GND, VCS = 0, V+ = 48V, 0.1µF capacitor connected to SS_SHDN, NDRV = open cir-

cuit, OPTO = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

V+ to GND ……………………………………...……-0.3V to +120V

VDD to GND.………………………………….……….-0.3V to +40V

VCC to GND.………………….……………………-0.3V to +12.5V

OPTO, NDRV, SS_SHDN, CS to GND .……-0.3V to VCC + 0.3V

VDD and VCC Current …………………...…………………..20mA

NDRV Current Continuous...………………………………….25mA

NDRV Current for Less than 1µs..………….…………….……±1A

Continuous Power Dissipation (TA = +70°C)

8-Pin SO (derate 5.88mW/°C above +70°C) .………....471mW

Operating Temperature Range…………..……...-40°C to +85°C

Storage Temperature Range……………..…….-65°C to +150°C

Lead Temperature (soldering, 10s) ……………… ………+300°C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

SUPPLY CURRENT

IV+(NS)

VDD = 0, V+ = 110V, driver not switching

0.85

1.3

V+ Supply Current

IV+(S)

V+ = 110V, VDD = 0, VOPTO = 4V,

driver switching

1.4

2.6

mA

V+ Supply Current After Startup

V+ = 110V, VDD = 13V, VOPTO = 4V

11

µA

IVDD(NS)

VDD = 36V, driver not switching

0.9

1.3

VDD Supply Current

IVDD(S)

VDD = 36V, driver switching, VOPTO = 4V

1.9

2.7

mA

V+ Shutdown Current

VSS_SHDN = 0, V+ = 110V

190

290

µA

VDD Shutdown Current

VSS_SHDN = 0

8

20

µA

PREREGULATOR/STARTUP

V+ Input Voltage

18

110

V

VDD Supply Voltage

13

36

V

INTERNAL REGULATORS (VCC)

Powered from V+, ICC = 7.5mA, VDD = 0

7.5

9.8

12

V

VCC Output Voltage

Powered from VDD, ICC = 7.5mA

9.0

10.0

11.0

V

VCC Undervoltage Lockout

VCC_UVLO

VCC falling

6.6

V

OUTPUT DRIVER

Peak Source Current

VCC = 11V, (externally forced)

570

mA

Peak Sink Current

VCC = 11V, (externally forced)

1000

mA

NRDV High-Side Driver

Resistance

ROH

VCC = 11V, externally forced,

NDRV sourcing 50mA

412

Ω

NDRV Low Side Driver

Resistance

ROL

VCC = 11V, externally forced,

NDRV sinking 50mA

1.6

4

Ω

PWM COMPARATOR

OPTO Input Bias Current

VOPTO = VSS_SHDN

-1.00

1.00

µA

OPTO Control Range

23

V

Slope Compensation

VSCOMP

MAX5014

26

mV/µs

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