MAX1980ETP datasheet(2/33 Pages) MAXIM

Part #	MAX1980ETP

Description	Quick-PWM Slave Controller with Driver Disable for Multiphase DC-DC Converter

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Manufacturer	MAXIM [Maxim Integrated Products]

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Quick-PWM Slave Controller with

Driver Disable for Multiphase DC-DC Converter

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

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 +30V

VCC, VDD to GND .....................................................-0.3V to +6V

PGND to GND.....................................................................±0.3V

TRIG, LIMIT to GND .................................................-0.3V to +6V

DD to GND ...............................................................-0.3V to +6V

ILIM, CM+, CM-, CS+, CS-, COMP

to GND....................................................-0.3V to (VCC + 0.3V)

TON, POL to GND ......................................-0.3V to (VCC + 0.3V)

DL to PGND................................................-0.3V to (VDD + 0.3V)

BST to GND ............................................................-0.3V to +36V

DH to LX ....................................................-0.3V to (VBST + 0.3V)

LX to BST..................................................................-6V to +0.3V

Continuous Power Dissipation (TA = +70°C)

20-Pin QFN (derate 20.0mW/°C above +70°C) .............1.60W

Operating Temperature Range .........................-40°C to +100°C

Junction Temperature ......................................................+150°C

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

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

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, V+ = 15V, VCC = VDD = 5V, VOUT = VCOMP = 1.2V, VCM+ = VCM- = VCS+ = VCS- = 1.2V, DD = VCC, TA = 0°C to

+85°C, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

PWM CONTROLLER

Battery voltage, V+

4.0

28

Input Voltage Range

VCC, VDD

4.5

5.5

V

TON = GND

171

190

209

TON = open

320

355

390

On-Time (Note 1)

tON

V+ = 12V,

VCOMP = 1.2V

TON = VCC

464

515

566

ns

Trigger Delay (Note 2)

tTRIG

75

ns

SUPPLY CURRENTS

Quiescent Supply Current (V+)

I+

Measured at V+; VILIM > 0.35V

25

40

µA

Quiescent Supply Current (VDD)IDD

Measured at VDD; VILIM > 0.35V

<1

5

µA

Quiescent Supply Current (VCC)ICC

Measured at VCC; VILIM > 0.35V

525

800

µA

Standby Supply Current (V+)

Measured at V+; ILIM = GND

<1

5

µA

Standby Supply Current (VDD)

Measured at VDD; ILIM = GND

<1

5

µA

Standby Supply Current (VCC)

Measured at VCC; ILIM = GND

20

40

µA

Driver-Disable Supply Current (V+)

Measured at V+; DD = GND, VILIM > 0.35V

25

40

µA

Driver-Disable Supply Current

(VDD)

Measured at VDD; DD = GND, VILIM > 0.35V

<1

5

µA

Driver-Disable Supply Current

(VCC)

Measured at VCC; DD = GND, VILIM > 0.35V

525

800

µA

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