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MAX1980

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

Maxim Integrated 

Quick-PWM Slave Controller with

Driver Disable for Multiphase DC-DC Converter

ELECTRICAL CHARACTERISTICS (continued)

(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

LOGIC

POL Logic Levels

VPOL VCC = 4.5V to 5.5V

High

Low

2.4

V

0.8

DD Logic Levels

VDD

VCC = 4.5V to 5.5V

265mV hysteresis

High

Low

2.4

V

0.6

TRIG Logic Levels

VTRIG 350mV hysteresis

High

Low

3.0

V

1.2

TON Logic Levels

VTON

Logic high (VCC; 200kHz operation)

Open (300kHz operation)

Logic low (GND; 550kHz operation)

VCC - 0.4

1.6

3.1

V

0.5

Logic Input Current

TRIG

DD

POL

-1

+1

-1

+1

µA

-2

+1

TON = GND or VDD

-2

+3

ELECTRICAL CHARACTERISTICS

(Circuit of Figure 1, V+ = 15V, VCC = VDD = 5V, VOUT = VCOMP = 1.2V, VCM+ = VCM- = VCS+ = VCS- = 1.2V, DD = VCC, TA = -40°C

to +100°C, unless otherwise noted.) (Note 5)

PARAMETER

SYMBOL

CONDITIONS

MIN

PWM CONTROLLER

On Time (Note 1)

tON

V+ = 12V,

VCOMP = 1.2V

TON = GND (550kHz) 171

TON = open (300kHz) 320

TON = VCC (200kHz)

464

SUPPLY CURRENTS

Quiescent Supply Current (V+)

I+

Measured at V+; VILIM > 0.35V

Quiescent Supply Current (VDD)

IDD

Measured at VDD; VILIM > 0.35V,

TA = -40°C to +85°C

Quiescent Supply Current (VCC)

ICC

Measured at VCC; VILIM > 0.35V

Standby Supply Current (V+)

Measured at V+; ILIM = GND,

TA = -40°C to +85°C

TYP

MAX UNITS

209

390

ns

566

40

µA

5

µA

800

µA

5

µA

Standby Supply Current (VDD)

Standby Supply Current (VCC)

Driver-Disable Supply Current

(V+)

Measured at VDD; ILIM = GND,

TA = -40°C to +85°C

Measured at VCC; ILIM = GND

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

5

µA

40

µA

40

µA

Driver-Disable Supply Current

(VDD)

Measured at VDD; DD = GND, VILIM >

0.35V, TA = -40°C to +85°C

5

µA

Driver-Disable Supply Current

(VCC)

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

800

µA

4 _______________________________________________________________________________________

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