MC34066 MC33066

2

MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Power Input Supply Voltage

VCC

20

V

Drive Output Current, Source or Sink (Note 1)

Continuous

Pulsed (0.5

µs, 25% Duty Cycle)

IO

0.3

1.5

A

Error Amplifier, Fault, One–Shot, Oscillator, and

Soft–Start Inputs

Vin

–1.0 to +6.0

V

UVLO Adjust Input

Vin(UVLO)

–1.0 to VCC

V

Soft–Start Discharge Current

Idchg

20

mA

Power Dissipation and Thermal Characteristics

DW Suffix Package, Case 751G

Maximum Power Dissipation @ TA = 25°C

Thermal Resistance, Junction–to–Air

P Suffix Package, Case 648

Maximum Power Dissipation @ TA = 25°C

Thermal Resistance, Junction–to–Air

PD

R

θJA

PD

R

θJA

862

145

1.25

100

mW

°C/W

W

°C/W

Operating Junction Temperature

TJ

+150

°C

Operating Ambient Temperature

MC34066

MC33066

TA

0 to +70

–40 to +85

°C

Storage Temperature Range

Tstg

–65 to +150

°C

CT = 300 pF, CL = 1.0 nF, for typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies

[Note 3], unless otherwise noted.)

Characteristics

Symbol

Min

Typ

Max

Unit

REFERENCE SECTION

Reference Output Voltage (IO = 0 mA, TA = 25°C)

Vref

5.0

5.1

5.2

V

Line Regulation (VCC = 10 V to 18 V)

Regline

–

1.0

20

mV

Load Regulation (IO = 0 mA to 10 mA)

Regload

–

1.0

20

mV

Total Output Variation over Line, Load, and Temperature

Vref

4.9

–

5.3

mV

Output Short Circuit Current

IO

25

100

190

mA

Reference Undervoltage Lockout Threshold

Vth

3.8

4.3

4.8

V

ERROR AMPLIFIER

Input Offset Voltage (VCM = 1.5 V)

VIO

–

1.0

10

mV

Input Bias Current (VCM = 1.5 V)

IIB

–

0.2

1.0

µA

Input Offset Current (VCM = 1.5 V)

IIO

–

0

0.5

µA

Open Loop Voltage Gain (VCM = 1.5 V, VO = 2.0 V)

AVOL

70

100

–

dB

Gain Bandwidth Product (f = 100 kHz)

GBW

2.5

4.2

–

MHz

Input Common Mode Rejection Ratio (VCM = 1.5 V to 5.0 V)

CMRR

70

95

–

dB

Power Supply Rejection Ratio (VCC = 10 V to 18 V, f = 120 Hz)

PSRR

80

100

–

dB

Output Voltage Swing

High State with Respect to Pin 3 (ISource = 2.0 mA)

Low State with Respect to Ground (ISink = 1.0 mA)

VOH

VOL

2.3

–

2.7

0.4

3.1

0.6

V

NOTES: 1. Maximum package power dissipation limits must be observed.

2. Adjust VCC above the Startup threshold before setting to 12 V.

3. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

Tlow =0°C for MC34066

Thigh = +70°C for MC34066

–40

°C for MC33066