TL594

2

MOTOROLA ANALOG IC DEVICE DATA

RECOMMENDED OPERATING CONDITIONS

Characteristics

Symbol

Min

Typ

Max

Unit

Power Supply Voltage

VCC

7.0

15

40

V

Collector Output Voltage

VC1, VC2

–

30

40

V

Collector Output Current (Each transistor)

IC1, IC2

–

–

200

mA

Amplified Input Voltage

Vin

0.3

–

VCC – 2.0

V

Current Into Feedback Terminal

lfb

–

–

0.3

mA

Reference Output Current

lref

–

–

10

mA

Timing Resistor

RT

1.8

30

500

k

Ω

Timing Capacitor

CT

0.0047

0.001

10

µF

Oscillator Frequency

fosc

1.0

40

200

kHz

PWM Input Voltage (Pins 3, 4, 13)

–

0.3

–

5.3

V

For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted.

Characteristics

Symbol

Min

Typ

Max

Unit

REFERENCE SECTION

Reference Voltage

(IO = 1.0 mA, TA = 25°C)

(IO = 1.0 mA)

Vref

4.925

4.9

5.0

–

5.075

5.1

V

Line Regulation (VCC = 7.0 V to 40 V)

Regline

–

2.0

25

mV

Load Regulation (IO = 1.0 mA to 10 mA)

Regload

–

2.0

15

mV

Short Circuit Output Current (Vref = 0 V)

ISC

15

40

75

mA

OUTPUT SECTION

Collector Off–State Current (VCC = 40 V, VCE = 40 V)

IC(off)

–

2.0

100

µA

Emitter Off–State Current (VCC = 40 V, VC = 40 V, VE = 0 V)

IE(off)

–

–

–100

µA

Collector–Emitter Saturation Voltage (Note 2)

Common–Emitter (VE = 0 V, IC = 200 mA)

Emitter–Follower (VC = 15 V, IE = –200 mA)

VSAT(C)

VSAT(E)

–

–

1.1

1.5

1.3

2.5

V

Output Control Pin Current

Low State (VOC ≤ 0.4 V)

High State (VOC = Vref)

IOCL

IOCH

–

–

0.1

2.0

–

20

µA

Output Voltage Rise Time

Common–Emitter (See Figure 13)

Emitter–Follower (See Figure 14)

tr

–

–

100

100

200

200

ns

Output Voltage Fall Time

Common–Emitter (See Figure 13)

Emitter–Follower (See Figure 14)

tf

–

–

40

40

100

100

ns

ERROR AMPLIFIER SECTION

Input Offset Voltage (VO (Pin 3) = 2.5 V)

VIO

–

2.0

10

mV

Input Offset Current (VO (Pin 3) = 2.5 V)

IIO

–

5.0

250

nA

Input Bias Current (VO (Pin 3) = 2.5 V)

IIB

–

–0.1

–1.0

µA

Input Common Mode Voltage Range (VCC = 40 V, TA = 25°C)

VICR

0 to VCC–2.0

V

Inverting Input Voltage Range

VIR(INV)

–0.3 to VCC–2.0

V

Open Loop Voltage Gain (

∆VO = 3.0 V, VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)

AVOL

70

95

–

dB

Unity–Gain Crossover Frequency (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)

fC

–

700

–

kHz

Phase Margin at Unity–Gain (VO = 0.5 V to 3.5 V, RL = 2.0 kΩ)

φm

–

65

–

deg.

Common Mode Rejection Ratio (VCC = 40 V)

CMRR

65

90

–

dB

Power Supply Rejection Ratio (

∆VCC = 33 V, VO = 2.5 V, RL = 2.0 kΩ)

PSRR

–

100

–

dB

Output Sink Current (VO (Pin 3) = 0.7 V)

IO–

0.3

0.7

–

mA

Output Source Current (VO (Pin 3) = 3.5 V)

IO+

–2.0

–4.0

–

mA

NOTE: 2. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.