ICL232 datasheet(4/8 Pages) RENESAS

4 / 8 page

ICL232

FN3020 Rev 8.00

Page 4 of 8

October 15, 2014

Test Circuits

FIGURE 2. GENERAL TEST CIRCUIT

FIGURE 3. POWER-OFF SOURCE RESISTANCE CONFIGURATION

Typical Performance Curves

FIGURE 4. V+, V- OUTPUT IMPEDANCES vs VCC

FIGURE 5. V+, V- OUTPUT VOLTAGES vs LOAD CURRENT

C1+

V+

C1-

C2+

C2-

V-

R2IN

T2OUT

VCC

T1OUT

R1IN

R1OUT

T1IN

T2IN

R2OUT

GND

+4.5V TO

+5.5V INPUT

3kΩ

T1 OUTPUT

RS-232

±30V INPUT

TTL/CMOS

OUTPUT

TTL/CMOS

INPUT

TTL/CMOS

INPUT

TTL/CMOS

OUTPUT

1µF

1µF C4

3kΩ

T2 OUTPUT

RS-232

±30V INPUT

C1+

V+

C1-

C2+

C2-

V-

R2IN

T2OUT

VCC

T1OUT

R1IN

R1OUT

T1IN

T2IN

R2OUT

GND

T2OUT

T1OUT

VIN = 2V

ROUT = VIN/I

550

500

450

400

350

300

250

200

150

456

INPUT SUPPLY VOLTAGE VCC (V)

V- SUPPLY

V+ SUPPLY

OPERATING

RANGE

GUARANTEED

TA = +25°C

EXTERNAL SUPPLY LOAD

1kW BETWEEN V+ + GND

OR V- + GND

TRANSMITTER OUTPUT

OPEN CIRCUIT

|ILOAD| (mA)

V+ (VCC = 4.5V)

V+ (VCC = 5V)

V- (VCC = 5V)

V- (VCC = 4.5V)

TA = 25°C

TRANSMITTER OUTPUTS

OPEN CIRCUIT

VCC

GND

OSCILLATOR

VCC

GND

V+ = 2VCC

GND

V- = -(V+)

C1+

C2+

VOLTAGE INVERTER

VOLTAGE DOUBLER

FIGURE 6. DUAL CHARGE PUMP

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