FA7610CP(N)/FA7612CP(N)/FA7617CP(N)

3

s Absolute maximum ratings (Ta = 25

°C)

Item

Symbol

Rating

Unit

FA7610C

FA7612C/17C

Supply voltage

22

22

V

Reference voltage output current

55mA

Output current

±50

80

mA

Total power dissipation

400

400

mW

Operating temperature

–20 to +85

–20 to +85

°C

Storage temperature

–40 to +150

–40 to +150

°C

s Recommended operating conditions

Item

Symbol

FA7610C

FA7612/17C

Unit

Min.

Max.

Min.

Max.

Supply voltage

3.6

20

3.6

20

V

Feedback resistance

100

100

k

Ω

Oscillator timing capacitor

220

22,000

220

22,000

pF

Oscillator timing resistance

10

100

10

100

k

Ω

Oscillation frequency

5

200

5

500

kHz

s Electrical characteristics (Ta = 25

Reference voltage section Common to FA7610C/12C/17C

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Output voltage

2.528

2.580

2.632

V

Line regulation

4

12

mV

Load regulation

1

6

mV

Output voltage variation due to temperature change

Ta = –20 to +25

°C–1

1

%

Ta = +25 to +85

°C–1

1

%

Oscillator section Common to FA7610C/12C/17C

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Oscillation frequency

Ω

100

111

122

kHz

Frequency variation 1 (due to supply voltage change)

1

%

Frequency variation 2 (due to temperature change)

Ta = –20 to +85

°C5

%

Error amplifier section

Common to FA7610C/12C/17C

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Reference voltage

0.515

0.525

0.535

V

Input bias current

5

100

nA

Open-loop voltage gain

70

dB

Unity-gain bandwidth

0.6

MHz

Maximam output voltage (Pin 2)

Ω

V

Ω

200

mV

Output source current (Pin 2)

40

85

200

µA

PWM comparator section

Item

Symbol Test condition

FA7610C

FA7612C

FA7617C

Unit

Min.

Typ.

Max.

Min.

Typ.

Max.

Min.

Typ.

Max.

Input threshold voltage (pin 2)

Duty cycle = 0%

0.85

0.95

0.85

0.95

0.85

0.95

V

Input threshold voltage (pin 2)

Duty cycle = 50%

1.1

1.1

1.1

V

Maximum duty cycle

αM

(Pin 2 = 1.2V)

58

64

75

100

63

67

71

%