FA7611CP(E)

2

s Electrical characteristics (Ta = 25

Reference voltage section

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Output voltage

2.425

2.475

2.525

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

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Oscillation frequency

Ω

95

115

135

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

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Reference voltage

0.484

0.494

0.504

V

Input bias current

5

100

nA

Open-loop voltage gain

70

dB

Unity-gain bandwidth

0.6

MHz

Maximum output voltage (Pin 6 and Pin 12)

Ω

V

Ω

200

mV

Output source current (Pin 6 and Pin 12)

40

85

200

µA

PWM comparator section

Item

Symbol

Test condition

Min.

Typ.

Max.

Unit

Input threshold voltage (Pin 6 and Pin 12)

Duty cycle = 0%

0.85

0.95

V

Input threshold voltage (Pin 6 and Pin 12)

Duty cycle = 50%

1.1

V

s Absolute maximum ratings

Item

Symbol

Rating

Unit

Supply voltage

22

V

Reference voltage output current

5mA

Output current

±50

mA

Total power dissipation

400

mW

Operating temperature

–20 to +85

°C

Storage temperature

–40 to +150

°C

s Recommended operating conditions

Item

Symbol

Min.

Max.

Unit

Supply voltage

3.6

20

V

Feedback resistance

100

k

Ω

Oscillator timing capacitor

220

22,000

pF

Oscillator timing resistance

10

100

k

Ω

Oscillation frequency

5

200

kHz