FA7613CP Datasheet, PDF (2/5 Pages) Fuji Electric – Bipolar IC For Switching Power Supply Control

s Absolute maximum ratings
Item
Supply voltage
Reference voltage output current
Output sink current
Total power dissipation
Operating temperature
Storage temperature
Symbol
VCC
IOR
ISINK
Pd
Topr
Tstg
Rating
22
5
50
400
–20 to +85
–40 to +150
Unit
V
mA
mA
mW
°C
°C
FA7613CP(E)
s Recommended operating conditions
Item
Supply voltage
Feedback resistance
Oscillator timing capacitor
Oscillator timing resistance
Oscillation frequency
Symbol
VCC
RNF
CT
RT
fOSC
Min.
2.5
100
220
4.7
10
Max.
20
22,000
100
500
Unit
V
kΩ
pF
kΩ
kHz
s Electrical characteristics (Ta = 25°C, VCC = 5V, fOSC = 100kHz)
Reference voltage section
Item
Output voltage
Line regulation
Load regulation
Output voltage variation due to temperature change
Symbol
VREF
LINE
LOAD
VTC1
VTC2
Test condition
IOR = 1mA
VCC = 2.5 to 20V
IOR = 0.1 to 1mA
Ta = –20 to +25°C
Ta = +25 to +85°C
Min. Typ. Max. Unit
1.210 1.235 1.260 V
1
5
mV
5
10
mV
–1
1
%
–1
1
%
Oscillator section
Item
Oscillation frequency
Frequency variation 1 (due to supply voltage change)
Frequency variation 2 (due to temperature change)
Symbol
fOSC
fdV
fdT
Test condition
Min. Typ. Max. Unit
CT = 1000pF, RT = 4.7kΩ 120
140
160
kHz
VCC = 2.5 to 20V
2
%
Ta = –20 to +85°C
4
%
Error amplifier section
Item
Input bias current
Open-loop voltage gain
Unity-gain bandwidth
Maximum output voltage (Pin 5)
Output source current (Pin 5)
Symbol
IB+
IB–
AV
GB
VOM+
VOM–
IOM+
Test condition
Pin 3 = 1.25V
Pin 4 = 1.25V
RNF = 200kΩ
RNF = 200kΩ
VOM = 1V
Min.
70
4.8
25
Typ.
0.1
0.1
1.0
50
Max.
1.0
1.0
200
100
Unit
µA
µA
dB
MHz
V
mV
µA
PWM comparator section
Item
Input threshold voltage (Pin 5)
Input threshold voltage (Pin 5)
Symbol
VTH0
VTH50
Test condition
Duty cycle = 0%
Duty cycle = 50%
Min.
Typ.
0.80
1.13
Max. Unit
0.90 V
V
2