FA7615CP Datasheet, PDF (2/6 Pages) Fuji Electric – FA7615CPE Bipolar IC For Switching Power Supply Control

FA7615CP(E)
s Absolute maximum ratings
Item
Symbol
Rating
Unit
Supply voltage
VCC
22
V
Reference voltage output current IOR
5
mA
Output current
IO
±50
mA
Total power dissipation
Pd
400
mW
Operating temperature
Topr
–20 to +85
°C
Storage temperature
Tstg
–40 to +150
°C
s Recommended operating conditions
Item
Supply voltage
Feedback resistance
Oscillator timing capacitor
Oscillator timing resistance
Oscillation frequency
Symbol
VCC
RNF
CT
RT
fOSC
Min.
3.6
100
220
10
5
Max.
20
22,000
100
200
Unit
V
kΩ
pF
kΩ
kHz
s Electrical characteristics (Ta = 25°C, VCC = 6V, RT = 47kΩ, CT = 1000pF)
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
Min.
IOR = 1mA
2.383
VCC = 3.6 to 20V, IOR = 1mA
IOR = 0.1 to 1mA
Ta = –20 to +25°C
–1
Ta = +25 to +85°C
–1
Typ.
2.432
4
1
Max.
2.481
12
6
1
1
Unit
V
mV
mV
%
%
Oscillator section
Item
Oscillation frequency
Frequency variation 1 (due to supply voltage change)
Frequency variation 2 (due to temperature change)
Synchronizing terminal input current
Synchronizing terminal input voltage
Symbol
fOSC
fdV
fdT
ISYNC
VSYNC
Test condition
CT = 1000pF, RT = 47kΩ
VCC = 3.6 to 20V
Ta = –20 to +85°C
VSYNC = 2V
Min.
17
1
Typ.
20
1
5
0.4
Max. Unit
23
kHz
%
%
1.0
mA
2.5
V
Error amplifier section
Item
Reference voltage
Input bias current
Open-loop voltage gain
Unity-gain bandwidth
Maximum output voltage (Pin 6 and Pin 12)
Output source current (Pin 6 and Pin 12)
Symbol
VB
IB
AV
GB
VOM+
VOM–
IOM+
Test condition
RNF = 100kΩ
RNF = 100kΩ
VOM = 1V
Min. Typ.
0.484 0.494
5
70
1.0
VREF–0.2
40
85
Max.
0.504
100
200
200
Unit
V
nA
dB
MHz
V
mV
µA
PWM comparator section
Item
Input threshold voltage (Pin 6 and Pin 12)
Input threshold voltage (Pin 6 and Pin 12)
Symbol
VTH0
VTH50
Test condition
Duty cycle = 0%
Duty cycle = 50%
Min.
Typ.
0.38
0.6
Max. Unit
0.48 V
V
2