
FA7615CP(E)
2
I
Electrical characteristics
(Ta = 25
°
C, V
CC
= 6V, R
T
= 47k
, C
T
= 1000pF)
Reference voltage section
Item
Symbol
V
REF
L
INE
L
OAD
V
TC1
V
TC2
Test condition
I
OR
= 1mA
V
CC
= 3.6 to 20V, I
OR
= 1mA
I
OR
= 0.1 to 1mA
Ta = –20 to +25
°
C
Ta = +25 to +85
°
C
Min.
Typ.
Max.
Unit
Output voltage
2.383
2.432
2.481
V
Line regulation
4
12
mV
Load regulation
1
6
mV
Output voltage variation due to temperature change
–1
1
%
–1
1
%
Oscillator section
Item
Symbol
f
OSC
f
dV
f
dT
I
SYNC
V
SYNC
Test condition
C
T
= 1000pF,
R
T
= 47k
V
CC
= 3.6 to 20V
Ta = –20 to +85
°
C
V
SYNC
= 2V
Min.
Typ.
Max.
Unit
Oscillation frequency
17
20
23
kHz
Frequency variation 1 (due to supply voltage change)
1
%
Frequency variation 2 (due to temperature change)
5
%
Synchronizing terminal input current
0.4
1.0
mA
Synchronizing terminal input voltage
1
2.5
V
Error amplifier section
Item
Symbol
V
B
I
B
A
V
G
B
V
OM+
V
OM–
I
OM+
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
1.0
MHz
Maximum output voltage (Pin 6 and Pin 12)
R
NF
= 100k
R
NF
= 100k
V
OM
= 1V
V
REF
–0.2
V
200
mV
μ
A
Output source current (Pin 6 and Pin 12)
40
85
200
PWM comparator section
Item
Symbol
V
TH0
V
TH50
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage (Pin 6 and Pin 12)
Duty cycle = 0%
0.38
0.48
V
Input threshold voltage (Pin 6 and Pin 12)
Duty cycle = 50%
0.6
V
I
Absolute maximum ratings
Item
Symbol
V
CC
I
OR
I
O
P
d
T
opr
T
stg
Rating
Unit
Supply voltage
22
V
Reference voltage output current
5
±
50
400
mA
Output current
mA
Total power dissipation
mW
Operating temperature
–20 to +85
°
C
°
C
Storage temperature
–40 to +150
I
Recommended operating conditions
Item
Symbol
V
CC
R
NF
C
T
R
T
f
OSC
Min.
Max.
Unit
Supply voltage
3.6
20
V
k
pF
k
Feedback resistance
100
Oscillator timing capacitor
220
22,000
Oscillator timing resistance
10
100
Oscillation frequency
5
200
kHz