FA7622CP(E)
3
Pulse width modulation circuit section
( FB1, FB2 pin )
Item
Symbol
V
THO
V
THI
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle = 0%
1.6
1.8
V
Input threshold voltage
Duty cycle = 100%
0.8
1.0
V
Dead time adjustment circuit section
( DT1, DT2 pin )
Item
Symbol
V
TH0
V
TH1
V
STR
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
Duty cycle = 0%
1.6
1.8
V
Input threshold voltage
Duty cycle = 100%
0.8
1.0
V
Standby voltage
DT1, DT2 pin open
1.8
V
Overcurrent limiting circuit section
Item
Symbol
V
THOC
V
HYOC
I
OC
t
doc
Test condition
Min.
Typ.
Max.
Unit
Input threshold voltage
180
210
240
mV
Hysteresis voltage
40
mV
μ
A
ns
Input bias current
50
100
Delay in OCL
Overdriving: 50mV
120
Timer and latch circuit section
Item
Symbol
V
THCP
I
INCP
V
SATC
Test condition
Min.
Typ.
Max.
Unit
Latch-mode threshold voltage
1.00
1.25
1.50
V
μ
A
mV
Input bias current
V
CP
= 1.5V,
V
FB
= 0.3V
I
CP
= 20
μ
A,
V
FB
= 1.0V
1
CP pin voltage / LOW
300
Output ON/OFF control circuit section
Item
Symbol
V
THON
V
TH OFF
I
IN
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
3.0
V
ON-to-OFF threshold voltage
0.60
V
μ
A
Input bias current
V
IN
= 3V
180
Undervoltage lock-out circuit section
Item
Symbol
V
CCON
V
CCOF
V
HYS
Test condition
Min.
Typ.
Max.
Unit
OFF-to-ON threshold voltage
2.80
3.00
3.20
V
ON-to-OFF threshold voltage
2.90
V
Voltage hysteresis
0.10
V
Output section
Item
Symbol
V
SAT+
V
SAT
–
Test condition
I
O
= –50mA
I
O
= 50mA
Min.
Typ.
Max.
Unit
Saturation voltage (H level)
1.50
2.00
V
Saturation voltage (L level)
1.70
2.20
V
Voltage step-up circuit section
Item
Symbol
V
OUP
Test condition
L=330
μ
H, C=1
μ
F, No load
Min.
Typ.
Max.
Unit
Output voltage
10.5
12.5
14.0
V
Overall device
Item
Symbol
I
CCST
I
CC1
I
CC2
Test condition
Min.
Typ.
Max.
Unit
μ
A
Stand-by supply current
Out pin open
0.1
10
Operating V
CC1
current
Normal operation
3.8
5.5
mA
Operating V
CC2
current
Normal operation V
CC2
=12V
OUT1, OUT2 open
Duty cycle=50%
1.5
2.2
mA