TC78B002FNG
2013-10-17
7
Characteristics
Symbol
Test conditions
Min
Typ.
Max
Unit
FG
RDO
pin
Output low voltage
V
OUT
(L)
I
FG/RDO
=5mA
0.3
V
Output leakage current
I
OUT
(H)
V
FG/RDO
=5V
1
μ
A
Current limit detecting voltage for RS pin
V
RS
0.27
0.3
0.33
V
Masking time of current limit detection
T
mask
(Design target value) (Note 1)
1.2
1.5
1.8
μ
s
Operating current of over current protection
I
LIM
(Design target value) (Note 1)
2.5
A
Masking time of over current protection
T
ISDMASK
(Design target value) (Note 1)
2
μ
s
OFF time of over current protection
T
ISDOFF
(Design target value) (Note 1)
100
ms
Operating temperature of thermal shutdown
circuit
T
SD
Junction temperature
(Design target value) (Note 1)
170
℃
Hysteresis of thermal shutdown circuit
ΔT
SD
(Design target value) (Note 1)
40
℃
ON time of lock detection
T
ON
R
OSC
=24kΩ
(Design target value) (Note 1)
0.32
0.4
0.48
s
OFF time of lock detection
T
OFF
R
OSC
=24kΩ
(Design target value) (Note 1)
3.2
4
4.8
s
Detecting voltage for low voltage
V
UVLO
Operation voltage
(Design target value) (Note 1)
2.6
2.9
3.2
V
V
PORRL
Recovery voltage
(Design target value) (Note 1)
2.9
3.2
3.5
V
Output switching characteristics
t
r
(Design target value) (Note 1)
100
ns
t
f
(Design target value) (Note 1)
100
Note 1: Pre-shipment testing is not performed.
