TOP412/414
Conditions
(Unless Otherwise Specified)
See Figure 11
Specification
Symbol
Min
Typ
Max
Units
SOURCE = 0 V
TJ = -40 to 125 °C
SHUTDOWN/AUTO-RESTART
-2.4
-2.0
-1.9
-1.5
-1.2
-0.8
VC = 0 V
VC = 5 V
CONTROL Pin
Charging Current
IC
mA
TJ = 25 °C
Charging Current
Temperature Drift
See Note A
%/°C
0.4
Auto-restart
VC(AR)
S1 open
S1 open
S1 open
S1 open
S1 open
V
V
5.7
4.7
Threshold Voltage
UV Lockout
Threshold Voltage
Auto-restart
Hysteresis Voltage
0.6
1.0
5
V
Auto-restart
Duty Cycle
8
%
Hz
Auto-restart
Frequency
1.2
CIRCUIT PROTECTION
TOP412
2.00
2.95
2.90
4.25
Self-protection
Current Limit
di/dt = 400 mA/µs, TJ = 25 °C
TOP414
ILIMIT
A
di/dt = 600 mA/µs, TJ = 25 °C
Leading Edge
ns
ns
°C
mA
V
tLEB
IC = 4 mA
IC = 4 mA
150
100
145
45
Blanking Time
Current Limit
Delay
tILD
Thermal Shutdown
Temperature
IC = 4 mA
125
25
Latched Shutdown
Trigger Current
ISD
See Figure 10
S2 open
75
Power-up Reset
Threshold Voltage
VC(RESET)
2.0
3.3
4.2
A
4/99
9
POWERINT [ Power Integrations ]
