Datasheet

14
G
4/05
TNY263-268
Parameter Symbol
Conditions
SOURCE = 0 V; T
J
= -40 to 125 °C
See Figure 18
(Unless Otherwise Specified)
Min Typ Max Units
CONTROL FUNCTIONS (cont.)
BYPASS Pin
Voltage
V
BP
See Note C 5.6 5.85 6.15 V
BYPASS Pin
Voltage Hysteresis
V
BPH
0.80 0.95 1.20 V
EN/UV Pin Line
Under-Voltage
Threshold
I
LUV
T
J
= 25 °C 44 49 54 µA
CIRCUIT PROTECTION
Current Limit
I
LIMIT
TNY263
T
J
= 25 °C
di/dt = 42 mA/µs
See Note E
195 210 225
mA
TNY264
T
J
= 25 °C
di/dt = 50 mA/µs
See Note E
233 250 267
TNY265
T
J
= 25 °C
di/dt = 55 mA/µs
See Note E
255 275 295
TNY266
T
J
= 25 °C
di/dt = 70 mA/µs
See Note E
325 350 375
TNY267
T
J
= 25 °C
di/dt = 90 mA/µs
See Note E
419 450 481
TNY268
T
J
= 25 °C
di/dt = 110 mA/µs
See Note E
512 550 588
Initial Current Limit
I
INIT
See Figure 21
T
J
= 25 °C
0.65 x
I
LIMIT(MIN)
mA
Leading Edge
Blanking Time
t
LEB
T
J
= 25 °C
See Note F
170 215 ns
Current Limit
Delay
t
ILD
T
J
= 25 °C
See Note F, G
150 ns
Thermal Shutdown
Temperature
125 135 150 °C
Thermal Shutdown
Hysteresis
70 °C