Datasheet

16
F
4/06
TNY274-280
Parameter Symbol
Conditions
SOURCE = 0 V; T
J
= -40 to 125 °C
See Figure 16
(Unless Otherwise Specified)
Min Typ Max Units
CIRCUIT PROTECTION (cont.)
Power Coefficient
I
2
f
Standard Current
Limit, I
2
f = I
LIMIT(TYP)
2
× f
OSC(TYP)
TNY274-280P
0.9 ×
I
2
f
I
2
f
1.12 ×
I
2
f
A
2
Hz
TNY274-280G
0.9 ×
I
2
f
I
2
f
1.16 ×
I
2
f
Reduced Current
Limit, I
2
f =
I
LIMITred(TYP)
2
× f
OSC(TYP)
TNY274-280P
0.9 ×
I
2
f
I
2
f
1.16 ×
I
2
f
TNY274-280G
0.9 ×
I
2
f
I
2
f
1.20 ×
I
2
f
Increased Current
Limit, I
2
f = I
LIMITinc(TYP)
2
× f
OSC(TYP)
TNY274-280P
0.9 ×
I
2
f
I
2
f
1.16 ×
I
2
f
TNY274-280G
0.9 ×
I
2
f
I
2
f
1.20 ×
I
2
f
Initial Current Limit
I
INIT
See Figure 19
T
J
= 25 °C, See Note G
0.75 ×
I
LIMIT(MIN)
mA
Leading Edge
Blanking Time
t
LEB
T
J
= 25 °C
See Note G
170 215 ns
Current Limit
Delay
t
ILD
T
J
= 25 °C
See Note G, H
150 ns
Thermal Shut-
down Temperature
T
SD
135 142 150 °C
Thermal Shut-
down Hysteresis
T
SDH
75 °C
BP/M Pin Shut-
down Threshold
Current
I
SD
4 6.5 9 mA
BP/M Pin Power-
Up Reset Thresh-
old Voltage
V
BP/M(RESET)
1.6 2.6 3.6 V
OUTPUT
ON-State
Resistance
R
DS(ON)
TNY274
I
D
= 25 mA
T
J
= 25 °C 28 32
Ω
T
J
= 100 °C 42 48
TNY275
I
D
= 28 mA
T
J
= 25 °C 19 22
T
J
= 100 °C 29 33
TNY276
I
D
= 35 mA
T
J
= 25 °C 14 16
T
J
= 100 °C 21 24