tny253 Power Integrations, Inc., tny253 Datasheet - Page 10

• Manufacturer Part Number: tny253
• Description: Energy Efficient, Low Power Off-line Switchers
• Manufacturer: Power Integrations, Inc.

10
Output
Frequency
Maximum
Duty Cycle
ENABLE Pin Turnoff
Threshold Current
ENABLE Pin
Hysteresis Current
ENABLE Pin
Voltage
ENABLE Short-
Circuit Current
DRAIN
Supply Current
BYPASS Pin
Charge Current
BYPASS Pin
Voltage
BYPASS
Hysteresis
TNY253/254/255
DRAIN Voltage ....................................... - 0.3 V to 700 V
Peak DRAIN Current (TNY253/4) ........................400 mA
Peak DRAIN Current (TNY255) ...........................530 mA
ENABLE Voltage ........................................ - 0.3 V to 9 V
ENABLE Current ...................................................100 mA
BYPASS Voltage .......................................... -0.3 V to 9 V
1. All voltages referenced to SOURCE, T
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
CONTROL FUNCTIONS
Parameter
D
4/03
Symbol
DC
I
V
f
I
V
I
I
V
ENSC
I
OSC
HYS
I
I
CH1
CH2
DIS
S1
S2
BPH
EN
BP
MAX
ABSOLUTE MAXIMUM RATINGS
SOURCE = 0 V
(MOSFET Not Switching)
V
A
V
(MOSFET Switching)
V
BP
= 25 °C.
(Unless Otherwise Specified)
BP
EN
ENABLE Open
= 0 V, T
See Note D, E
See Note B, C
See Note D, E
= 4 V, T
See Note B
= 0 V, T
S1 Open
V
T
T
V
J
EN
J
Conditions
See Figure 14
EN
= 25 °C
= -40 °C to 125 °C
= 0 V, T
= 0 V
See Note A
I
See Note D
T
EN
J
J
J
= 25 °C
J
= 125 °C
= 25 °C
;
= -25 µA
= -40 °C to 125 °C
T
J
Storage Temperature ..................................... -65 to 150 °C
Operating Junction Temperature
Lead Temperature
Thermal Impedance (θ
Thermal Impedance (θ
4. Soldered to 0.36 sq. inch (232 mm
5. Soldered to 1 sq. inch (645 mm
= -40 to 125 °C
J
= 125 °C
TNY253
TNY255
TNY253
TNY255
TNY254
TNY254
TNY253
TNY255
TNY253
TNY254
TNY255
TNY253
TNY254
TNY255
TNY253
TNY254
TNY255
TNY254
(3)
................................................ 260 °C
JA
JC
(1)
Min
1.10
) ..................................... 11 °C/W
0.60
) ................ 70 °C/W
-5.0
-6.0
-4.0
-4.8
115
-68
-68
-15
-58
-58
5.6
40
66
64
(2)
2
), 2 oz. (610 gm/m
Typ
1.45
-4.5
0.72
130
160
170
140
215
-3.5
-2.5
-3.3
................ -40 to 150 °C
2
-50
-52
-10
-42
-45
5.8
67
44
68
), 2 oz. (610 gm/m
Max
1.80
-1.8
0.85
-1.0
140
200
215
180
265
-2.0
-3.0
-30
-45
-38
6.1
-25
(4)
48
71
69
-5
, 55 °C/W
2
) copper clad.
2
) copper clad.
Units
kHz
mA
mA
(5)
µA
µA
µA
µA
µA
%
V
V
V