tny256 Power Integrations, Inc., tny256 Datasheet - Page 9

• Manufacturer Part Number: tny256
• Description: Energy Efficient, Low Power Off-line Switcher
• Manufacturer: Power Integrations, Inc.

Output
Frequency
Maximum
Duty Cycle
EN/UV Pin Turnoff
Threshold Current
EN/UV Pin
Hysteresis Current
EN/UV Pin
Voltage
EN/UV Short-
Circuit Current
DRAIN
Supply Current
BYPASS Pin
Charge Current
DRAIN Voltage ....................................... - 0.3 V to 700 V
Peak DRAIN Current ............................................. 800 mA
EN/UV Voltage ............................................ - 0.3 V to 9 V
EN/UV Current ...................................................... 100 mA
Thermal Impedance: Y Package (
1. All voltages referenced to SOURCE, T
2. Normally limited by internal circuitry.
CONTROL FUNCTIONS
Parameter
P/G Package:
(
(
Symbol
JA
JC
DC
)
I
) ........ 45 C/W
f
I
V
I
I
I
ENSC
(2)
OSC
HYS
I
I
CH1
CH2
DIS
S1
S2
EN
MAX
.......................... 11 C/W
(
JA
JC
)
)
(1)
(2)
ABSOLUTE MAXIMUM RATINGS
............... 70 C/W
................. 2 C/W
See Figure 4
SOURCE = 0 V
A
V
T
= 25 C.
EN/UV
J
(Unless Otherwise Specified)
(3)
THERMAL IMPEDANCE
= 25 C
; 35 C/W
(MOSFET Not Switching)
V
= 0 V, T
(MOSFET Switching)
EN/UV
V
T
V
J
BP
BP
= -40 C to 125 C
See Note B, C
See Note D, E
See Figure 14
See Note D, E
I
EN/UV Open
= 0 V, T
Conditions
I
= 4 V, T
EN/UV
See Note A
= 0 V, T
See Note B
EN/UV
T
V
S1 Open
J
EN/UV
(4)
= 125 C
J
;
= -40 C to 125 C
= 25 A
= -25 A
T
1. Free standing with no heatsink.
2. Measured at tab closest to plastic interface or source pin.
3. Soldered to 0.36 sq. inch (232mm
4. Soldered to 1 sq. inch (645mm
= 0 V
BYPASS Voltage .......................................... -0.3 V to 9 V
Storage Temperature ..................................... -65 to 150 C
Operating Junction Temperature
Lead Temperature
3. 1/16" from case for 5 seconds.
Peak-Peak Jitter
J
J
J
J
= -40 to 125 C
clad.
= 25 C
= 25 C
= 125 C
Average
(3)
................................................ 260 C
(1)
1.10
-7.50
1.85
-6.00
Min
-68
-68
-15
-58
-58
115
3.8
63
2
(2)
), 2oz. (610 gm/m
-5.50
-4.10
Typ
-10
1.45
130
2.70
170
255
-50
................ -40 to 150 C
-52
-40
-45
5.0
66
2
), 2oz (610 gm/m
Max
1.80
3.25
-2.25
215
-3.75
-28
-41
-25
-35
140
300
6.2
-5
69
TNY256
2
) copper clad
2
) copper
Units
7/01
kHz
mA
mA
C
%
V
A
A
A
A
A
9