Rev. F 08/16

10

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TNY253/254/255

TNY253/254/255

Storage Temperature...................................... -65 to 150 °C

Operating Junction Temperature(2) ................ -40 to 150 °C

Lead Temperature(3) .................................................260 °C

Thermal Impedance (θ

JA)..................70 °C/W

(4)

, 55 °C/W(5)

Thermal Impedance (θ

JC) ....................................... 11 °C/W

4. Soldered to 0.36 sq. inch (232 mm2), 2 oz. (610 gm/m2) copper clad.

5. Soldered to 1 sq. inch (645 mm2), 2 oz. (610 gm/m2) copper clad.

6. The higher peak drain current is allowed while the drain

voltage is simultaneously less than 400 V.

ABSOLUTE MAXIMUM RATINGS(1)

DRAIN Voltage ..........................................-0.3 V to 700 V

Peak DRAIN Current (TNY253/4) ............400 (500) mA(6)

Peak DRAIN Current (TNY255) ...............530 (660) mA(6)

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

A = 25 °C.

2. Normally limited by internal circuitry.

3. 1/16" from case for 5 seconds.

40

44

48

66

68

71

-68

-50

-30

-15

-10

-5

1.10

1.45

1.80

-58

-42

-25

160

200

140

180

-2.5

5.8

0.72

CONTROL FUNCTIONS

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

kHz

%

µA

µA

V

µA

µA

µA

mA

mA

V

V

Min

Typ

Max

f

OSC

DC

MAX

I

DIS

I

HYS

V

EN

I

ENSC

I

S1

I

S2

I

CH1

I

CH2

V

BP

V

BPH

Parameter

Symbol

(Unless Otherwise Specified)

See Figure 14

Conditions

TNY253

TNY255

TNY253

TNY254

TNY255

TNY253

TNY254

TNY255

TNY253

TNY254

TNY255

130

215

-4.5

-3.3

TNY254

ENABLE Open

(MOSFET Switching)

See Note B, C

T

J = 25 °C

115

140

265

-2.0

-5.0

-3.5

-4.0

-1.0

5.6

6.1

0.60

0.85

Units

SOURCE = 0 V

; T

J = -40 to 125 °C

TNY253

TNY255

67

TNY254

T

J = -40 °C to 125 °C

T

J = 125 °C

-68

-52

-45

V

EN = 0 V, TJ = -40 °C to 125 °C

V

EN = 0 V, TJ = 125 °C

-58

-45

-38

V

BP = 0 V, TJ = 25 °C

See Note D, E

V

BP = 4 V, TJ = 25 °C

See

Note D, E

64

69

-4.8

-1.8

-6.0

-3.0

170

215

TNY253

TNY254

TNY255

S1 Open

See Note A

I

EN = -25 µA

V

EN = 0 V

(MOSFET Not Switching)

See Note B

See Note D