LNK302 datasheet(9/18 Pages) POWERINT

Part #	LNK302

Description	Lowest Component Count, Energy-Efficient Off-Line Switcher IC

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Manufacturer	POWERINT [Power Integrations, Inc.]

Direct Link	http://www.powerint.com

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9 / 18 page

Rev. J 06/13

9

LNK302/304-306

www.powerint.com

Absolute Maximum Ratings(1,5)

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

DRAIN Pin Peak Current: LNK302...................... 200 (375) mA(2)

LNK304...................... 400 (750) mA(2)

LNK305.................... 800 (1500) mA(2)

LNK306.................. 1400 (2600) mA(2)

FEEDBACK Pin Voltage .......................................... -0.3 V to 9 V

FEEDBACK Pin Current................................................. 100 mA

BYPASS Pin Voltage............................................... -0.3 V to 9 V

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

Operating Junction Temperature(3) .................. -40 °C to 150 °C

Lead Temperature(4) .........................................................260 °C

Notes:

1. All voltages referenced to SOURCE, T

A = 25 °C.

2. The higher peak DRAIN current is allowed if the DRAIN

to SOURCE voltage does not exceed 400 V.

3. Normally limited by internal circuitry.

4. 1/16 in. from case for 5 seconds.

5. Maximum ratings specified may be applied, one at a time,

without causing permanent damage to the product.

Exposure to Absolute Maximum Rating conditions for

extended periods of time may affect product reliability.

Thermal Resistance

Thermal Resistance: P or G Package:

(

q

JA) ................................ 70 °C/W

(3)

; 60 °C/W(4)

(

q

JC)

(1)

.................................................11 °C/W

D Package:

(

q

JA) .............................. 100 °C/W

(3)

; 80 °C/W(4)

(

q

JC)

(2)

.................................................30 °C/W

Notes:

1. Measured on pin 2 (SOURCE) close to plastic interface.

2. Measured on pin 8 (SOURCE) close to plastic interface.

3. Soldered to 0.36 sq. in. (232 mm2), 2 oz. (610 g/m2) copper clad.

4. Soldered to 1 sq. in. (645 mm2), 2 oz. (610 g/m2) copper clad.

Parameter

Symbol

Conditions

SOURCE = 0 V; T

J = -40 to 125 °C

See Figure 7

(Unless Otherwise Specified)

Min

Typ

Max

Units

Control Functions

Output

Frequency

f

OSC

T

J = 25 °C

Average

62

66

70

kHz

Peak-Peak Jitter

4

Maximum Duty Cycle

DC

MAX

S2 Open

66

69

72

%

FEEDBACK Pin Turnoff

Threshold Current

I

FB

T

J = 25 °C

30

49

68

mA

FEEDBACK Pin Voltage

at Turnoff Threshold

V

FB

1.54

1.65

1.76

V

DRAIN Pin

Supply Current

I

S1

V

FB ≥2 V

(MOSFET Not Switching)

See Note A

160

220

mA

I

S2

FEEDBACK Open

(MOSFET

Switching)

See Notes A, B

LNK302/304

200

260

mA

LNK305

220

280

LNK306

250

310

BYPASS Pin

Charge Current

I

CH1

V

BP = 0 V

T

J = 25 °C

LNK302/304

-5.5

-3.3

-1.8

mA

LNK305/306

-7.5

-4.6

-2.5

I

CH2

V

BP = 4 V

T

J = 25 °C

LNK302/304

-3.8

-2.3

-1.0

LNK305/306

-4.5

-3.3

-1.5

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