Rev. F 05/18

14

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Parameter

Symbol

Conditions

T

J = -25 to 125 °C

(Unless Otherwise Specified)

Min

Typ

Max

Units

Normal Operating Conditions

External Supply

Voltage

V

VCC

5

16.5

V

Transformer

Resonance frequency

(In-Circuit)

f

RES

180

1200

kHz

Thermal Shutdown

Temperature

T

SD

130

140

150

°C

Thermal Shutdown

Hysteresis

T

SDH

70

°C

VOLTAGE SUPPLY Pin

Easy Start

Enable Voltage

V

CC(ES)

LNK4114D / LNK4214D

6

V

LNK4115D / LNK4215D for N

STARTUP Cycles,

then 6 V

10

Supply Voltage

V

VCC(RUN)

To Enter Initialize Mode

11.5

13.5

15.5

V

V

VCC(SLEEP)

4.5

5.1

V

VCC(LOW)

5

Supply Current

I

VCC(RUN)

Average at f

MAX, Excluding Base Drive Current

2

mA

I

VCC(NL)

No-Load

0.6

I

VCC(SLEEP)

In Sleep Mode

15

mA

VCC Shunt Trigger

Level

V

CC(HI)

LNK4XX3D / LNK4XX4D / LNK4XX5D

15.5

V

FEEDBACK Pin

Feedback

Regulation Level

V

FB(REG)

T

J = 25 °C

1.96

1.98

2.00

V

Feedback Input

Resistance

R

FB(IN)

Effective Input Resistance

0 < V

FB < 5

2

MΩ

Feedback OVP Ratio

G

FB(OVP)

1.19

1.20

1.21

Feedback UVP Ratio

G

FB(UVP)

LNK40x3D/S

0.62

0.63

0.64

Thermal Resistance

Thermal Resistance: D Package: (SO-8)

(q

JA) ................................................. 120 °C/W

(q

JB)

1,2

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

S Package (SOT-23-6)

(q

JA) ................................................. 170 °C/W

(q

JB)

2

..................................................60 °C/W

Notes:

1. IC mounted on typical (1oz) copper clad PCB with 164 mm2

ground plane surrounding GROUND pin(s).

2. q

JB measured to GROUND pin terminal of device at the surface

of the PCB.

Absolute Maximum Ratings1

SUPPLY VOLTAGE Pin ..................................................-0.5 V to 18 V

FEEDBACK Pin Input Voltage ........................................ -0.5 V to 4 V

FEEDBACK Pin Input Current .................................. -20 mA to 20 mA

CURRENT SENSE Pin Input Voltage............................... -0.5 V to 4 V

CURRENT SENSE Pin Input Current......................... -20 mA to 20 mA

BASE DRIVE Pin Voltage..............................................-0.5 V to 18 V

EMITTER DRIVE Pin Voltage........................................-0.5 V to 18 V

SUPPLEMENTARY BASE DRIVE Pin Voltage...................-0.5 V to 18 V

Junction Temperature ................................................. -40 to 150 °C

Lead Temperature2................................................................260 °C

Notes:

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

without causing permanent damage to the product. Exposure to

Absolute Maximum ratings for extended periods of time may

affect product reliability.

2. Soldering, 10 seconds.