TOP264VG datasheet(24/40 Pages) POWERINT

24 / 40 page

Rev. E 08/12

TOP264-271

www.powerint.com

Absolute Maximum Ratings(2)

DRAIN Pin Peak Voltage ..................................... -0.3 V to 725 V

DRAIN Pin Peak Current: TOP264................................... 2.08 A

DRAIN Pin Peak Current: TOP265................................... 2.72 A

DRAIN Pin Peak Current: TOP266................................... 4.08 A

DRAIN Pin Peak Current: TOP267................................... 5.44 A

DRAIN Pin Peak Current: TOP268................................... 6.88 A

DRAIN Pin Peak Current: TOP269................................... 7.73 A

DRAIN Pin Peak Current: TOP270................................... 9.00 A

DRAIN Pin Peak Current: TOP271................................. 11.10 A

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

CONTROL Pin Current .................................................. 100 mA

VOLTAGE MONITOR Pin Voltage ........................... -0.3 V to 9 V

CURRENT LIMIT Pin Voltage .............................. -0.3 V to 4.5 V

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

Storage Temperature ...................................... -65

°C to 150 °C

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

Lead Temperature(1) ........................................................260 °C

Notes:

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

2. Maximum ratings specified may be applied one at a time

without causing permanent damage to the product. Expo

sure to Absolute Maximum Rating conditions for extended

periods of time may affect product reliability.

Thermal Resistance

Parameter

Symbol

Conditions

SOURCE = 0 V; T

J = -40 to 125 °C

See Figure 35

(Unless Otherwise Specified)

Min

Typ

Max

Units

Control Functions

Switching Frequency

in Full Frequency

Mode (average)

OSC

J = 25 °C

FREQUENCY Pin

Connected to SOURCE

119

132

145

kHz

FREQUENCY Pin

Connected to CONTROL

59.4

72.6

Frequency Jitter

Deviation

132 kHz Operation

±5

kHz

66 kHz Operation

±2.5

Frequency Jitter

Modulation Rate

250

Maximum Duty Cycle

MAX

C = ICD1

V ≤ IV(DC)

V = 0 V

V = 95 mA

Soft-Start Time

SOFT

J = 25 °C

PWM Gain

REG

J = 25 °C

B < IC < IC01

See Note C

TOP264-265

-62

-50

-40

%/mA

TOP266-268

-54

-44

-34

TOP269-271

-50

-40

-30

J = 25 °C

C ≥ IC01

See Note A

TOP264-265

-61

-51

-41

TOP266-268

-60

-50

-40

TOP269-271

-57

-48

-38

PWM Gain

Temperature Drift

See Note B

-0.01

%/mA/°C

External Bias Current

66 kHz Operation

TOP264-265

0.8

1.4

2.0

TOP266-268

0.9

1.5

2.1

TOP269-271

1.0

1.6

2.2

Thermal Resistance: E Package

(

JA) .......................................... 105 °C/W

(1)

(

JC) .............................................. 2 °C/W

(2)

V Package

(

JA) .......................... .68 °C/W

(3)

, 58 °C/W(4)

(

JC) .............................................. 2 °C/W

(2)

K Package

(

JA) ...........................45 °C/W

(3)

, 38 °C/W(4)

(

JC) .............................................. 2 °C/W

(2)

Notes:

1. Free standing with no heat sink.

2. Measured at the back surface of tab.

3. Soldered (including exposed pad for K package) to typical

application PCB with a heat sinking area of 0.36 sq. in. (232mm2),

2 oz. (610 g/m2) copper clad.

4. Soldered (including exposed pad for K package) to typical

application PCB with a heat sinking area of 1 sq. in. (645 mm2),

2 oz. (610 g/m2) copper clad.

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