TOP260 datasheet(32/50 Pages) POWERINT

32 / 50 page

Rev. M 12/21

TOP252-262

www.power.com

Absolute Maximum Ratings(2)

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

DRAIN Peak Current: TOP252......................................... 0.68 A

DRAIN Peak Current: TOP253......................................... 1.37 A

DRAIN Peak Current: TOP254......................................... 2.08 A

DRAIN Peak Current: TOP255......................................... 2.72 A

DRAIN Peak Current: TOP256......................................... 4.08 A

DRAIN Peak Current: TOP257......................................... 5.44 A

DRAIN Peak Current: TOP258......................................... 6.88 A

DRAIN Peak Current: TOP259......................................... 7.73 A

DRAIN Peak Current: TOP260......................................... 9.00 A

DRAIN Peak Current: TOP261....................................... 11.10 A

DRAIN Peak Current: TOP262....................................... 11.10 A

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

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

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

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

MULTI-FUNCTION Pin Voltage............................... -0.3 V to 9 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.

Exposure 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 54

(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

TOP254-258Y

TOP255-262L

TOP252-262E

FREQUENCY Pin

Connected to CONTROL

59.4

72.6

TOP254-258Y

TOP255-262L

TOP252-262E

TOP252-258P/G/M

TOP259-261Y

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) or IM ≤ IM(DC) or

V, VM = 0 V

V or IM = 95 mA

Soft-Start Time

SOFT

J = 25 °C

PWM Gain

reg

J = 25 °C

TOP252-255

-31

-25

-20

%/mA

TOP256-258

-27

-22

-17

TOP259-262

-25

-20

-15

PWM Gain

Temperature Drift

See Note A

-0.01

%/mA/°C

External Bias Current

66 kHz Operation

TOP252-255

0.9

1.5

2.1

TOP256-258

1.0

1.6

2.2

TOP259-262

1.1

1.7

2.4

Thermal Resistance: Y Package:

(

JA) ........................................... 80 °C/W

(1)

(

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

(2)

P, G and M Packages:

(

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

(3)

; 60 °C/W(4)

(

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

(5)

E/L Package:

(

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

(1)

(

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

(2)

Notes:

1. Free standing with no heat sink.

2. Measured at the back surface of tab.

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.

5. Measured on the SOURCE pin close to plastic interface.

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