TOP264VG datasheet(27/40 Pages) POWERINT

部件名	TOP264VG

功能描述	Integrated Off-Line Switcher with EcoSmart Technology for Highly Efficient Power Supplies

PDF	40 Pages

Scroll/Zoom	100%

制造商	POWERINT [Power Integrations, Inc.]

网页	http://www.powerint.com

标志

27 / 40 page

Rev. E 08/12

TOP264-271

www.powerint.com

Parameter

Symbol

Conditions

SOURCE = 0 V; T

J = -40 to 125 °C

(Unless Otherwise Specified)

Min

Typ

Max

Units

Circuit Protection

Self Protection

Current Limit

(See Note D)

LIMIT

TOP264

J = 25 °C

di/dt = 270 mA/

1.209

1.30

1.391

TOP265

J = 25 °C

di/dt = 350 mA/

1.581

1.70

1.819

TOP266

J = 25 °C

di/dt = 530 mA/

2.371

2.55

2.728

TOP267

J = 25 °C

di/dt = 625 mA/

2.800

3.01

3.222

TOP268

J = 25 °C

di/dt = 675 mA/

3.023

3.25

3.478

TOP269

J = 25 °C

di/dt = 720 mA/

3.236

3.48

3.723

TOP270

J = 25 °C

di/dt = 870 mA/

3.906

4.20

4.494

TOP271

J = 25 °C

di/dt = 1065 mA/

4.808

5.17

5.532

Initial Current Limit

INIT

See Note C

0.70 ×

LIMIT(MIN)

Power Coefficient

COEFF

J = 25 °C,

See Note E

X ≤ - 165 mA

0.9 × I2f

I2f

1.2 × I2f

A2kHz

X ≤ - 117 mA

0.9 × I2f

I2f

1.2 × I2f

Leading Edge

Blanking Time

LEB

J = 25 °C, See Figure 34

220

Current Limit Delay

IL(D)

100

Thermal Shutdown

Temperature

135

142

150

°C

Thermal Shutdown

Hysteresis

°C

Power-Up Reset

Threshold Voltage

C(RESET)

Figure 35 (S1 Open Condition)

1.75

3.0

4.25

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