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6

Electrical Characteristics

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

Zero-Current Detect Section

Input Voltage Threshold

(

4

)

1.35

1.50

1.65

V

Detect Hysteresis

(

4

)

0.05

0.10

0.15

V

5.5

6.2

7.5

V

Input Low Clamp Voltage

0

0.65

1.00

V

Input Bias Current

-1.0

-0.1

1.0

µA

Source Current Capability

(

4

)

-4

mA

Sink Current Capability

(

4

)

10

mA

Maximum Delay From ZCD to Output

Turn-On

(

4

)

dV/dt=-1 V/100 ns, from

5 V to 0 V

100

200

ns

Output Section

Output Voltage High

9.2

11.0

12.8

V

Output Voltage Low

1.0

2.5

V

Rising Time

(

4

)

50

100

ns

Falling Time

(

4

)

50

100

ns

Maximum Output Voltage

11.5

13.0

14.5

V

Output Voltage w ith UVLO Activated

1

V

Restart / Maxim um Sw itching Frequency Lim it Section

Restart Timer Delay

50

150

300

µs

Maximum Sw itching Frequency

(

4

)

250

300

350

kHz

Soft-Start Tim er Section

Internal Soft-Soft

(

4

)

3

5

7

ms

Protections

OVP Threshold Voltage at INV Pin

2.620

2.675

2.730

V

0.120

0.175

0.230

V

2.740

2.845

2.960

V

OVP Hysteresis at OVP Pin

0.345

V

Enable Threshold Voltage

0.40

0.45

0.50

V

Enable Hysteresis

0.05

0.10

0.15

V

Thermal Shutdow n Temperature

(

4

)

125

140

155

°C

Hysteresis Temperature of TSD

(

4

)

60

°C

Note:

4.

These parameters, although guaranteed by design, are not production tested.