© 2006 Fairchild Semiconductor Corporation

www.fairchildsemi.com

FAN2106 Rev. 1.0.1

5

Electrical Specifications

Recommended operating conditions are the result of using the circuit shown in Figure 1 unless otherwise noted.

Parameter

Conditions

Min.

Typ.

Max.

Unit

Power Supplies

8

12

mA

7

10

µA

2.2

4.5

mA

4.1

4.3

4.5

V

Hysteresis

300

mV

Power Output Section

30

35

m

Ω

14

16

m

Ω

Oscillator

255

300

345

KHz

Frequency

540

600

660

KHz

Minimum On-Time

(2)

50

65

nsec

Ramp Amplitude, pk–pk

0.53

V

Minimum Off-Time

(2)

100

150

nsec

Reference

FAN2106M, 25°C

794

800

806

mV

FAN2106EM, 25°C

795

800

805

mV

Error Amplifier

DC Gain

(2)

80

85

dB

Gain Bandwidth Product

(2)

12

15

MHz

0.4

3.2

V

Output Current, Sourcing

1.5

2.2

mA

Output Current, Sinking

0.8

1.2

mA

FB Bias Current

-850

-650

-450

nA

Protection and Shutdown

Current Limit

6

8

10

A

-11

-10

-9

µA

Over-Temperature Shutdown

Die temperature

150

°C

Over-Temperature Hysteresis

Die temperature

25

°C

Over-Voltage Threshold

2 consecutive clock cycles

110

115

120

Under-Voltage Shutdown

16 consecutive clock cycles

68

73

78

Fault Discharge Threshold

Measured at FB pin

250

mV

Fault Discharge Hysteresis

250

mV

Note:

2.

Specifications guaranteed by design and characterization; not production tested.