Copyright

© ANPEC Electronics Corp.

Rev. A.3 - Sep., 2012

APW8811

www.anpec.com.tw

5

Electrical Characteristics (Cont.)

APW8811

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

PWM CONTROLLERS (CONT.)

UGATEx Minimum On-Time

80

110

140

ns

Minimum Ultrasonic SKIP Operating

Frequency

25

37

-

kHz

LOW DROUPUT LINEAR REGULATORS (LDO5/LDO3)

LDO5 Output Voltage

4.8

5.0

5.2

V

LDO3 Output Voltage

3.2

3.33

3.46

V

VOUT1 Regulation Voltage Rising

4.55

4.7

4.85

LDO5 Bypass Threshold for

VOUT1-to-LDO5 Switch On

Hysteresis

0.15

0.25

0.3

V

VOUT2 Regulation Voltage Rising

3.05

3.15

3.25

LDO3 Bypass Threshold for

VOUT2-to-LDO3 Switch On

Hysteresis

0.1

0.2

0.25

V

VOUTx-to-LDOx Switch On Resistance

VOUTx to LDOx, 10mA

-

1.5

3

Ω

LDOx Current-Limit

VOUTx = GND, LDOx = GND

150

-

-

mA

LDOx Discharge On Resistance

-

40

65

Ω

REFFERENCE

REF Output Voltage

1.98

2.00

2.02

V

REF Load Regulation

µA

-

10

-

mV

REF Sink Current

REF in Regulation

10

-

-

µA

PWM 1/2 PROTECTIONS

Over-Voltage Protection Threshold

120

125

130

%

Over-Voltage Fault Propagation Delay

Delta voltage = 10mV

-

1.5

-

µs

9.4

10

10.6

µA

Current-Limit Current Source

On the basis of 25

-

4500

2

ppm/

ILIMx Adjustment Range

0.515

-

2

V

Maximum setting voltage

Threshold

205

250

-

mV

Current-limit comparator offset

-8

0

8

mV

Zero-Crossing Threshold

-5

0

5

mV

Under-Voltage Protection Threshold

65

70

75

%

Under-Voltage Protection Hysteresis

-

3

-

%

Under-Voltage Protection Debounce

Interval

22

32

42

µs

Under-Voltage Protection Enable

Blanking Time

From EN signal go high to UVP

workable

-

2

2.6

ms

-

160

-

Over-Temperature Protection THreshold

Hysteresis

-

25

-

Refer to the typical application circuits. These specifications apply over V

specified. Typical values are at T