AOZ1073

Rev. 1.1 September 2008

www.aosmd.com

Page 4 of 15

Electrical Characteristics

(3)

Note:

3. Specifications in BOLD indicate an ambient temperature range of -40°C to +85°C. These specifications are guaranteed by design.

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Units

Supply Voltage

4.5

16

V

Input Under-Voltage Lockout Threshold

4.1

3.7

V

Supply Current (Quiescent)

1.6

2.5

mA

Shutdown Supply Current

320

µA

Feedback Voltage

0.788

0.8

0.812

V

Load Regulation

0.5

%

Line Regulation

1%

Feedback Voltage Input Current

200

nA

ENABLE

EN Input Threshold

Off Threshold

On Threshold

2

0.6

V

EN Input Hysteresis

100

mV

MODULATOR

Frequency

350

500

600

kHz

Maximum Duty Cycle

100

%

Minimum Duty Cycle

6%

Error Amplifier Voltage Gain

500

V / V

Error Amplifier Transconductance

200

µA / V

PROTECTION

Current Limit

3.5

5.0

A

Output Over-Voltage Protection Threshold

Off Threshold

On Threshold

960

940

mV

Over-Temperature Shutdown Limit

150

100

°C

Soft Start Interval

3

5

6.5

ms

PWM OUTPUT STAGE

High-Side Switch On-Resistance

85

120

115

170

m

Ω

Low-Side Switch On-Resistance

30

50

36

60

m

Ω