ALO20B48 datasheet(4/30 Pages) ASTEC

4 / 30 page

Technical Reference Notes

AEO_ALO40/35/30/20/10x48 Series

(Single Output 8

th Brick)

MODEL: AEO40x48 / ALO40x48 SERIES

SHEET 4 OF 30

JUNE 24, 2005 - REVISION B

Electrical Specifications (continued)

OUTPUT SPECIFICATIONS

Parameter

Device

Symbol

Min

Typical

Max

Unit

Efficiency

VIN = VIN,NOM; IO = IO,MAX

TA = 25 ºC;

B (12V)

A (5.0V)

F (3.3V)

G (2.5V)

Y (1.8V)

M (1.5V)

K (1.2V)

91.0

92.0

90.0

89.0

88.0

85.5

84.0

92.0

93.0

91.0

90.0

89.5

88.0

86.0

93.0

94.0

93.0

92.0

90.5

89.5

87.5

Output Over Voltage Protection

Non-latching / autorecovery

B (12V)

A (5.0V)

F (3.3V)

G (2.5V)

Y (1.8V)

M (1.5V)

K (1.2V)

VO,OVP

13.80

5.80

3.80

2.90

2.10

1.75

1.38

14.40

6.00

4.00

3.00

2.30

1.85

1.50

15.00

6.20

4.30

3.20

2.50

2.38

1.80

Over Temperature Protection

Autorecovery

All

110

120

°C

Input to Output Turn-On Delay

VIN = VIN,NOM, IO = IO,MAX

All

5V, 12V

Enable to Output Turn-On Delay

VIN = VIN,NOM, IO = IO,MAX

All

5V, 12V

Output Voltage Rise Time

10% to 90% of VO,NOM

VIN = VIN,NOM, IO = IO,MAX

All

12V

3.0

4.0

9.0

11.0

16.0

Switching Frequency

All

FSW

380

450

520

kHz

Output Voltage Remote Sensing

All

%VO

Output Voltage Trim Range

All

110

%VO

Output Voltage Overshoot

All

%Vo

Dynamic Response

di/dt = 0.1 A/

µs

Peak Deviation

∆I

O = 50% to 75% of Iomax

Settling Time

Vref = Vonom

Peak Deviation

∆I

O = 50% to 25% of Iomax

Settling Time

Vref = Vonom

All

250

µs

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