Diodes AH5771 - Manual (Page 3)

AH5771
SINGLE PHASE HALL EFFECT LATCH SMART FAN
MOTOR CONTROLLER
AH5771 Rev. 3 3 of 6 JUNE 2009
DS31656 www.diodes.com © Diodes Incorporated
Logic
Block
Lock
Detector
Hall
Sensor
AMP
V
dd
O1
O2
Regulator
V
SS
Q1
Q2
Q4
Q3
Full Bridge Driver
Absolute Maximum Ratings
(Unless otherwise noted, at T A = 25
°C)
Symbol Characteristics Values Unit
Vdd Supply voltage 18 V
I
O
(peak as hold)
Output Current (Peak as hold) 400 mA
P
D
Power Dissipation SIP-4L 550 mW
T
ST
Storage Temperature Range -55 ~ 150 o C
Recommended Operating Conditions
Symbol Characteristics Conditions Ratings Unit
Vdd Supply voltage Operating 2.5~15 V
T A Operating Temperature Range Operating -40 to +100
°C
Symbol Characteristics Conditions Min Typ. Max Unit
Idd Supply Current No Load - 3.5 5 mA
V
OH
Output Voltage High I
OUT
= 200mA 11.4 - - V
V
OL
Output Voltage Low I
OUT
= 200mA - - 0.6 V
T
ON
On Time Vdd = 12V - 220 - ms
R
DR
Duty Ratio T
OFF
/ T
ON
- 10 -
Block Diagram
Electrical Characteristics
(T A = 25
°C, Vdd
= 12V; unless otherwise specified)