AH2984-PG-B Diodes Inc, AH2984-PG-B Datasheet - Page 2

• Manufacturer Part Number: AH2984-PG-B
• Description: IC FAN CONTROLLER BLDC 4SIP
• Manufacturer: Diodes Inc
• Type: Two Phase Hall Effect Smart Fan Motor Controllerr

Specifications of AH2984-PG-B

• Applications: Fan Controller, 2 Phase
• Number Of Outputs: 1
• Current - Output: 500mA
• Voltage - Supply: 2.5 V ~ 15 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Through Hole
• Package / Case: 4-SIP
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 2.5 V to 15 V
• Supply Current: 3.5 mA
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: AH2984-PG-BDI

Typical Application Circuit
(1) For SIP-4L
(2) For SOT89-5L
Notes: 1. D1 (Zener Diode) and Capacitor C are for power stabilization. Recommended value of C is 1uF/ 50V (E-Cap).
Pin Descriptions
AH2984
Document number: DS31698 Rev. 3 - 2
Pin Name
DOB
GND
Vdd
DO
NC
Diode D2 is optional and helps to protect the device and fan coils from reverse power conditions. The AH2984 also includes an
internal reverse blocking diode at Vdd pin.
SIP-4L
2
3
1
4
-
12V
Vdd (12V)
SOT89-5L
1
3
4
2
5
D1
D1
(Note 1)
Vdd
Input Power
Output Pin
Output Pin
Ground
No Connection
C
C
12V Brushless DC Fan
12V Brushless DC Fan
Description
Vdd
1
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TWO PHASE HALL-EFFECT SMART FAN MOTOR
AH2984
DO DOB GND
2
2 of 11
3
Vdd
NC
5
1
4
AH2984
GND
GND
GND
GND
D2
2
D2
DOB
DO
4
3
L1
L1
L2
L2
CONTROLLER
AH2984
© Diodes Incorporated
May 2010