TC649BEOA Microchip Technology, TC649BEOA Datasheet - Page 5

• Manufacturer Part Number: TC649BEOA
• Description: IC PWM FAN SPEED CTRLR SD 8-SOIC
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC649BEOA

• Applications: Fan Controller, Brushless (BLDC)
• Number Of Outputs: 1
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Motor Type: PWM
• No. Of Outputs: 1
• Output Current: 5mA
• Output Voltage: 4.4V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Product: Fan / Motor Controllers / Drivers
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 400 uA
• Mounting Style: SMD/SMT
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

TIMING SPECIFICATIONS
FIGURE 1-1:
FIGURE 1-2:
FIGURE 1-3:
2003 Microchip Technology Inc.
FAULT / OTF
SENSE
SENSE
FAULT
FAULT
SENSE
V
V
OUT
OUT
V
OUT
33.3 msec (C
TC646B/TC648B/TC649B Start-up Timing.
Fan Fault Occurrence (TC646B and TC649B).
Recovery From Fan Fault (TC646B and TC649B).
t
STARTUP
F
= 1 µF)
Minimum 16 pulses
t
MP
t
MP
TC646B/TC648B/TC649B
t
DIAG
t
MP
(TC646B and TC649B)
DS21755B-page 5