TC648BEOA Microchip Technology, TC648BEOA Datasheet - Page 6

• Manufacturer Part Number: TC648BEOA
• Description: IC PWM FAN SPEED CTRLR SD 8-SOIC
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC648BEOA

• 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

TC646B/TC648B/TC649B
FIGURE 1-4:
DS21755B-page 6
.01 µF
C
7
+
-
+
-
V
V
AS
R
IN
R
K
2
1
1
1 µF
C
TC646B/TC648B/TC649B Electrical Characteristics Test Circuit.
6
K
0.1 µF
0.1 µF
C
C
2
4
3
Note: C
0.1 µF
2
3
1
C
5
V
V
C
AS
IN
F
5
and C
7
are adjusted to get the necessary 1 µF value.
TC646B
TC648B
TC649B
GND
V
DD
4
8
FAULT / OTF
C
1 µF
SENSE
2
V
OUT
C
0.1 µF
1
7
6
5
R
3
+
-
K
K
3
4
V
TC646B and TC649B
DD
R
4
+
-
2003 Microchip Technology Inc.
R
Current
limited
voltage
source
6
(pulse voltage source)
V
SENSE
+
-
R
5
Current
limited
voltage
source
0.1 µF
C
8
V
DD