TC648BEOA Microchip Technology, TC648BEOA Datasheet - Page 3

• 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

1.0
Absolute Maximum Ratings†
Supply Voltage (V
Input Voltage, Any Pin................(GND - 0.3V) to (V
Operating Temperature Range ....................- 40°C to +125°C
Maximum Junction Temperature, T
ESD Protection on all pins ........................................... > 3 kV
† Notice: Stresses above those listed under “Maximum
Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at
those or any other conditions above those indicated in the
operational listings of this specification is not implied. Expo-
sure to maximum rating conditions for extended periods may
affect device reliability.
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, all limits are specified for -40°C < T
Supply Voltage
Supply Current, Operating
Supply Current, Shutdown Mode
V
Sink Current at V
Source Current at V
V
Input Voltage at V
Duty Cycle
Over-Temperature Indication
Threshold
Over-Temperature Indication
Threshold Hysteresis
V
Hysteresis on Auto-Shutdown
Comparator
Auto-Shutdown Threshold
Voltage Applied to V
Shutdown Mode
Voltage Applied to V
Shutdown Mode
Hysteresis on V
V
Note 1:
OUT
IN
C(MAX)
IN
2003 Microchip Technology Inc.
, V
, V
AS
Output
AS
2:
- V
Input Leakage
Inputs
ELECTRICAL
CHARACTERISTICS
C(MIN)
Parameters
Ensured by design, tested during characterization.
For V
SHDN
DD
OUT
IN
DD
) .......................................................6.0V
for 100% PWM
OUT
IN
IN
, V
< 3.7V, t
Output
to Ensure
to Release
REL
Output
STARTUP
J
........................... +150°C
and t
I
V
V
DD(SHDN)
V
V
OTF-HYS
V
C(SPAN)
V
C(MAX)
V
V
Sym
V
V
SHDN
I
I
HYST
I
I
HAS
DD
OL
OH
OTF
REL
DD
IN
AS
MP
timers are typically 13/f.
DD
V
V
V
DD
C(MAX)
+0.3V)
C(SPAN)
- 1.0
2.45
Min
3.0
1.0
5.0
1.3
—
—
—
—
—
x 0.19
TC646B/TC648B/TC649B
-
V
C(MAX)
20 mV
0.03 X
2.60
V
Typ
200
1.4
—
30
—
—
80
70
—
—
—
—
DD
PIN FUNCTION TABLE
+
FAULT/OTF
SENSE/NC
V
Name
V
GND
V
V
V
DD
V
C
OUT
C(MAX)
Max
AS
DD
2.75
+1.0
IN
400
F
5.5
1.5
—
—
—
—
—
—
x 0.13
A
Units
mV
mV
Analog Input
Analog Output
Analog Input
Ground
No Connect (NC) for TC648B
Digital (Open-Drain) Output
OTF for TC648B
Digital Output
Power Supply Input
Analog Input.
µA
µA
µA
< +85°C, V
mA
mA
V
V
V
V
V
V
V
V
Pins 6, 7 Open,
C
Pins 6, 7 Open,
C
V
V
For TC646B and TC648B
For TC646B and TC648B
V
Note 1
F
F
OL
OH
DD
= 1 µF, V
= 1 µF, V
DD
= 10% of V
= 5V
= 80% of V
Function
= 3.0V to 5.5V.
Conditions
IN
IN
DS21755B-page 3
= V
= 0.35V
DD
DD
C(MAX)