TC642EOA Microchip Technology, TC642EOA Datasheet - Page 3

• Manufacturer Part Number: TC642EOA
• Description: IC PWM FAN SPEED CTRLR 8-SOIC
• Manufacturer: Microchip Technology
• Type: Controller - PWM Fanr

Specifications of TC642EOA

• 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: 6 V
• Supply Current: 1 mA
• 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 ......................................................... 6V
Input Voltage, Any Pin.... (GND – 0.3V) to (V
Package Thermal Resistance:
Specified Temperature Range ........... -40°C to +125°C
Storage Temperature Range.............. -65°C to +150°C
ELECTRICAL SPECIFICATIONS
Note 1: Ensured by Design, not tested.
Electrical Characteristics: T
V
I
I
I
V
t
t
t
I
I
V
V
V
V
V
Pulse Width Modulator
F
SENSE Input
V
FAULT Output
V
t
t
t
DD
DD(SHDN)
IN
R
F
SHDN
OL
OH
MP
STARTUP
DIAG
PWM
DD
OUT
IN
C(MAX),
C(SPAN)
SHDN
REL
TH(SENSE)
OL
2002 Microchip Technology Inc.
, V
Symbol
PDIP (R
SOIC (R
MSOP (R
Output
MIN
V
ELECTRICAL
CHARACTERISTICS
Inputs
OTF
JA
JA
JA
)............................................. 125°C/W
) ............................................ 155°C/W
Supply Voltage
Supply Current, Operating
Supply Current, Shutdown Mode
V
V
V
Pulse Width (On V
Clear Fault Mode
Sink Current at V
Source Current at V
Input Voltage at V
for 100% PWM Duty Cycle
V
Voltage Applied to V
ensure Shutdown Mode
Voltage Applied to V
Release Shutdown Mode
PWM Frequency
SENSE Input Threshold
Voltage with Respect to GND
Output Low Voltage
Missing Pulse Detector Timer
Start-up Timer
Diagnostic Timer
) .......................................... 200°C/W
IN
OUT
OUT
C(MAX)
, V
Rise Time
Fall Time
MIN
- V
Input Leakage
Parameter
C(MIN)
MIN
OUT
IN
MIN
OUT
< T
or V
MIN
MIN
Output
) to
A
to
MIN
to
Output
< T
MAX
DD
, V
+0.3V)
V
DD
DD
- 1.0
Min
3.0
1.0
5.0
2.5
1.3
30
26
50
—
—
—
—
—
—
—
—
—
= 3.0V to 5.5V, unless otherwise specified.
x 0.19
32/F
32/F
2.65
Typ
0.5
1.4
3/F
25
30
70
—
—
—
—
—
—
—
—
—
—
*Stresses above those listed under "Absolute Maximum Rat-
ings" may cause permanent damage to the device. These are
stress ratings only and functional operation of the device at
these or any other conditions above those indicated in the
operation sections of the specifications is not implied. Expo-
sure to absolute maximum rating conditions for extended peri-
ods may affect device reliability.
V
DD
Max
+1.0
1.0
5.5
2.8
1.5
0.3
—
50
50
—
34
90
—
—
—
—
—
—
x 0.13
Units
µsec
µsec
µsec
mA
mV
Sec
Sec
Sec
µA
µA
mA
mA
Hz
V
V
V
V
V
V
Pins 6, 7 Open,
C
Pins 6, 7 Open,
C
Note 1
Note 1
I
I
V
Note 1
V
V
V
C
Note 1
I
OH
OL
OL
SHDN
OL
OH
DD
F
F
F
= 1 µF, V
= 1 µF, V
= 1.0 µF
= 1 mA, Note 1
= 2.5 mA
= 5 mA, Note 1
= 10% of V
= 5V
= 80% of V
, V
Test Conditions
HYST
IN
MIN
= V
DS21444C-page 3
TC642
Specifications,
DD
DD
= 0.35V,
C(MAX)