TC646EOA Microchip Technology, TC646EOA Datasheet - Page 4
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TC646EOA
Manufacturer Part Number
TC646EOA
Description
IC PWM FAN SPEED CTRLR 8-SOIC
Manufacturer
Microchip Technology
Type
Controller - PWM Fanr
Datasheet
1.TC646VOA.pdf
(28 pages)
Specifications of TC646EOA
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
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TC646EOA
Manufacturer:
ROHM
Quantity:
6 264
Company:
Part Number:
TC646EOA713
Manufacturer:
MICROCHIP
Quantity:
12 000
TC646
DC ELECTRICAL SPECIFICATIONS (CONTINUED)
DS21446C-page 4
Electrical Characteristics: Unless otherwise specified, T
V
V
V
V
V
V
V
V
Pulse Width Modulator
F
Note 1:
AS
OSC
IN
C(MAX),
C(SPAN)
SHDN
REL
HYST
HAS
Symbol
, V
AS
V
Inputs
OTF
Ensured by design, not tested.
Voltage at V
Cycle and Overtemp. Fault
V
Auto-shutdown Threshold
Voltage Applied to V
ensure Reset/Shutdown
Voltage Applied to V
Release Reset Mode
Hysteresis on V
Hysteresis on Auto-shutdown
Comparator
PWM Frequency
C(MAX)
- V
Parameter
C(MIN)
IN
for 100% Duty
SHDN,
IN
IN
V
to
to
REL
V
V
V
DD
C(MAX) ~
C(SPAN)
Min
2.5
1.3
26
—
—
—
x 0.19
MIN
T
A
0.01 x V
T
MAX
2.65
Typ
1.4
70
30
—
—
—
, V
DD
DD
= 3.0V to 5.5V
V
V
DD
C(MAX)
Max
2.8
1.5
—
—
34
—
x 0.13
Units
mV
Hz
V
V
V
V
V
V
2002 Microchip Technology Inc.
V
See Figure 5-11
C
DD
F
= 1.0 µF
= 5V,
Test Conditions