TC648
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage ......................................................... 6V
Input Voltage, Any Pin... (GND – 0.3V) to (VDD + 0.3V)
Package Thermal Resistance:
PDIP (RθJA)............................................. 125°C/W
SOIC (RθJA) ............................................ 155°C/W
MSOP (RθJA) .......................................... 200°C/W
Specified Temperature Range ........... -40°C to +125°C
Storage Temperature Range.............. -65°C to +150°C
*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.
DC ELECTRICAL SPECIFICATIONS
Electrical Characteristics: Unless otherwise specified, TMIN ≤ TA ≤ TMAX, VDD = 3.0V to 5.5V
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
VDD
Supply Voltage
3.0
IDD
Supply Current, Operating
—
IDD(SHDN)
Supply Current, Shutdown/
—
Auto-shutdown Mode
IIN
VIN, VAS Input Leakage
-1.0
VOUT Output
tR
VOUT Rise Time
—
tF
VOUT Fall Time
—
IOL
Sink Current at VOUT Output
1.0
IOH
Source Current at VOUT
5.0
Output
—
5.5
V
0.5
1.0
mA Pins 6, 7 Open,
CF = 1 µF, VIN = VC(MAX)
25
—
µA Pins 6, 7 Open;
Note 1
CF =1 µF, VIN = 0.35V
—
+1.0
µA Note 1
—
50
µsec IOH = 5 mA, Note 1
—
50
µsec IOL = 1 mA, Note 1
—
—
mA VOL = 10% of VDD
—
—
mA VOH = 80% of VDD
SENSE Input
VTH(SENSE) SENSE Input Threshold
50
Voltage with Respect to GND
70
90
mV Note 1
OTF Output
VOL
Output Low Voltage
VIN, VAS Inputs
VC(MAX),VOTF Voltage at VIN for 100% Duty
Cycle and Overtemp. Fault
VC(SPAN)
VAS
VC(MAX) - VC(MIN)
Auto-shutdown Threshold
VSHDN
Voltage Applied to VIN to
Ensure Reset/Shutdown
VREL
Voltage Applied to VIN to
Release Reset Mode
VHYST
VHAS
Hysteresis on VSHDN, VREL
Hysteresis on Auto-shutdown
Comparator
Note 1: Ensured by design, not tested.
—
—
0.3
V IOL = 2.5 mA
2.5
2.65
2.8
V
1.3
VC(MAX) ~
VC(SPAN)
—
VDD x 0.19
—
—
1.4
1.5
V
—
VC(MAX)
V
—
VDD x 0.13 V
—
—
V VDD = 5V
0.01 x VDD
—
V
70
—
mV
2002 Microchip Technology Inc.
DS21448C-page 3