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UC1620 Scheda tecnica(PDF) 2 Page - Texas Instruments

Il numero della parte UC1620
Spiegazioni elettronici  Switchmode Driver for 3-횈 Brushless DC Motors
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Produttore elettronici  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

UC1620 Scheda tecnica(HTML) 2 Page - Texas Instruments

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SP Hermetic Power DIL
CONNECTION DIAGRAMS
UC1620
UC3620
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Output Current, Source or Sink
Non-Repetitive (t = 100
µsec), lo . . . . . . . . . . . . . . . . . . . . 3A
Repetitive (80% on - 20% off; tON = 10ms) . . . . . . . . . . 2.5A
DC Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Analog Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +Vcc
Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +Vcc
Total Power Dissipation (at TCASE = 75° C)
for SP Package (Note 2). . . . . . . . . . . . . . . . . . . . . . . . . . 15W
Storage Temperature . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Operating Junction Temperature . . . . . . . . . . . -55°C to +150°C
Note 1: All voltages are with respect to ground. Currents are
positive into, negative out of the specified terminal.
Note 2: Consult Packaging Section of Databook for thermal
limitations and considerations of package.
ELECTRICAL CHARACTERISTICS:
PARAMETER
TEST CONDITIONS
UC3620
UC1620
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
Error Amplifier Section
Input Offset Voltage
1.5
10
1.5
10
mV
Input Bias Current
-.25
-2.0
-.25
-2.0
µA
Input Offset Current
15
250
15
250
nA
Common Mode Range
Vcc = 8V to 40V
0
VIN-2
0
VIN-2
V
Open Loop Gain
∆VCOMP = 1V to 4V
80
100
75
100
dB
Unity Gain Bandwidth
TJ = 25°C, Note 2
0.8
0.8
MHz
Output Sink Current
VCOMP = 1V
2
2
mA
Output Source Current
VCOMP = 4V
8
8
mA
Current Sense Section
Input Bias Current
-2.0
-5
-2.0
-5
µA
Internal Clamp
.425
0.5
.575
.405
0.5
.595
V
Divider Gain
.180
0.2
.220
.170
0.2
.230
V/V
Internal Offset Voltage
.8
1.0
1.2
.75
1.0
1.25
V
Timing Section
Output Off Time
18
20
22
17
20
23
µs
Upper Mono Threshold
5.0
5.0
V
Lower Mono Threshold
2.0
2.0
V
Decoder Section
High-Level Input Voltage
2.2
2.5
V
Low-Level Input Voltage
0.8
0.8
V
High-Level Input Current
10
10
µA
Low-Level Input Current
-10
-10
µA
Output Section
Output Leakage Current
VCC = 40V
500
1500
µA
VF1 Schottky Diode
IO = 2A
1.5
2.0
1.5
2.0
V
VF1 Substrate Diode
IO = 2A
2.2
3.0
2.2
3.0
V
Total Output Voltage Drop
IO = 2A, Note 3
3.0
3.6
3.0
3.6
V
Unless otherwise stated, these specifications apply for TA = 0°C to 70°C for 3620; TA
= 55°C to +125°C for UC1620; VCC = 20V, RT = 20V, RT = 10k, CT = -2.2nF. TA=TJ.
ABSOLUTE MAXIMUM RATINGS (Note 1)
2


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