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UC3638 датащи(PDF) 3 Page - Texas Instruments

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номер детали UC3638
подробное описание детали  Advanced PWM Motor Controller
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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UC3638 датащи(HTML) 3 Page - Texas Instruments

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UC1638
UC2638
UC3638
ELECTRICAL CHARACTERISTICS
Unless otherwise specified; VCC = 15V, VEE =–15V, CT = 680pF, RT = 3k,
VPVSET = 1.5V, VCOMP = 0V, VCSOUT = 0V, VDB = REF, VEXTREF = 0V, VSD =
VCC – 3V, TA =
−55°C to 125°C for the UC1638, −25°C to 85°C for the UC2638,
0°C to 70°C for the UC3638. TA =TJ.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Overall
Supply Current, Operating
15
23
mA
UVLO Threshold
Reference to VEE
9
10
V
UVLO Hysteresis
Reference to VEE
1
V
Voltage Amplifier
Input Offset Voltage
COMP = 0V
−15
0
15
mV
VSENSE Bias Current
0
0.5
2
mA
Open Loop Gain
COMP =
−5V to +5V
75
100
dB
CMRR
VCM =
−5V to +5V
70
100
dB
PSRR
VCM = 0V, VCC
− VEE = 10V to 36V
70
90
dB
VOUT High
INV =
−0.1V, RL = 10k
13
13.6
V
VOUT Low
INV = +0.1V, RL = 10k
−13.8
–13
V
Slew Rate Rising and Falling
Overdrive =
±1V
12
V/
µs
Output Source Current
COMP Shorted to VEE
5
15
mA
Output Sink Current
COMP Shorted to VCC
15
40
mA
Gain Bandwidth Product
FIN = 100kHz, 10mV p-p
1
5
MHz
5V Reference
Output Voltage
IREF =
−1mA, TA = 25°C
4.925
5
5.075
V
Output Voltage
IREF =
−1mA
4.875
5
5.125
V
Load Regulation
IREF =
−1mA to −10mA
−15
2
15
mV
Line Regulation
VCC - VEE = 10V to 36V
−15
2
15
mV
Short Circuit Current
VREF =0V
15
70
mA
Oscillator
Initial Accuracy
TA = 0°C – 70°C
86
98
110
kHz
Voltage Stability
VCC
− VEE = 10V to 36V
2
%
Total Variation
Line, Temperature
76
98
120
kHz
PVSET Input Bias Current
0.5
3
µA
PVSET Input Voltage Range
(Note 1)
0.5
VREF
V
Amplitude Limit
(Note 1)
VEE+3
VCC
−3V
AOUT1, BOUT1 Output Drivers
Output Low Voltage
IOUT = 1mA, Ref. to PVE, PVE = 0V
0.9
1.3
V
IOUT = 50mA
1.2
1.8
V
Leakage Current
Output Voltage = 50V
0.1
50
µA
AOUT2, BOUT2 Output Drivers
Output High Voltage
IOUT =
−20mA, Ref. to PVE, PVE = 0V
12.2
13.5
V
IOUT =
−100mA, Ref. to PVE, PVE = 0V
12
13.5
V
Output High Clamp Level
IOUT =
−20mA, Ref. to PVE, PVE = VEE
14.4
16.5
V
Output Low Voltage
IOUT = 20mA, Ref. to PVE, PVE = 0V
0.4
1
V
IOUT = 100mA, Ref. to PVE, PVE = 0V
0.6
2.2
V
Output Rise Time
COUT = 1nF
50
100
ns
Output Fall Time
COUT = 1nF
50
100
ns


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