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UC3176QP датащи(PDF) 2 Page - Texas Instruments

номер детали UC3176QP
подробное описание детали  Full Bridge Power Amplifier
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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UC3176QP датащи(HTML) 2 Page - Texas Instruments

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UC3176
UC3177
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply voltage, (+VIN) ........................40V
Park/Inhibit, UV1 and UV2 inputs (zener clamped)
Maximum forced voltage ................. –0.3V to 10V
Maximum forced current ......................
±10mA
Other Input Voltages ...................... –0.3V to +VIN
AlSINK and BlSINK Voltages ................... –0.3V to 6V
Open Collector Output Voltages .....................40V
A and B Output Currents (Continuous)
Source ............................ Internally Limited
Sink ........................................ 2.5A
Total Supply Current (Continuous) ....................4A
Parking Drive Output Current (Continuous) .......... 200mA
Supply OK Output Current, UC3177 (Continuous) ...... 30mA
Operating Junction Temperature .......... –55°C to +150°C
Power Dissipation at TC = +75°C
QP package ...................................4W
Storage Temperature ................... –65°C to +150°C
ELECTRICAL CHARACTERISTICS:Unless otherwise stated, specifications hold for TA = 0 to 70°C, +VIN = 12V, TA =TJ.
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX. UNITS
Input Supply
Supply Current
+VIN = 12V
18
25
mA
+VIN = 35V
21
30
mA
UVOL Threshold
+VIN low to high
2.8
3.0
V
Threshold Hysteresis
220
300
mV
Power, Amplifier, A and B
Input Offset Voltage
VCM = 6V, VOUT =6V
8
mV
Input Bias Current
VCM = 6V, Except A+ Input
–500
–100
nA
Input Bias Current at A+/Reference Input
(A+/REF - BISINK) /36kΩ;TJ = 25°C
23
28
35
µA/V
Input Offset Current B Amp
(UC3176 Only)
VCM = 6V
200
nA
CMRR
VCM = 1 to 33V, +VIN = 35V, VOUT = 6V
70
100
dB
PSRR
+VIN = 5 to 35V, VCM = 2.5V
70
100
dB
Large Signal Voltage Gain
VOUT = 3V, w/IOUT =1AtoVOUT = 9V,
w/IOUT = –1A
1.5
4
V/mV
Thermal Feedback
+VIN = 20V, Pd = 20W at opposite output
25
200
µV/W
Saturation Voltage
IOUT = –2A, High Side, TJ = 25°
1.9
V
CIOUT = 2A, Low Side, TJ = 25°C
1.6
V
Total VSAT at 2A, TJ = 25°C
3.5
3.7
V
Unity Gain Bandwidth
1
MHz
Slew Rate
1V/
µs
Differential IOUT Sense Error Current in
Bridge Configuration
IOUT(A)=–IOUT(B), /IOUT /–/AISINK -BISINK /
IOUT ≤ 200mA
3.0
6.0
mA
IOUT ≤ 2A
5.0
10
mA
High Side Current Limiting
=VIN -VOUT < 12V
–2.7
–2.0
A
QP package:
Thermal Resistance Junction to Leads,
θJL ....... 15°C/W
Thermal Resistance Junction to Ambient,
θJA ..... 50°C/W
Thermal Resistance Junction to COSC, θJC ....... 30°C/W
THERMAL DATA
CONNECTION DIAGRAM
PLCC-28 (Top View)
QP Package
*Pin 9: UC3176, B+ Input
UC3177, Supply OK
PACKAGE PIN FUNCTION
FUNCTION
PIN
+VIN
1
B Output
2
BISINK (Sense)
3
BISINK
4
N/C
5-7
B– Input
8
*
9
Park/Inhibit
10
Parking Drive
11
Gnd (Heat Flow Pins) 12-18
UV1
19
UV2
20
Current Feedback
21
A+ Input
22
A– Input
23
N/C
24
AISINK
25
AISINK (Sense)
26
A Output
27
Gnd
28


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