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UC3176 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Full Bridge Power Amplifier - Unitrode

भाग संख्या UC3176
समारोह Full Bridge Power Amplifier
मैन्युफैक्चरर्स Unitrode 
लोगो Unitrode लोगो 
पूर्व दर्शन
1 Page
		
<?=UC3176?> डेटा पत्रक पीडीएफ

UC3176 pdf
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
THERMAL DATA
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
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)
BISINK
N/C
3
4
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
AISINK (Sense)
A Output
25
26
27
Gnd 28
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
Input Bias Current at A+/Reference Input (A+/REF - BISINK) /36k; TJ = 25°C
–500 –100
nA
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
Thermal Feedback
VOUT = 3V, w/IOUT = 1A to VOUT = 9V,
w/IOUT = –1A
+VIN = 20V, Pd = 20W at opposite output
1.5 4
V/mV
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
1 V/µs
Differential IOUT Sense Error Current in
Bridge Configuration
IOUT(A) = –IOUT(B), /IOUT / – /AISINK - BISINK /
IOUT 200mA
IOUT 2A
3.0 6.0 mA
5.0 10 mA
High Side Current Limiting
=VIN - VOUT < 12V
–2.7 –2.0 A
2

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डाउनलोड[ UC3176 Datasheet.PDF ]


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