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UC3178QP Fiches technique(PDF) 2 Page - Texas Instruments

No de pièce UC3178QP
Description  Full Bridge Power Amplifier
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

UC3178QP Fiches technique(HTML) 2 Page - Texas Instruments

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PLCC - 28 (Top View)
QP Package
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
UC3178
Input Supply Voltage, (VIN(+), VC(+)) . . . . . . . . . . . . . . . . . . 20V
O/C Sense, Logic Inputs, and REF Input
Maximum forced voltage . . . . . . . . . . . . . . . . . -0.3V to 10V
Maximum forced current . . . . . . . . . . . . . . . . . . . . . .
±10mA
A & B Amplifier Inputs . . . . . . . . . . . . . -0.3V to (VIN(+) + 1.0V)
O/C Indicate Open Collector Output Voltage . . . . . . . . . . . . 20V
A and B Output Currents(continuous)
Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . Internally Limited
Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6A
Output Diode Current (pulsed)* . . . . . . . . . . . . . . . . . . . . . 0.5A
O/C Ind Output Current(continuous) . . . . . . . . . . . . . . . . 20mA
Operating Junction Temperature . . . . . . . . . . . . . . . . . . +150
°C
Storage Temperature . . . . . . . . . . . . . . . . . . . -65
°C to +150°C
*Notes: Unless otherwise indicated, voltages are referenced to
ground and currents are positive into, negative out of, the speci-
fied terminals, "Pulsed" is defined as a less than 10% duty cy-
cle pulse with a maximum duration of 500
µs.
QP package: (see packaging section of UICC data book for more
details on thermal performance)
Thermal Resistance Junction to Leads,
θjl . . . . . . . . 15°C/W
Thermal Resistance Junction to Ambient,
θja . . . 30-40°C/W
CONNECTION DIAGRAM
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Supply
VIN (+)Supply Current
12
16
mA
VC(+) Supply Current
IOUT = OA
1.2
2.0
mA
Total Supply Current
Supplies = 5V,IOUT = OA
12
16
mA
Supplies = 12V,IOUT = OA
13
18
mA
VIN(+) UVLO Threshold
low to high
2.6
2.8
V
UVLO Threshold Hysterisis
300
mV
Over-Current (O/C) Comparator
Input Bias Current
V input = 0.8V
-1.0
-.01
µA
Thresholds
low to high
0.97
1.0
1.03
V
Threshold Hysterisis
85
100
115
mV
O/C IND Vsat
IOUT = 5mA, V input low
0.2
0.45
V
O/C IND Leakage
VOUT = 20V
5.0
µA
Power Amplifiers A and B
Input Offset Voltage
A Amplifier, VCM = 6V
4.0
mV
B Amplifier, VCM = 6V
12.0
mV
Input Bias Current
VCM = 6V
-500
-50
µΑ
CMRR
VCM = 0.5 to 13V, Supplies = 15V
70
90
dB
PSRR
VIN(+) = 4 to 15V, VCM = 1.5V
70
90
dB
Large Signal Voltage Gain
Supplies = 12V, VOUT = 1V, IOUT = 300mA
to VOUT = 10.5V, IOUT = -300mA
3.0
15.0
V/mV
Unless otherwise stated specifications hold for TA = 0
°C to 70°C, VC(+) = VIN(+) =
12V, REF Input = VIN(+)/2, O/C Input & Inhibit Input = 0V.
Note: The above numbers for
θjl are maximums for the limiting
thermal resistance of the package in a standard mounting con-
figuration. The
θja numbers are meant to be guidelines for the
thermal performance of the device/pc-board system. All of the
above numbers assume no ambient airflow.
PACKAGE PIN FUNCTION
FUNCTION
PIN
Inhibit
1
O/C Force
2
O/C Sense
3
Range
4
C/S(+)
5
Comp Adj
6
O/C Ind
7
AIN(+)
8
AIN(-)
9
VC(+) Supply
10
A Output
11
Pwr Gnd
12
Pwr Gnd
13
Pwr Gnd
14
Pwr Gnd
15
Pwr Gnd
16
Pwr Gnd
17
Pwr Gnd
18
B Output
19
VIN(+)
20
BIN(-)
21
BIN(+)
22
REF Input
23
C/S(-)
24
C/S Out
25
IDIF Out
26
IDIF REF
27
Ground
28
ELECTRICAL CHARACTERISTICS:
2


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