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UC1904 датащи(PDF) 2 Page - Texas Instruments

номер детали UC1904
подробное описание детали  Precision Quad Supply and Line Monitor
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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UC1904 датащи(HTML) 2 Page - Texas Instruments

  UC1904 Datasheet HTML 1Page - Texas Instruments UC1904 Datasheet HTML 2Page - Texas Instruments UC1904 Datasheet HTML 3Page - Texas Instruments UC1904 Datasheet HTML 4Page - Texas Instruments UC1904 Datasheet HTML 5Page - Texas Instruments UC1904 Datasheet HTML 6Page - Texas Instruments  
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UC1904
UC2904
UC3904
Input Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Sense Inputs, S1 And S2, Other Analog And Logic Inputs
Maximum Forced Voltage . . . . . . . . . . . . . . . . . . -0.3V to 10V
Maximum Forced Current . . . . . . . . . . . . . . . . . . . . . .
±10mA
Sense Input S3, (-12V Sense Input)
Maximum Forced Voltage . . . . . . . . . . . . . . . . . . -18V to 10V
Maximum Forced Current . . . . . . . . . . . . . . . . . . . . . .
±10mA
Sense Input S4, (-5V Sense Input)
Maximum Forced Voltage . . . . . . . . . . . . . . . . . . -10V to 10V
Maximum Forced Current . . . . . . . . . . . . . . . . . . . . . .
±10mA
Open Collector Outputs
Maximum Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Maximum Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Reference Output Current . . . . . . . . . . . . . . . Internally Limited
Operating Junction Temperature . . . . . . . . . . . -55
°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . -65
°C to +150°C
PACKAGE PIN FUNCTION
FUNCTION
PIN
2.5V
1
POR DLY
2
N.C.
3
S1
4
S2
5
S3
6
S4
7
N.C.
8
LS Input
9
OC Input
10
PWRW Out
11
PG Out
12
OV/OC Out
13
VIN
14
ON/OFF Out
15
OFF DLY
16
ON/OFF Input
17
ARST Input
18
WADJ
19
Gnd
20
DIL-18, SOIC-18 (TOP VIEW)
J or N PACKAGE, DW PACKAGE
PLCC-20 (TOP VIEW)
Q PACKAGE
CONNECTION DIAGRAMS
ABSOLUTE MAXIMUM RATINGS (Note 1)
Note 1: Unless otherwise indicated, voltages are reference to
ground and currents are positive into, negative out of, the speci-
fied terminals.
Unless otherwise stated, these specifications hold for TA = 0 to 70
°C for the
UC3904, -40 to +85
°C for the UC2904, and -55 to +125°C for the UC1904, +VIN =
15V, WADJ = 0.5V, Sense Inputs 1-4, OC and LS Inputs = 2.5V. The ON/OFF Input
and the ARST Input = 0V.
ELECTRICAL CHARACTERISTICS:
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Input Supply
VIN Supply Current
VIN = 15V
3.2
4.5
mA
VIN UVLO Threshold
Low to High
4.5
4.75
V
UVLO Threshold Hysteresis
50
mV
Minimum VIN to Enable PG Out
0.8
1.5
V
Reference
Output Voltage(VREF)TJ = 25
°C
2.475
2.5
2.525
V
Over Temperature, UC3904
2.47
2.53
V
Over Temperature, UC2904 & UC1904
2.465
2.535
V
Load Regulation
IOUT = 0 to 4mA
6
mV
Line Regulation
VIN = 4.75 to 18V
5
mV
Short Circuit Current
VREF = 0V
17
mA
OV UV Window, LS Input, OC Input, ARST Input, and ON/OFF Input Thresholds
Over-Voltage Thresholds
WADJ = 0.25V, Offset from VREF, Input L to H
110
125
140
mV
S1, S2
WADJ = 0.5V, Offset from VREF, Input L to H
230
250
270
mV
WADJ = 1V, Offset from VREF, Input L to H
460
500
540
mV
Over-Voltage Thresholds
WADJ = 0.25V, Offset from VREF, Input L to H
110
125
145
mV
S3, S4 Positive Mode
WADJ = 0.5V, Offset from VREF, Input L to H
230
250
280
mV
WADJ = 1V, Offset from VREF, Input L to H
460
500
550
mV
2


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