UC1854J UNITRODE, UC1854J Datasheet - Page 2
UC1854J
Manufacturer Part Number
UC1854J
Description
UNITRODE
Manufacturer
UNITRODE
Datasheets
1.UC1854J.pdf
(13 pages)
2.UC1854J.pdf
(9 pages)
3.UC1854J.pdf
(13 pages)
4.UC1854J.pdf
(9 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UC1854J/883B
Manufacturer:
TI
Quantity:
766
Company:
Part Number:
UC1854J/883B 5962-9326101MEA
Manufacturer:
HAR
Quantity:
1
ABSOLUTE MAXIMUM RATINGS
Supply Voltage V
GT Drv Current, Continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5A
GT Drv Current, 50% Duty Cycle. . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Input Voltage, V
Input Voltage, I
Input Voltage, PKLMT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V
Input Current, R
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . . . . . +300
CONNECTION DIAGRAMS
ELECTRICAL
CHARACTERISTICS
DIL–16 & SOIC-16
(Top View)
J, N & DW Packages
OVERALL
VOLTAGE AMPLIFIER
Supply Current, Off
Supply Current, On
V
V
ENA Threshold, Rising
ENA Threshold Hysteresis
ENA Input Current
V
Voltage Amp Offset Voltage
V
Voltage Amp Gain
Voltage Amp Output Swing
Voltage Amp Short Circuit Current VA Out=0V
SS Current
Storage Temperature . . . . . . . . . . . . . . . . . . . . –65
CC
CC
RMS
SENSE
Turn-On Threshold
Turn-Off Threshold
Input Current
Bias Current
PARAMETER
SENSE
SENSE
SET
CC
, I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
, Mult Out . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V
AC
, V
, PKLMT, ENA . . . . . . . . . . . . . . . . . . . 10mA
RMS
Unless otherwise stated, V
V
VA Out, REF, GT Drv, –55
0
o
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11V
RMS
C<T
=1.5V, I
A
<70
o
ENA=0V
ENA=0V
V
VA Out=5V
SS=2.5V
C for the UC3854, and T
AC
RMS
=100 A, I
=5V
TEST CONDITIONS
SENSE
o
CC
C<T
=18V, R
o
C to +150
=0V, CA Out=3.5V, VA Out=5V, V
A
<125
A
2
SET
o
=T
C for the UC1854, –40
o
o
=15k to ground, C
J
C
C
PLCC-20 & LCC-20
(Top View)
Q & L Packages
.
Note 1: All voltages with respect to Gnd (Pin 1).
Note 2: All currents are positive into the specified termi-
nal.
Note 3: ENA input is internally clamped to approximately
14V.
Note 4: Consult Unitrode Integrated Circuits databook for
information regarding thermal specifications and limita-
T
=1.5nF to ground, PKLMT=1V, ENA=7.5V,
o
C<T
–500
MIN
14.5
–5.0
–1.0
–36
–20
2.4
0.2
–8
70
9
SENSE
A
<85
=7.5V, no load on SS, CA Out,
o
0.5 to 5.8
C for the UC2854, and
TYP
PACKAGE PIN FUNCTION
2.55
0.25
–0.2
–.01
–25
100
–20
–14
1.5
N/C
Gnd
PKLMT
CA Out
I
N/C
Mult Out
I
VA Out
V
N/C
V
ENA
V
R
N/C
SS
C
V
GT Drv
10
16
10
SENSE
AC
FUNCTION
RMS
REF
SENSE
CC
SET
T
MAX
17.5
500
2.0
2.7
0.3
5.0
1.0
16
11
–5
–6
8
UC1854
UC2854
UC3854
UNITS
PIN
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
mA
mA
mV
mA
nA
dB
V
V
V
V
V
A
A
A