LCM-120
120 WATT
L
INE
C
ONDITIONING
M
ODULE
SYNC AND INHIBIT
Sync (550 to 650 kHz.)
• Duty cycle 40% to 60%
• Logic low 0.8V, max
• Logic high 4.5 V, min
• Referenced to input common
• If sync is not used, leave unconnected
Inhibit: TTL Open Collector
• Logic low (output disabled)
Logic low voltage 1.3 V max
• Referenced to input common
• Logic high (output enabled)
ABSOLUTE MAXIMUM RATINGS
Input Voltage Range
• 12 to 50 continuous
Output Power
• 120 watts
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –65°C to +150°C
TYPICAL CHARACTERISTICS
Output Voltage Temperature Coefficient
• 0.01%/°C, typical
Isolation: Any pin to case
• 100 megohm minimum at 500 V
Conversion Frequency
• Free run mode 600 kHz, typical
• External sync range 550 to 650 kHz
Inhibit Pin Voltage (unit enabled)
• 10 V typical
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
• 12 to 50 VDC continuous
• 80 V for 120 msec transient
Case Operating Temperature (Tc)
• –55°C to +125°C full power
• –65°C to +135°C absolute
Derating Output Power/Current
• Derate linearly from 100% at 125°C to 0% at 135°C
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.
PARAMETERS
OUTPUT VOLTAGE
CONDITIONS
CONTINUOUS
TRANSIENT 120 ms MAX
OUTPUT POWER
OUTPUT RIPPLE
FULL LOAD
BW = 1O kHz TO 2 MHz
CONTINUOUS
TRANSIENT 120 ms
NO LOAD
INHIBITED, PIN 11 = 0 V
12
24
36
12
24
36
—
12
24
36
12 TO 80
< 9.5
INPUT VOLTAGE
AS A CONDITION
12 TO 24
24 TO 36
36 TO 50
50 TO 80
12 TO 50
12 TO 24
24 TO 36
36 to 50
MIN
23
—
35
—
—
—
—
—
12
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
330
LCM-120
TYP
24
V
IN
36
36
—
150
50
1500
28
—
125
50
20
50
24
18
150
88
95
90
1
0.4, PIN 9
9.5
11.5
—
MAX
24.5
—
37.5
—
120
—
—
—
50
80
160
85
—
—
—
—
—
—
—
—
—
—
10
12
1,000,000
UNITS
VDC
V
W
mV p-p
VDC
INPUT VOLTAGE
INPUT CURRENT
mA
INPUT RIPPLE
EFFICIENCY
FULL LOAD
BW = 10 kHz TO 10 MHz
FULL LOAD
mA p-p
%
mA
VDC
VDC
VDC
µF
INHIBIT CURRENT
POWER FAIL FLAG
POWER FAIL
THRESHOLD V
UNDERVOLTAGE
LOCKOUT
OUTPUT
CAPACITOR
INHIBITED, PIN 11 = 0 VDC
V
OUT
> 10, PIN 6
FLAG CURRENT = 0.4 mA
V
IN
FALLING
V
IN
RISING
ESR > 0.25 OHMS
B6-10
CRANE [ Crane Aerospace & Electronics. ]
