smflhp Interpoint Corp., smflhp Datasheet - Page 2

• Manufacturer Part Number: smflhp
• Description: Dc/dc Converters 28 Volt Input
• Manufacturer: Interpoint Corp.

Electrical Characteristics:
SMFLHP SERIES
100 WATT
Input Voltage
Power Dissipation (Pd)
Output Power
Lead Soldering Temperature (10 sec per lead)
Storage Temperature Range (Case)
RECOMMENDED OPERATING CONDITIONS
Input Voltage Range
Case Operating Temperature (Tc)
Derating Output Power/Current
Notes
1. Unit will shut down above approximately 45V but will be undamaged and
SINGLE OUTPUT MODELS
OUTPUT VOLTAGE
OUTPUT CURRENT
OUTPUT POWER
OUTPUT RIPPLE
VOLTAGE 10 k - 2 MHz
LINE REGULATION
LOAD REGULATION
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
INPUT RIPPLE
CURRENT
EFFICIENCY
LOAD FAULT
Tc = 25°C
STEP LOAD RESP.
STEP LINE RESP.
START-UP
• 0 to 40 VDC
• 20 watts
• 80 to 100 watts depending on model
• 300°C
• –65°C to +150°C
• 19 to 40 VDC continuous
• 50 V for 50 msec transient
• –55 to +125°C full power
• –55 to +135°C absolute
• Linearly from 100% at 125°C to 0% at 135°C
will restart when voltage drops into normal range.
PARAMETER
ABSOLUTE MAXIMUM RATINGS
POWER DISSIPATION
Tc = –55°C to +125°C
TRANSIENT
NO LOAD TO FULL
50% – 100% – 50%
V
V
V
INHIBITED - INH1
INHIBITED - INH2
19 – 40 – 19 VDC
SHORT CIRCUIT
10 kHz - 10 MHz
IN
IN
IN
CONTINUOUS
OVERSHOOT
RECOVERY
TRANSIENT
RECOVERY
CONDITION
RECOVERY
TRANSIENT
FULL LOAD
= 19 to 40 VDC
= 19 to 40 VDC
= 19 to 40 VDC
Tc = 25°C
NO LOAD
Tc = 25°C
DELAY
25°C
–55°C to +125°C Tc
1
50 ms
2
3
2
MIN
3.26
SMFLHP283R3S
DC/DC C
—
—
—
—
19
—
—
—
—
—
—
70
—
—
—
—
—
—
—
—
0
0
Sync In (525 to 675 kHz)
Sync Out - Referenced to input common
Inhibit (INH1, INH2) TTL Open Collector
TYP MAX
350
250
200
3.3
2.9
1.5
1.5
3.5
SYNC IN AND INHIBIT (INH1, INH2)
10
20
28
70
35
30
72
15
—
—
—
0
0
9
0
• Duty cycle 40% min, 60% max
• Logic low 0.8 V max
• Logic high 4.5 V min
• Referenced to input common
• If not used, connect to input common
• Logic low (output disabled)
• Logic high (output enabled)
3.34
120
450
400
600
3.1
3.0
Current –10 to –5 mA
INH1 referenced to input common
INH2 referenced to output common
Open collector
18
60
45
80
50
20
40
50
15
80
80
—
20
10
25
4
, 28 VDC Vin, 100% load, free run, unless otherwise specified.
Logic low 0.8 V max
Logic low 0.5 V max
4.95
MIN
19
77
SMFLHP2805S
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
ONVERTERS
2. Recovery time is measured from application of the transient to point at
3. Transition time >10 µs.
which Vout is within 1% of final value.
TYP MAX
5.00 5.05
350
250
200
3.6
1.5
1.5
3.5
—
—
15
30
28
—
70
35
30
80
15
0
0
9
0
3.73
120
450
400
600
3.0
16
80
50
90
50
20
40
50
15
80
80
20
10
25
—
4
11.88 12.00 12.12
MIN
—
—
—
—
19
—
—
—
—
—
—
81
—
—
—
—
—
—
—
—
SMFLHP2812S
0
0
TR1
Inhibit (INH1)
Sync Out
Sync In
Sense Lines
Slave
MSTR (INH 2)
TYP MAX
450
250
200
3.5
3.8
1.5
1.5
30
45
28
50
35
30
86
15
—
—
—
0
0
9
0
3.95
150
700
400
600
7.5
3.0
90
85
50
20
40
50
80
15
80
80
20
10
50
—
4
Output Voltage Temperature Coefficient
Input to Output Capacitance
Isolation
Audio Rejection
Conversion Frequency
Inhibit Pin Voltage (unit enabled)
• 100 ppm/°C typical
• 150 pF typical
• 100 megohm minimum at 500 V
• 50 dB typical
• Free run mode 600 kHz typical
• External sync range 525 to 675 kHz
• INH1 = 9 to12 V, INH2 = 6 to 9 V
TYPICAL CHARACTERISTICS
PINS NOT IN USE
14.8515.00 15.15
MIN TYP MAX
550 kHz min, 650 kHz. max
SMFLHP2815S
19
82
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
450
250
200
4.2
1.5
1.5
3.5
30
45
28
50
35
30
87
15
—
—
—
0
0
9
0
No connection
No connection
No connection
Connect to output common
Must be connected to
appropriate outputs
No connection
No connection
6.67
4.40
100
175
700
400
600
3.0
95
50
20
40
50
80
15
80
80
—
20
10
50
4
mV p-p
UNITS
mA pp
mV pk
mV pk
mV pk
VDC
VDC
mV
mV
mA
mA
ms
ms
ms
µs
W
%
W
A
V
A