HR41-2805 Datasheet, PDF (3/6 Pages) Interpoint Corporation Company – DC/DC CONVERTERS 28 VOLT INPUT

DC/DC CONVERTERS
HR40 SERIES
4 WATT
WARNING: EXTERNAL CAPACITORS REQUIRED
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
TRIPLE OUTPUT MODELS
PARAMETER¹
CONDITIONS
HR43-2812
MIN TYP MAX
HR43-2815
MIN TYP MAX
UNITS
OUTPUT VOLTAGE
2
OUTPUT CURRENT
P_OUT = 2 W
BALANCED LOAD
18 TO 32 V_IN
MAIN
AUX
MAIN
AUX
4.9 5.0 5.1
±11.5 ±12.0 ±12.5
10.0 — 400
—
— ±50.0
4.9
±14.5
10.0
—
5.0 5.1
±15.0 ±15.5
— 400
— ±40.0
VDC
mA
OUTPUT POWER
Tc = –40°C TO +85°C
—
— 3.2
—
— 3.2
W
OUTPUT RIPPLE
BW DC TO 1 MHz ^MAIN
± AUX
— 50 100
— 50 100
—
50 100
—
50 100
mV p-p
LINE REGULATION
LOAD REGULATION
P_OUT = 2 W
MAIN
18 TO 32 V_IN
± AUX
NO LOAD TO FULL ^MAIN
± AUX
—
5
10
—
3
6
— 15 30
— 15 30
—
5 10
mV
—
3 7.5
—
15 30
mV
—
12 24
INPUT VOLTAGE
Tc = –40°C TO +85°C
TRANSIENT 50 ms
16 28 32
—
—
40
16
28 32
—
— 40
VDC
V
NO LOAD
— 10 20
—
10 20
INPUT CURRENT
FULL LOAD
—
— 176
—
— 176
mA
INHIBITED
—
—
15
—
— 15
EFFICIENCY
FULL LOAD
68 70 —
68
70 —
%
Notes
1. External capacitors required to prevent damage to internal circuitry 2. Minimum load required on main output for full power auxiliary oper-
(see Table 2 for specifications).
ation.
TRIPLE OUTPUT EXTERNAL CAPACITOR
OPERATION WITHOUT EXTERNAL CAPACITORS WILL RESULT IN DAMAGE TO THE INTERNAL CIRCUITRY.
TABLE 2: EXTERNAL CAPACITOR REQUIREMENTS
Model
HR43-2812
and
HR43-2815
Required
Connection¹
Minimum
Capacitor Value2
Positive 5 VDC Output (9) to
Output Common (6 or 7)
220 µF, 10 V
Table 2 Notes
1. See Figure 2 for connection diagram.
2. Capacitors should be high quality, low ESR components —
solid tantalum is recommended.
FEEDBACK
POSITIVE
INPUT
1, 2
INHIBIT
15
INPUT
COMMON
17, 18
LOGIC
TIMING
CONTROL
SWITCH
REF. &
COMP
DUAL
TRACKING
REGULATOR
+5 OUTPUT
9
OUTPUT
COMMON
6, 7
8
POSITIVE
AUXILIARY
OUTPUT
220µF
EXTERNAL
CAPACITOR
5
NEGATIVE
AUXILIARY
OUTPUT
FIGURE 2:
TRIPLE OUTPUT EXTERNAL CAPACITOR CONNECTIONS
B4-53