AHF28XX Series
Specifications
AHF2812S
ABSOLUTE MAXIMUM RATINGS
n
Input Voltage
-0.5V to 50V
Soldering Temperature
Case Temperature
300°C for 10 seconds
Operating -55°C to +125°C
Storage -65°C to +135°C
Table II. Electrical Performance Characteristics
Conditions
Test
Symbol
VOUT
Group A
Subgroups
Device
Types
Limits
Min Max
Unit
-55°C Tc +125°C
Vin = 28 Vdc ±5%, CL = 0
Unless otherwise specified
≤
≤
Output voltage
Output current1
IOUT = 0
1
2,3
01
11.88
11.76
12.12
12.24
V
IOUT
VIN = 16, 28, and 40 V dc
1,2,3
1,2,3
01
01
1000
60
mA
Output ripple
voltage2
VRIP
VIN = 16, 28, and 40 V dc,
B.W. = 20 Hz to 2MHz
mV p-p
Line regulation
Load regulation
Input current
VRLINE
VRLOAD
IIN
VIN = 16, 28, and 40 V dc,
Iout = 0, 500, and 1000 mA
1,2,3
1,2,3
1,2,3
01
01
01
50
50
mV
mV
VIN = 16, 28, and 40 V dc,
IOUT = 0, 500, and 1000 mA
I
OUT = 0, inhibit (pin 1)
12
50
tied to input return (pin 7)
IOUT = 0,
mA
inhibit (pin 1) = open
Input ripple current2
IRIP
IOUT = 1000mA
B.W. = 20 Hz to 2MHz
1,2,3
01
50
mA p-p
%
Efficiency
Isolation
EFF
I
OUT = 1000mA
1
2,3
01
01
78
75
ISO
Input to output or any pin
to case (except pin 6) at
500V dc Tc = +25°C
1
4
100
M
Ω
Capacitive load3,4
CL
PD
No effect on dc
performance, Tc = +25°C
01
500
µF
Power dissipation
load fault
Overload 5
Short circuit
1
01
01
6
2
W
1,2,3
Switching
frequency
FS
IOUT = 1000mA
4,5,6
01
500
600
kHz
For Notes to Specifications, refer to page 5
4
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