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GENERAL DESCRIPTION
AM5TW Series
5 watt dc-dc converters
24-PIN DIP PACKAGE
LOW PROFILE METAL PACKAGE
HIGH EFFICIENCY UP TO 80%
WIDE 4:1 INPUT RANGE
INPUT/OUTPUT ISOLATION: 1500 & 3500 VDC
OPERATING TEMPERATURE: -40C ... +85C
PIN-COMPATIBLE WITH MULTIPLE MANUFACTURERS
CONTINUOUS SHORT CIRCUIT PROTECTION
ELECTRICAL SPECIFICATIONS
Specifications typical at +25C, normal input voltage, rated output current unless otherwise specified.
Our AM5TW series is a family of cost effective 5W single and
dual output DC-DC converters. These converters combine nick-
el-coated copper package in a 24-pin DIP compatible case with
high performance features such as 1500VDC & 3500VDC
input/output isolation voltage, continuous short circuit protection
with automatic restart and tight line / load regulation. Wide range
devices operate over 4:1 input voltage range providing stable out-
put voltage. Devices are encapsulated using flame retardant resin.
Input voltages of 24 & 48VDC with output voltages of 3.3, 5, 7.2,
9, 12, 15, 18, 24, 3.3, 5, 7.2, 9, 12, 15, 18 & 24VDC.
High performance features include high efficiency operation up to
80% and output voltage accuracy of 1% maximum.
All models are packaged in a low profile 31.75x20.32x10.16mm
24 pin DIP nickel-coated copper case. Operation is specified
over the full operating temperature range of -40C to +85C with
no derating required. Cooling is by free-air convection.
MTBF: > 1,112,000 hrs (MIL-HDBK-217F,
Ground Benign, t=+25C)
Specifications are subject to change without notification
Isolation Specifications:
Rated voltage
1500 & 3500VDC
Resistance
> 1000MOhm
Capacitance
80pF, typ.
General Specifications:
Efficiency
74% to 80%
Switching Frequency
250KHz, typ. 100% load
Output Specifications:
Voltage accuracy
1% max.
Voltage balance (Dual Output) 1%
Ripple & Noise (at 20MHz BW) 60m Vp-p, max.
Short circuit protection
Continuous
Short circuit restart
Automatic
Line voltage regulation
0.5%, max.
Load voltage regulation
0.5%, max.
Temperature Coefficient
0.2% /C, typ.
Input Specifications:
Voltage range
24VDC, 9~36VDC
48VDC, 18~72VDC
Filter
p
(Pi)Network
Physical Specifications:
Dimensions
31.75x20.32x10.16mm
1.25x0.8x0.4 inches
Weight
26g
Case material
Nickel-Coated Copper
Environmental Specifications:
Operating temperature (ambient) -40C ... +85C
Storage temperature
-55C ... +125C
Case temperature
+100C, max.
Derating
None required
Humidity (non-condensing)
Up to 90%
Cooling
Free-air Convection
OUTLINE DIMENSIONS
& PIN CONNECTIONS
Pin
1500VDC
Single
Dual
+V Input
N.C.
N.C.
Omitted
-V Output
+V Output
-V Input
+V Output
-V Output
Omitted
N.C.
N.C.
+V Input
+V Input
-V Output
Common
Omitted
Common
+V Output
-V Input
+V Output
Common
Omitted
Common
-V Output
+V Input
Omitted
-V Input
-V Input
N.C.
Omitted
N.C.
Omitted
+ V Output
Omitted
-V Output
+V Input
+V Input
Omitted
Omitted
-V Input
-V Input
Common
Omitted
-V Output
Omitted
+ V Output
Omitted
Common
+V Input
+V Input
Omitted
1
2
3
9
10
11
12/13
14
15
16
22
23
24
3500VDC
Single
Dual
Continued on next page
DC-DC CONVERTERS
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