Series AM1LO
1 Watt | DC-DC Converter
www.aimtec.com Tel: +1 514 620 2722 Toll free: + 1 888 9 AIMTEC (924 6832)
F 051e R12.I 1 of 6 North America only
FEATURES:
• I/O Isolation 4200VDC
• SMD open frame package
• Operating temperature -40oC to + 105oC
• Efficiency up to 78%
• Rated working voltage 250Vrms/400VDC
• High MTBF of over 7Mh
Models
Single output
Model
Input
Voltage
(V)
Output
Voltage
(V)
Output
Current
Max | Min
(mA)
Input
Current Full
| No Load
(mA)
Isolation
(VDC)
Max
Capacitive
Load
(uF)
Efficiency
(%)
AM1LO-0303SH421
2.97-3.63
3.3
303
30
416
50
4200
220
73
AM1LO-0305SH421
2.97-3.63
5
200
20
404
50
4200
220
75
AM1LO-0503SH421
4.5-5.5
3.3
303
30
274
40
4200
220
73
AM1LO-0505SH421
4.5-5.5
5
200
20
264
40
4200
220
76
Models
Dual output
Model
Input
Voltage
(V)
Output
Voltage
(V)
Output
Current
Max | Min
(mA)
Input
Current Full
| No Load
(mA)
Isolation
(VDC)
Max
Capacitive
Load
(uF)
Efficiency
(%)
AM1LO-0303DH421
2.97-3.63
±3.3
±151
±15
404
50
4200
±100
75
AM1LO-0305DH421
2.97-3.63
±5
±100
±10
389
50
4200
±100
78
AM1LO-0503DH421
4.5-5.5
±3.3
±151
±15
267
40
4200
±100
75
AM1LO-0505DH421
4.5-5.5
±5
±100
±10
257
40
4200
±100
78
NOTE: 1. Add suffix “TR” to a part number when ordering in tape and reel package.
NOTE: 2. All specifications in this datasheet are measured at an ambient temperature of 25°C, humidity<75%, nominal input voltage and at
rated output load unless otherwise specified.
Input Specifications
Parameters
Nominal
Typical
Maximum
Units
Voltage range
3.3
5
2.97-3.63
4.5-5.5
VDC
Filter
Capacitor
Absolute Maximum Rating
3.3 Vin
5 Vin
-0.7-5
-0.7-9
VDC
Peak Input Voltage time
1
s
Input Reflected Ripple Current
3.3 & 5V Input
20
mA p-p
External fuse
Recommended slow blow type
1A for 3.3V and 500mA for 5V input models
Startup time
Nominal Vin
20
ms
Isolation Specifications
Parameters
Conditions
Typical
Rated
Units
Tested I/O voltage
60 sec
4200
VDC
Resistance
>1000
MOhm
Capacitance
25
pF
Output Specifications
Parameters
Conditions
Typical
Maximum
Units
Voltage accuracy
See tolerance chart
Short Circuit protection
Momentary, 0.5s
Line voltage regulation
For ±1% of Vin
±1.2
% of Vin
Load voltage regulation
10% - 100%
load
3.3V output
±15
%
5V output
±12
Temperature coefficient
100% load
±0.03
%/oC
Click on Series name for product info on aimtec.com
Series AM1LO
1 Watt | DC-DC Converter
www.aimtec.com Tel: +1 514 620 2722 Toll free: + 1 888 9 AIMTEC (924 6832)
F 051e R12.I 2 of 6 North America only
Ripple & Noise*
20MHz
Bandwidth
Single output
±150
mV p-p
Dual output
±120
*Ripple and Noise measured with a 10uF EC and 0.1uF CC.
General Specifications
Parameters
Conditions
Typical
Maximum
Units
Switching frequency
50-80
KHz
Operating temperature
With derating above +100
-40 to +105
oC
Storage temperature
-55 to +125
oC
Cooling
Free air convection (30-65LFM)
Humidity
Non-Condensing
95
% RH
Base material
Non-conductive black plastic (UL94-V0)
Weight
Single output models
1.52
g
Dual output models
1.80
Dimensions (L x W x H)
Single output models
0.50 x 0.44 x 0.27 inches 12.70 x 11.20
x 6.85 mm
Dual output models
0.60 x 0.44 x 0.27 inches 15.24 x 11.20
x 6.85 mm
MTBF
>7Mhrs (MIL-HDBK -217F, Ground Benign, t=+25oC)
Reflow temperature
10 sec max
245
oC
Environmental Specifications
Parameters
Vibration
Test mode
Per MIL-STD-810F
Safety Specifications
Parameters
Approval
CE, UL, IEC/EN/UL60950-1 & IEC/EN/UL62368-1
Standards
EMI - Conducted and radiated emission
EN55032, class B (with the recommended EMI circuit)
Electrostatic Discharge Immunity
IEC 61000-4-2: Criteria A
RF, Electromagnetic Field Immunity
IEC 61000-4-3: Criteria A
Electrical Fast Transient/Burst Immunity
IEC 61000-4-4: Criteria A (with the recommended EMC circuit)
Surge Immunity
IEC 61000-4-5: Criteria A (with the recommended EMC circuit)
RF, Conducted Disturbance Immunity
IEC 61000-4-6: Criteria A
Power frequency Magnetic Field Immunity
IEC 61000-4-8: Criteria A
Pin Out Specifications Dimensions
Single output models
Pin
Single
1
- V Input
2
+ V Input
4
-V Output
5
+V Output
8
N.C.
1
6.85
(0.27)
2.54
(0.10)
0.25
(0.01)
12.00
(0.47)
24
58
1.25
(0.05)9.50
(0.37)
12.70
(0.50)
5.08
(0.20)
9.70
(0.38)0.75
(0.03)
5.24
(0.21)
1.00
(0.04)
All dimensions are in mm (inch)
Pin Tolerance: ±0.25mm (0.01inch)
Case Tolerance: ±0.50mm (0.02inch)
11.20
(0.44)
Solder pad dimensions
Series AM1LO
1 Watt | DC-DC Converter
www.aimtec.com Tel: +1 514 620 2722 Toll free: + 1 888 9 AIMTEC (924 6832)
F 051e R12.I 3 of 6 North America only
Pin Out Specifications Dimensions
Dual output models
EMI Recommended Circuit (Class B)
EMC Recommended Circuit
Pin
Dual
1
- V Input
2
+ V Input
4
Common
5
-V Output
7
+V Output
10
N.C.
C1
L
22 µF / 10V
6.8 µH
C1
TVS
330 µF / 50V
9V
Single Output
L
C1 DC/DC
Converter
+V input
-V input
+V output
Load
-V output
Conducted/Radiated Emmissons
DC/DC
Converter
+Vin
-Vin
+Vout
-Vout
Load
C1 TVS
+
1
6.85
(0.27)
2.54
(0.10)
0.25
(0.01)
12.00
(0.47)
24
7
10
1.25
(0.05)9.50
(0.37)
15.24
(0.60)
5.08
(0.20)
9.70
(0.38)0.75
(0.03)
5.42
(0.21)
1.00
(0.04)
All dimensions are in mm (inch)
Pin Tolerance: ±0.25mm (0.01inch)
Case Tolerance: ±0.50mm (0.02inch)
Solder pad dimensions
11.20
(0.44)
5
Series AM1LO
1 Watt | DC-DC Converter
www.aimtec.com Tel: +1 514 620 2722 Toll free: + 1 888 9 AIMTEC (924 6832)
F 051e R12.I 4 of 6 North America only
Input Reflected Ripple Current Test Circuit
Aimtec
DC -DC
Converter
L1
12 µH
C1
47 µF
Test
Point
RL
( Full Load)
Vin +
Vin -
+
-
Vo +
Vo -
* Tested at full load and nominal input
C1 – ESR<1at 100KHz
Derating
Load Accuracy Tolerance Graph
AM1LO-0503SH421 AM1LO-0303SH421 & AM1LO-0505SH421
-
-7
040 100
80 120
100
80
60
40
20
0
Safe Operating Area
Free Air Convection
Ambient Temperature º C
140
-40
Output Power %
-20
105C
ºC
100
-
-7
12.5
7.5
2.5
Series AM1LO
1 Watt | DC-DC Converter
www.aimtec.com Tel: +1 514 620 2722 Toll free: + 1 888 9 AIMTEC (924 6832)
F 051e R12.I 6 of 6 North America only
Typical Efficiency vs. Loading
NOTE: 1. Datasheets are updated as needed and as such, specifications are subject to change without notice. Once printed or downloaded, datasheets are no longer controlled
by Aimtec; refer to www.aimtec.com for the most current product specifications. 2. Product labels shown, including safety agency certifications on labels, may vary based on the
date manufactured. 3. Mechanical drawings and specifications are for reference only. 4. All specifications are measured at an ambient temperature of 25°C, humidity<75%,
nominal input voltage and at rated output load unless otherwise specified. 5. Aimtec may not have conducted destructive testing or chemical analysis on all internal components
and chemicals at the time of publishing this document. CAS numbers and other limited information are considered proprietary and may not be available for release. 6. This
product is not designed for use in critical life support systems, equipment used in hazardous environments, nuclear control systems or other such applications which necessitate
specific safety and regulatory standards other the ones listed in this datasheet. 7. Warranty is in accordance with Aimtec’s standard Terms of Sale available at www.aimtec.com.
0%
20%
40%
60%
80%
100%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Efficiency (%)
Output load (%)
Efficiency vs Output load
