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SIP/SIE 500 NON-ISOLATED SERIES
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Powering Communications and Technology
SIP/SIE 500
NON-ISOLATED SERIES
DESCRIPTION
SIP/SIE non-isolated step-down DC/DC converters
deliver high efficiency and excellent transient response in
an industry standard SIP package. The SIP/SIE series
has output voltages ranging from 1.2 to 3.3V and up to 6
amps of output current. The SIE model has power OK
and remote sense pins for added flexibility and improved
point of load regulation. The SIP/SIE series is available
for vertical or horizontal mounting. The SIP/SIE series
use 100% surface-mount construction for maximum
reliability and feature over seven million hours MTBF.
TECHNICAL SPECIFICATIONS
Voltage Range
5 VDC Nominal
Input
4.5 - 5.5 VDC
Output
Setpoint Accuracy
Line Regulation Vin Min. - Vin Max., Iout Rated
Load Regulation Iout Min.- Iout Max., Vin Nom.
Ripple and Noise, DC - 20 MHz
Remote Sense Headroom
Current Limit Protection Type
Current Limit Threshold Range, % of Iout Rated
Short Circuit Protection Type
±1%
1% Vout
1% Vout
50 mV Pk-Pk
0.25 V
Hiccup
150%
Latching
Power Good Signal (SIE model only);
Asserts “High” When Vout is Between the Following Thresholds:
Lower Sense Threshold, % Vsetpoint
-16% to -10%
Upper Sense Threshold, % Vsetpoint
+10% to +16%
Power Good Signal Reference
Common Ground
Vout Ramp Up Rate, Minimum
0.5V/ms
FEATURES
• Non-Isolated
• High Efficiency
Topology
• Excellent Transient
Response
• Sense and Power OK
(SIE Model Only)
• Surface-Mount
Construction
• Voltage Trim
• Vertical or Horizontal
Mounting
• Water Washable
Efficiency vs. Load
90
88
86
84
82 SIP502.5
80 EFF. (4.5v)
EFF. (5v)
78 EFF. (5.5v)
76
10 20 30 40 50 60 70 80 90 100
LOAD %
General
Remote Shutdown
Switching Frequency
Temperature Coefficient
Ambient Operating Temperature
Minimum Required Airflow
Storage Range
Humidity Max., Non-Condensing
Vibration, 3 Axes, 5 Min Each
MTBF† (Bellcore TR-NWT-000332)
Safety
Weight (approx.)
Negative Logic
350 KHz
0.03% /°C
0 to +55°C
200 LFM
-25 to +120°C
95%
5 g, 10 - 55 Hz
7.1 x 106 hrs
UL, cUL, TUV
0.25 oz
1
Notes
† MTBF predictions may vary slightly from model to model.
Specifications typically at 25°C, normal line, and full load, unless
otherwise stated.
Soldering Conditions: I/O pins, 260°C, ten seconds; fully
compatible with commercial wave-soldering equipment.
Safety: Agency approvals may vary from model to model. Please
consult factory for specific model information.
Units are water-washable and fully compatible with commercial
spray or immersion post wave-solder washing equipment.
Rev. April 5, 2001
Powering Communications and Technology
SIP/SIE 500
NON-ISOLATED SERIES
MODELS - (See the last page of Section for options.)
Selection Chart
Model
SIP501.2LT
SIP501.5LT
SIP501.8LT
SIP502.1LT
SIP502.5LT
SIP503.3LT
Vin
(Volts)
5
5
5
5
5
5
Vin Range
(Volts)
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
Iin Max.*
(Amps)
2.3
2.7
3.1
3.5
4.0
5.1
SIE501.2LT
SIE501.5LT
SIE501.8LT
SIE502.1LT
SIE502.5LT
SIE503.3LT
5
5
5
5
5
5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
4.5 - 5.5
2.3
2.7
3.1
3.5
4.0
5.1
* Maximum input current at minimum input voltage, maximum rated output power.
** At nominal Vin, rated output.
NOTE: For Right Angle Pins, Add suffix "R" to model number.
MECHANICAL DRAWING
SIP MODEL
Vout
(Volts)
1.2
1.5
1.8
2.1
2.5
3.3
1.2
1.5
1.8
2.1
2.5
3.3
Iout Rated
(Amps)
6
6
6
6
6
6
6
6
6
6
6
6
SIE MODEL
Efficiency
Typ. **
70%
75%
77%
81%
83%
87%
70%
75%
77%
81%
83%
87%
1 23 45
6 7 8 9 10 11
0.28
(7.10)
0.100 TYP. 0.025 SQ.
(2.54)
(0.64)
1.90
(48.26)
2.50
(63.5)
0.55
(14.0)
0.13 (3.30)
0.11
(2.80)
0.25
(6.40)
1 2345
6 7 8 9 10 11
0.28
(7.10)
0.10 TYP.
(2.54)
0.025 SQ.
(0.64)
1.90
(48.26)
2.50
(63.5)
0.55
(14.0)
0.13(3.30)
0.11
(2.80)
0.25
(6.40)
123 4 5
Right Angle Pins
0.100 TYP.
0.28
(7.10)
(2.54)
1.90
(48.26)
2.50
(63.5)
6 7 8 9 10 11
0.55
(14.0)
0.025 SQ.
(0.64)
0.09
(2.30)
0.27 0.13
(6.90) (3.30)
Right Angle Pins
1 2345
0.28
(7.10)
0.10 TYP.
(2.54)
1.90
(48.26)
2.50
(63.5)
6 7 8 9 10 11
0.55
(14.0)
0.025 SQ.
(0.64)
0.27 0.13
(6.90)(3.30)
0.09
(2.30)
Thermal Impedance
Natural Convection
100 LFM
200 LFM
300 LFM
400 LFM
24.4 °C/W
18.3 °C/W
15.0 °C/W
11.1 °C/W
7.9 °C/W
Note:
Thermal impedance data is
dependent on many environmental
factors. The exact thermal
performance should be validated
for specific application.
Pin Function
1 +Vout
2 +Vout
3 Sense (SIE)
4
5
G+Vroouunt d
6 Ground
7 +Vin
8 +Vin
9 PWR OK (SIE)
10 Trim
11 Enable
2
Tolerances
Inches:
.XX ± 0.020
.XXX ± 0.010
(Millimeters)
.X ± 0.5
.XX ± 0.25
Pin:
± 0.002
± 0.05
(Dimensions as listed unless
otherwise specified.)
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