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NGA

Description
Non-Isolated Wide Input DC-DC Converters
File Size100KB,3 Pages
ManufacturerCANDD
Websitehttp://www.cdpowerelectronics.com/
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NGA Overview

Non-Isolated Wide Input DC-DC Converters

NGA SERIES
Non-Isolated Wide Input DC/DC Converters
SELECTION GUIDE
1
Nominal Output
Input Voltage
Voltage
Output
Current
Nominal
Input Current
@ Full Load
Power
Nominal
Consumption @ Efficiency
Shutdown
Min Full Min Nom Max Min Nom Max Min Max
Load Load V
IN
V
IN
V
IN
V
IN
V
IN
V
IN
V
IN
V
IN
Order Code
NGA10S15018S
NGA10S15025S
NGA10S15033S
NGA10S15050S
2
(V)
15
15
15
15
(V)
1.8
2.5
3.3
5.0
A
0
0
0
0
2.0
2.0
2.0
2.0
847
1142
1478
1493
mA
280
380
480
705
160
210
269
388
0.5
0.5
0.5
1.0
mW
4.8
4.8
4.8
4.8
%
16.1
16.1
16.1
16.1
89
92
94
95
81
85
88
92
INPUT CHARACTERISTICS
1
Parameter
Conditions
MIN
TYP
MAX
Units
FEATURES
Industry Standard Footprint
Short Circuit Protection
Efficiency to 95%
Wide Input Range
1.8V, 2.5V, 3.3V & 5V Output
Operating Temperature Range
–40°C to 85°C
SMD Construction
Optional Shutdown & Trim Pins
DESCRIPTION
The NGA series is a range of low profile
DC/DC converters offering a single regulated
output over a wide input voltage range. All
parts deliver the full output power up to 85°C
without the need for external heatsinking
while the synchronus rectification design
yields excellent efficiencies up to 95%.
Continuous operation
4.75
1.8,2.5 & 3.3V output types
Continuous operation NGA10S15050S
7.0
Continuous operation NGA10S15050SE Variable
3
1.8V output types
Reflected Ripple 2.5V output types
Current
3.3V output types
5.0V output types
Voltage Range
15
15
15
29
49
48
99
28
28
28
VDC
mA p-p
OUTPUT CHARACTERISTICS
1
Parameter
Conditions
MIN
TYP
MAX
Units
Rated Power
Voltage Set
Point Accuracy
Line Regulation
T
A
= –40°C to 85°C
±1.5
0.2
1.5
40
10
±5.0
0.5
2.0
70
W
%
%/%
%
mVp-p
Low line to high line,
with external input/output capacitors,
refer to test circuit
10% load to 100% load,
Load Regulation with external input/output capacitors,
refer to test circuit
BW = DC to 20MHz
Ripple & Noise With external input/output capacitors,
refer to test circuit
ABSOLUTE MAXIMUM RATINGS
Short circuit protection
Internal power dissipation
Lead temperature 1.5mm from case for 10 seconds
Input Voltage V
IN
Minimum load
Output Trim Control
Shutdown Control
Continuous
1.1W
300°C
28V
0%
0V to +5V relative to 0V
–0.3V to +28V relative to 0V
ENVIRONMENTAL
1
Parameter
Conditions
MIN
TYP
MAX
Units
Operation
Storage
PCB Temperature above Ambient
– 40
– 50
40
85
125
°C
°C
°C
TERMINOLOGY
TRANSIENT RESPONSE
Time for V
OUT
to be within 1% of V
NOM
where V
NOM
=
V
OUT
25% +V
OUT
75%
2
OVER-SHOOT/UNDER-SHOOT
MAX deviation from final steady state output.
START DELAY
Typical rise time (ms) after control pin high with valid input.
1 Specifications typical at T
A
=25°C, nominal input voltage and rated output current unless otherwise specified.
2. If optional VADJ and SD pin are required (as indicated in the mechanical dimensions diagram) suffix the part
number with an E when ordering, i.e. NGA10S15050SE.
3. Supply voltage should exceed output voltage by 1.45V.
www.cdpoweronline.com

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NGA NGA10S15050S NGA10S15033S NGA10S15025S NGA10S15018S
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