User Manual

GE
Data Sheet
12V PicoTLynx
TM
3A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.59Vdc to 5.5Vdc output; 3A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 3
Electrical Specifications (continued)
Parameter Device Symbol Min Typ Max Unit
Output Voltage Set-point (with 0.5% tolerance for external
resistor used to set output voltage)
All V
O, set
-1.5 +1.5 % V
O, set
Output Voltage (Over all operating input voltage, resistive load,
and temperature conditions until end of life)
All V
O, set
-3.0
⎯
+3.0 % V
O, set
Adjustment Range (selected by an external resistor)
(Some output voltages may not be possible depending on the
input voltage – see Feature Descriptions Section)
All V
O
0.59 5.5 Vdc
Remote Sense Range All 0.5 Vdc
Output Regulation (for V
O
≥ 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All
⎯
+0.4 % V
O, set
Load (I
O
=I
O, min
to I
O, max
) All
⎯
10 mV
Temperature (T
ref
=T
A, min
to T
A, max
) All
⎯
+0.4 % V
O, set
Output Regulation (for V
O
< 2.5Vdc)
Line (V
IN
=V
IN, min
to V
IN, max
) All
⎯
10 mV
Load (I
O
=I
O, min
to I
O, max
) All
⎯
5 mV
Temperature (T
ref
=T
A, min
to T
A, max
) All
⎯
5 mV
Remote Sense Range All 0.5 V
Output Ripple and Noise on nominal output
(V
IN
=V
IN, nom
and I
O
=I
O, min
to I
O, max
Co = 0.1μF // 10 μF ceramic
capacitors)
V
O
> 3.3V Peak-to-Peak (5Hz to 20MHz bandwidth) All
⎯
110 135 mV
pk-pk
RMS (5Hz to 20MHz bandwidth) All 35 45 mV
rms
V
O
≤ 3.3V Peak-to-Peak (5Hz to 20MHz bandwidth) All
⎯
50 110 mV
pk-pk
RMS (5Hz to 20MHz bandwidth) All 20 40 mV
rms
External Capacitance
1
Without the Tunable Loo
p
TM
ESR ≥ 1 mΩ All C
O, max
0
⎯
47 μF
With the Tunable Loo
p
TM
ESR ≥ 0.15 mΩ All C
O, max
0
⎯
1000
μ
F
ESR ≥ 10 mΩ All C
O, max
0
⎯
3000 μF
Output Current All I
o
0 3 Adc
Output Current Limit Inception (Hiccup Mode ) All I
O, lim
200 % I
o,max
Output Short-Circuit Current (V
O
≤250mV) ( Hiccup Mode ) All I
O, s/c
300 mA
Efficiency V
O,set
= 0.59Vdc η
73.3
%
V
IN
= 12Vdc, T
A
=25°C V
O, set
= 1.2Vdc η
82.9
%
I
O
=I
O, max ,
V
O
= V
O,set
V
O,set
= 1.8Vdc η
86.5
%
V
O,set
= 2.5Vdc η
88.9
%
V
O,set
= 3.3Vdc η
90.6
%
V
O,set
= 5.0Vdc η
92.6
%
Switching Frequency All f
sw
⎯
600
⎯
kHz
Dynamic Load Response
(dIo/dt=10A/μs; V
IN
= V
IN, nom
; V
out
= 1.8V, T
A
=25°C)
Load Change from Io= 50% to 100% of Io,max; Co = 0
Peak Deviation All V
pk
220 mV
Settling Time (Vo<10% peak deviation)
All t
s
60
μs
Load Change from Io= 100% to 50%of Io,max: Co = 0
Peak Deviation All V
pk
240 mV
Settling Time (Vo<10% peak deviation)
All t
s
60
μs
1
External capacitors may require using the new Tunable Loop
TM
feature to ensure that the module is stable as well as getting the best
transient response. See the Tunable Loop
TM
section for details.