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YNM12S05 DC-DC Converter Data Sheet
9.6-14 VDC Input; 0.7525-5.5 VDC Programmable @ 5 A
Electrical Specifications (continued)
Conditions: T A = 25 oC, Airflow = 300 LFM (1.5 m/s), Vin = 12 VDC, Vout = 0.7525 - 5.5 VDC, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Output Characteristics
Output Voltage Set Point (no load)
-1.5
Vout
+1.5
%Vout
Output Regulation
3
Over Line
Over Load
Full resistive load
From no load to full load
1
0.25
mV
%Vout
Output Voltage Range
(Over all operating input voltage, resistive load
and temperature conditions until end of life )
Output Ripple and Noise – 20 MHz bandwidth
Peak-to-Peak
RMS
External Load Capacitance
Min ESR > 1m ?
Min ESR > 10 m ?
Output Current Range
Output Current Limit Inception (I OUT )
Over line, load and temperature (Fig. D)
Plus full load (resistive)
-2.5
0
40
10
8.5
+2.5
80
25
1,000
2,000
5
%Vout
mV P-P
mV RMS
μ F
μ F
ADC
ADC
Output Short-Circuit Current
Short = 10 m ? , continuous
2
Arms
Dynamic Response
Iout step from 2.5 A to 5 A with di/dt = 5 A/ μ s 4
Co = 47 μ F ceramic. + 1 μ F ceramic
85
mV
Settling Time (V OUT < 10% peak deviation)
4
30
μs
Iout step from 5 A to 2.5 A with di/dt = -5 A/ μ s 4
Settling Time (V OUT < 10% peak deviation) 4
Co = 47 μ F ceramic + 1 μ F ceramic
80
30
mV
μs
Iout step from 2.5 A to 5 A with di/dt = 5 A/ μ s
Settling Time (V OUT < 10% peak deviation) 4
4
Co = 2x150 μ F polymer capacitors
55
40
mV
μs
Iout step from 5 A to 2.5 A with di/dt = -5 A/ μ s
Settling Time (V OUT < 10% peak deviation) 4
4
Co = 2x150 μ F polymer capacitors
60
60
mV
μs
Efficiency
Full load (5 A)
Trim resistor connected across the GND and TRIM pins of the converter.
See the waveforms section for dynamic response and settling time for different output voltages.
Additional Notes:
3
4
V OUT = 5.0 VDC
V OUT = 3.3 VDC
V OUT = 2.5 VDC
V OUT = 2.0 VDC
V OUT = 1.8 VDC
V OUT = 1.5 VDC
V OUT = 1.2 VDC
V OUT = 1.0 VDC
92.0
88.5
86.5
84.5
83.5
81.5
79.0
76.0
%
%
%
%
%
%
%
%
MCD10192 Rev. 1.0, 21-Jun-10
Page 4 of 24
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