DS_DCS04S0A0S06NFA_03192012
E-mail: DCDC@delta.com.tw
http://www.delta.com.tw/dcdc
P2
TECHNICAL SPECIFICATIONS
PARAMETER NOTES and CONDITIONS DCS04S0A0S06NFA
Min. Typ. Max. Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous) -0.3 6 Vdc
Tracking Voltage -0.3 Vin,max Vdc
Operating Ambient Temperature
-40 85
℃
Storage Temperature -55 125 °C
INPUT CHARACTERISTICS
Operating Input Voltage
Vo ≦ Vin –0.6
2.4 5.5 V
Input Under-Voltage Lockout
Turn-On Voltage Threshold 2.2 V
Turn-Off Voltage Threshold 2.0 V
Maximum Input Current Vin=2.4V to 5.5V, Io=Io,max 6.5 A
No-Load Input Current Vin=5V 15 mA
Off Converter Input Current Vin=5V 5 mA
Inrush Transient 1 A2S
Input Reflected Ripple Current, peak-to-peak (5Hz to 20MHz, 1µH source impedance; VIN =0 to 5.5V, Io= Iomax ; 25 mAp-p
Input Ripple Rejection (120Hz) 40 dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
with 0.5% tolerance for
external resistor used to set output voltage)
-1.5 Vo,set +1.5 % Vo,set
Output Voltage Adjustable Range 0.6 3.63 V
Output Voltage Regulation
For Vo>=2.5V 0.4 % Vo,set
Over Line
For Vo<2.5V 10 mV
For Vo>=2.5V 10 mV
Over Load
For Vo<2.5V 5 mV
Over Temperature
Ta=- 40℃ to 85℃
0.4 % Vo,set
Total Output Voltage Range Over sample load, line and temperature -3.0 +3.0 % Vo,set
Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth
Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 25 35 mV
RMS Full Load, 1µF ceramic, 10µF tantalum 10 15 mV
Output Current Range 0 6 A
Output Voltage Over-shoot at Start-up Vout=3.3V 1 % Vo,set
Output DC Current-Limit Inception Hiccup mode 200 % Io
Output Short-Circuit Current (Hiccup Mode) Io,s/c 1 Adc
DYNAMIC CHARACTERISTICS
Dynamic Load Response
10µF Tan & 1µF Ceramic load cap,
2.5A/µs,Co=47u,Vin=5V,Vo=1.8V
Positive Step Change in Output Current 0-50% Iomax 180 mV
Negative Step Change in Output Current 50% Iomax-0 180 mV
Settling Time to 10% of Peak Deviation 500 µs
Turn-On Transient Io=Io.max
Start-Up Time, From On/Off Control Von/off, Vo=10% of Vo,set 2 ms
Start-Up Time, From Input Vin=Vin,min, Vo=10% of Vo,set 2 ms
Output Voltage Rise Time Time for Vo to rise from 10% to 90% of Vo,set 2 5 ms
Output Capacitive Load
Full load; ESR ≧0.15mΩ
47 1000 µF
Full load; ESR ≧10mΩ
47 3000 µF
EFFICIENCY
Vo=3.3V Vin=5V, 100% Load 94.0 %
Vo=2.5V Vin=5V, 100% Load 91.5 %
Vo=1.8V Vin=5V, 100% Load 89..5 %
Vo=1.5V Vin=5V, 100% Load 88.0 %
Vo=1.2V Vin=5V, 100% Load 85.0 %
Vo=0.6V Vin=5V, 100% Load 76.0 %
FEATURE CHARACTERISTICS
Switching Frequency 600 kHz
ON/OFF Control, (Negative logic)
Logic Low Voltage Module On, Von/off -0.2 Vin-1.6 V
Logic High Voltage Module Off, Von/off Vin-0.8 Vin,max V
Logic Low Current Module On, Ion/off 200 µA
Logic High Current Module Off, Ion/off 0.2 1 mA
ON/OFF Control, (Positive Logic)
Logic High Voltage Module On, Von/off 1.6 Vin,max V
Logic Low Voltage Module Off, Von/off -0.3 0.3 V
Logic Low Current Module On, Ion/off 0.2 1 mA
Logic High Current Module Off, Ion/off 10 µA
0Tracking Slew Rate Capability 0.1 2 V/msec
Tracking Delay Time Delay from Vin.min to application of tracking voltage 10 ms
Tracking Accuracy Power-up 2V/mS 100 mV
Power-down 1V/mS 100 mV
GENERAL SPECIFICATIONS
MTBF Io=80% of Io, max; Ta=25°C TBD M hours
Weight 2.0 grams
(T
A
= 25°C, airflow rate = 300 LFM, V
in
=2.4Vdc to 5.5Vdc, nominal Vout unless otherwise noted.)
