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FEATURES
• OUTPUT CURRENT UP TO 16A
• SMALL SIZE AND LOW PROFILE :
1.30” X 0.53” X 0.30” (SMD) ; 2.00” X 0.50” X 0.28” (SIP)
• HIGH EFFICIENCY - 95% @ 3.3V FULL LOAD
• INPUT RANGE FROM 2.4VDC TO 5.5VDC
• FIXED SWITCHING FREQUENCY (300KHZ)
• SMD & SIP PACKAGES
• OUTPUT VOLTAGE PROGRAMMABLE FROM 0.75VDC TO 3.3VDC
VIA EXTERNAL RESISTOR
• INPUT UNDER-VOLTAGE LOCKOUT
• UL60950-1, EN60950-1 AND IEC60950-1 LICENSED
• ISO9001 CERTIFIED MANUFACTURING FACILITIES
• COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
OPTIONS
Positive Logic Remote on/off
APPLICATIONS
Wireless Network
Telecom/Datacom
DESCRIPTION
Industry Control System
Distributed Power Architectures
Semiconductor Equipment
Microprocessor Power Applications
DOS16-05T (SMD type), DOH16-05T (for Vertical Mounting SIP type) and
DOH16-05TA (for Horizontal Mounting SIP type) are non-isolated DC/DC
converters that can deliver up to 16A of output current with full load efficiency of
95% at 3.3V output.
T E C H N I C A L S P E C I F I C AT I O N All specifications are typical at nominal input, full load and 25ºC otherwise noted
OUTPUT SPECIFICATIONS
INPUT SPECIFICATIONS
Output current
16A max.
± 2%Vo(set)
0%
Input voltage range
Vo(set) < Vin – 0.5V
2.4 – 5.5VDC
16A
Voltage accuracy
Minimum load
Full load and Vin(nom.)
Maximum input current Vin=2.4 to 5.5V; Io=Io(max.)
Input filter (Note 5)
C filter
Vin=Vo(set)+0.5V to Vin(max.)
at Full Load
Line regulation
Load regulation
± 0.3%Vo(set),typ.
± 0.4%Vo(set),typ.
Vo(set) =0.75Vdc
Vo(set) =3.3Vdc
Start-up voltage
Shutdown voltage
Input no load current
(Vin=5V, Io=0, module enabled)
100mA,typ.
130mA,typ.
No Load to Full Load
2.2V,typ.
2.0V,typ.
Input under voltage lockout
Input reflected ripple
15mVrms,max.
50mVp-p,max.
Ripple and noise (Note2) 20MHz bandwidth
Temperature coefficient
5~20MHz, 1μH source impedance
100mAp-p
±0.4%, typ.
current
ΔIo /Δt = 2.5A/μS ,Vin(nom.)
Peak deviation 300mV,typ.
Setting time
ENVIRONMENTAL SPECIFICATIONS
Dynamic load
Load change step
response
Operating ambient temperature
Storage temperature range
Thermal shock
–40ºC ~ +85ºC(with derating)
–55ºC ~ +125ºC
(50% to 100% or
(Note 2)
(Vo<10%peak
deviation)
25μS,typ.
100% to 50% of Io(max.))
ΔIo /Δt = 2.5A/μS ,Vin(nom.)
Peak deviation 150mV,typ.
Dynamic load
MIL-STD-810F
Load change step
response
Setting time
(Vo<10%peak 100μS,typ.
deviation)
(50% to 100% or
(Note 3)
Over temperature protection
125ºC,typ.
100% to 50% of Io(max.))
Output current limit
FEATURE SPECIFICATIONS
180%,typ.
Remote ON/OFF(Note 6)
Output short-circuit current
Hiccup, automatics recovery
Negative logic(standard)
Positive logic(option)
ON = 0V < Vr < 0.3V
OFF =1.5V < Vr < Vin(max) IIN=1mA,max.
ON = Vin(max)
OFF=0V < Vr < 0.3V
IIN=10μA,max.
ESR≧1mΩ
External load capacitance
1000μF,max.
5000μF,max.
ESR≧10mΩ
IIN=10μA,max.
IIN=1mA,max.
10μA~1.0mA
Output voltage overshoot-startup Vin=2.4~5.5V, F.L.
Voltage adjustability (see fig.1) (Note 4)
1%Vo(set)
0.7525V ~ 3.63V
Input current of Remote control pin
Remote off state input current
Nominal Vin
1.5mA,typ.
0.5V,max.
GENERAL SPECIFICATIONS
Remote sense range
Efficiency
See table
None
Rise time
Time for Vo to rise from 10% to 90%of Vo(set)
Case 1 (Note 7)
6ms,max.
Isolation voltage
Switching frequency
1ms,typ.
1ms,typ.
300KHz, typ.
Turn-on delay time
Case 2 (Note 8)
Approvals and standard
IEC60950-1, UL60950-1, EN60950-1
SMD
SIP
1.30 X 0.53 X 0.30 Inch
(33.0 X 13.5 X 7.7 mm)
2.00 X 0.50 X 0.28 Inch
(50.8 X 12.7 X 7.2 mm)
Dimensions
Weight
6.0g(0.22oz)
BELLCORE TR-NWT-000332
MIL-HDBK-217F
1.428 x 107 hrs
MTBF (Note 1)
6.523 x 105 hrs
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