page 1 of 2 www.pduke.com 2013/5/3 psr1.0 series non- isolation dc-dc converter output specifications output current 1a, max. voltage accuracy 2%vo minimum load 0% line regulation 0.2%vo 1.2vdc,1.5vdc(standard) 0.6%vo others(standard) 0.4%vo 1.2vdc,1.5vdc,1.8vdc (suffix-a) 1.2%vo load regulation 10% to 100% of f.l others(stuffix-a) 0.4%vo ripple and noise vout = 1.2vdc to 6.5vdc 50mvp-p 20mhz bandwidth vout = 9vdc to 15vdc 75mvp-p temperature coefficient 0.015%/ , max. peak deviation 150mv dynamic load response load change step 50% 100% of f.l. recovery time 250 s output current limit 2.5a output short circuit continuous, automatics recover y capacitor load (note 4) 470 f, max. output voltage overshoot-startup full load 1%vo, ma x. general specifications efficiency (note 3) see table isolation voltage none switching frequency 500khz10% design meet safety standard iec60950-1, ul60950-1, en60950-1 case material non-conductive black plastic base material none potting material silicon (ul94-v0) dimensions 0.46 x 0.30 x 0.40 inch (11.7 x 7.5 x 10.1 mm) weight 1.9g(0.07oz) bellcore-tr-nwt-000332 2.849 x 10 7 hrs mtbf (note 1) mil-hdbk-217f 5.358 x 10 6 hrs input specifications input voltage range (note 5) 4.6vdc ~ 36vdc vout = 1.2vdc to 3.3vdc 9v nominal input vout = 5vdc to 6.5vdc 12v nominal input vout = 9vdc to 15vdc 24v nominal input maximum input current vin=vin(min), io=io(max) 1a input filter c filter input reflected ripple current 150ma environmental specifications operating temperature range ?40oc ~ +85oc (with derating) storage temperature range ?55oc ~ +125 oc thermal shock mil-std- 810f over temperature protection internal ic junction 15 0 feature specifications rise time time for vo to rise from 10% to 90%of vo 2ms, max. t e c h n i c a l s p e c i f i c a t i o n all specifications are typical at nominal input, fu ll load and 25oc otherwise noted features ? pin-out compatible with lm78xx linear regulators ? small size and low profile: sip3 l x w x h = 0.46? x 0.30? x 0.40? ? high efficiency up to 96% ? low standby current ? wide input range: 4.6 ~ 36vdc ? over-current protection ? short circuit protection ? over-temperature protection ? low output ripple and noise ? fixed switching frequency (500 khz) ? safety meets ul60950-1, en60950-1 and iec60950-1 ? iso9001 certified manufacturing facilities ? compliant to rohs eu directive 2011/65/eu description the psr1.0-series are high performance switching re gulators are suited to replace 78xx linear regulators and pin compatible. it provi des 1a output current and high efficiency up to 96%. applications wireless network telecom/datacom industry control system distributed power architectures semiconductor equipment microprocessor power applications note 1. bellcore tr-nwt-000332. case i: 50% stress, temper ature at 40oc. (ground fixed and controlled environment) mil-hdbk-217f notice2 @ta=25 oc, full load (ground, benign, controlled environment) 2. typical value at minimum to maximum input voltage and no load. 3. typical value at minimum or maximum input voltage and full load. 4. tested with minimum input and constant resistive l oad. 5. with a c1 (22uf/50v) input capacitor for input vol tage > 32vdc, the input voltage allows 36 vdc, max. caution: this power module is not internally fused. an inpu t line fuse must always be used.
page 2 of 2 www.pduke.com 2013/5/3 psr1.0 series non- isolation dc-dc converter 70 75 80 85 90 95 100 10 20 30 40 50 60 70 80 90 100 % of full load efficiency(%). 70 75 80 85 90 95 100 6.5 9.33 12.16 14.99 17.82 20.65 23.48 26.31 29.14 32 input voltage(v) efficiency(%). 0 20 40 60 80 100 120 0 20 40 60 80 100 ambient temperature,ta( ) output power(%). 68 - 40 mechanical drawing for stardands mechanical drawing for suffix-a pin connection pin define 1 +vin 2 gnd 3 +vout 1. all dimensions in inch (mm) tolerance: x.xx0.02 (x.x0.5) x.xxx0.01 (x.xx0.25) 2. pin pitch tolerance 0.01(0.25) 3. pin dimension tolerance 0.004 (0.1) pin connection pin define 1 +vin 2 gnd 3 +vout output current efficiency (%) (3) model name input voltage(5) output voltage min. load max. load no load current (2) min. vin max. vin psr1.0-1p2 4.6 ~ 36vdc 1.2vdc 1ma 74 62 psr1.0-1p5 4.6 ~ 36vdc 1.5vdc 1ma 78 65 psr1.0-1p8 4.6 ~ 36vdc 1.8vdc 1ma 82 69 psr1.0-2p5 4.6 ~ 36vdc 2.5vdc 1ma 87 75 psr1.0-3p3 4.75 ~ 36vdc 3.3vdc 2ma 91 78 psr1.0-5p0 6.5 ~ 36vdc 5.0vdc 1ma 94 84 psr1.0-6p5 9.0 ~ 36vdc 6.5vdc 1ma 93 87 psr1.0-9p0 12 ~ 36vdc 9.0vdc 1ma 95 90 psr1.0-012 15 ~ 36vdc 12vdc 1ma 95 92 psr1.0-015 18 ~ 36vdc 15vdc 0a 1a 1ma 96 94 psr1.0-5p0 derating curve psr1.0-5p0 efficiency vs input voltage psr1.0-5p0 efficiency vs output load 85
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