AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Features General Description • Output voltage 2.5/2.7/2.8/3.0/3.3/4.5/5.0V • Output current 150mA • Output noise voltage 35μVrmstyp. • No-load input current 90μA typ. • I/O voltage difference 0.1V typ.(Io=50mA) • Ripple rejection ratio 70dB typ. • Bulit-in On/Off control The AT1201 is a low-noise, low-dropout, low-quiescent-current linear regulator designed for battery-powered applications. The output voltage precision is within ±2﹪and output currents of up to 150mA；the input/output voltage difference at 50mA is only 0.1V. Applications • Cordless phones • Portable phones, PHS • Other battery operating system Block Diagram Aimtron reserves the right without notice to change this circuitry and specifications. 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 1 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Pin Assignment Ordering Information Part number AT1201-□□X AT1201-□□X_Green Package SOT-25 SOT-25, Green AT1201-□□XR AT1201-□□XR_Green SOT-25 SOT-25, Green Marking Date Code ,Date Code with one bottom line Date Code ,Date Code with one bottom line □□:Output Voltage 25::2.5V 27::2.7V 28:2.8V 30:3.0V 33:3.3V 45::4.5V 50:5.0V ■: A:5V B:3.3V C:3.0V D:2.8V E:2.7V F:4.5V G:2.5V : Date Code *For more marking information, contact our sales representative directly Absolute Maximum Ratings Item Symbol Ratings Units Storage temperature Operating temperature Power supply voltage Output current Power consumption TSTG TOPR VCC IOUT Pd -40〜＋125 -30〜＋85 -0.3〜＋14 200 150 ℃ ℃ V mA mW Item Symbol Ratings Units Operating temperature Output current Operating voltage TOP IOP VOP -20〜＋75 0〜150 3.4〜10 ℃ mA V Recommended Operating Condition 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 2 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Electrical Characteristics (Except where noted otherwise, Ta＝25℃) Item Output voltage Symbol VO Measurement conditions Min. VIN=VO+1V, IO=30mA VOUT -2﹪ No-load consumption current Iccq1 VIN=VO+1V, IO=0mA Input current while off Iccq2 VIN=VO+1V, VCONT=0V I/O voltage difference Vd min VIN=VO-0.2V, IO=50mA ΔV1 Input fluctuations VIN=VO+1V~10V, IO=50mA ΔV2 Load fluctuation VIN=VO+1V, IO=0~100mA Tj=-20~+75℃,VIN= VO+1V, Output voltage temperature ΔVO/ΔT coefficient IO=30mA VIN=VO+1V, IO=30mA, 50 Ripple rejection rate RR VRIPPLE=1VP-P,f=120Hz VIN=VO+1V, f=20~80kHz, Output noise voltage Vn IO=30mA, Cn=0.01μF CONT pin current while on ICONT VCONT=1.6V Typ. Max. Units VOUT VOUT +2﹪ V 180 0.1 0.2 20 60 μA μA V mV mV 90 0.1 10 30 100 ppm/℃ 70 dB 35 (3V item) μVrms 5 15 μA V V CONT pin high level H 1.6 VIN +0.3V CONT pin low level L -0.3 0.4 Measuring Circuit 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 3 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Characteristics (33X,33XR Series ) •Consumption current (VIN=4.3V) •I/O voltage difference (VIN=3.1V) •Current limit (VIN=4.3V) •Output fluctuation (IO=30mA) •Load fluctuation (VIN=4.3V) •No-load input current 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 4 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO •Load step (1mA-200mA) •Chip enable transient response •Current limit response 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 5 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Small Outline SOT-25 SYMBOL A A1 A2 b C D E E1 L e e1 r INCHES MIN 0.035 0.000 0.035 0.010 0.003 0.110 0.102 0.059 0.014 00 MAX 0.057 0.006 0.051 0.020 0.008 0.122 0.118 0.069 0.022 0.037ref 0.075ref 100 MILLIMETERS MIN MAX 0.90 1.45 0.00 0.15 0.90 1.30 0.25 0.50 0.08 0.20 2.80 3.10 2.60 3.00 1.50 1.75 0.35 0.55 0.95ref 1.90ref 00 100 NOTES - - 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 6 AT1201 Preliminary Product Information 2.5/2.7/2.8/3.0/3.3/4.5/5.0V 150mA LDO Reflow Profiles Profile Feature Sn-Pb Eutectic Assembly Large Body Small Body Pkg. thickness Pkg. thickness <2.5mm or Pkg. ≥2.5mm or Pkg. 3 volume ≥350mm3 volume <350mm Average ramp-up rate (TL to TP) Preheat -Temperature Min(Tsmin) -Temperature Max (Tsmax) -Time (min to max)(ts) Tsmax to TL -Ramp-up Rate Time maintained above: -Temperature (TL) -Time (tL) Peak Temperature(TP) Time within 5°C of actual Peak Temperature (tP) Ramp-down Rate Time 25°C to Peak Temperature 3°C/second max. Pb-Free Assembly Large Body Small Body Pkg. thickness Pkg. thickness ≥2.5mm or Pkg. ≥2.5mm or Pkg. volume ≥350mm3 volume ≥350mm3 3°C/second max. 100°C 150°C 60-120 seconds 150°C 200°C 60-180 seconds 3°C/second max. 183°C 60-150 seconds 217°C 60-150 seconds 225+0/-5°C 10-30 seconds 240+0/-5°C 10-30 seconds 6°C/second max. 6 minutes max. 245+0/-5°C 10-30 seconds 250+0/-5°C 20-40 seconds 3°C/second max. 8 minutes max. *All temperatures refer to topside of the package, measured on the package body surface. 7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW: http://www.aimtron.com.tw 2/9/2006 REV:1.1 Email: [email protected] 7