PDF《30-A, 5-V INPUT, NON-ISOLATED,》

2 Submit Documentation Feedback Copyright ? 2007C2009, Texas Instruments Incorporated Product Folder Link(s): PTH05T210W DATASHEET TABLE OF CONTENTS ENVIRONMENTAL AND ABSOLUTE MAXIMUM RATINGS PTH05T210W www.ti.com.SLTS263ICAUGUST 2007CREVISED MARCH

2009 DATASHEET SECTION PAGE NUMBER ENVIRONMENTAL AND ABSOLUTE MAXIMUM RATINGS

3 ELECTRICAL CHARACTERISTICS TABLE (PTH05T210W)

4 TERMINAL FUNCTIONS

6 TYPICAL CHARACTERISTICS (VI = 5V)

7 ADJUSTING THE OUTPUT VOLTAGE

8 INPUT &

OUTPUT CAPACITOR RECOMMENDATIONS

10 TURBOTRANS? INFORMATION

14 UNDERVOLTAGE LOCKOUT (UVLO)

19 SOFT-START POWER-UP

20 REMOTE SENSE

20 OUTPUT INHIBIT

21 OVER-CURRENT PROTECTION

21 OVER-TEMPERATURE PROTECTION

22 AUTO-TRACK SEQUENCING

22 TAPE &

REEL AND TRAY DRAWINGS

25 (Voltages are with respect to GND) UNIT UNIT Signal input voltage Track control (pin 14) C0.3 to VI + 0.3 V TA Operating temperature range Over VI range C40 to

85 PTH05T210WAH Surface temperature of module body or pins Twave Wave soldering temperature

260 (5 seconds maximum) PTH05T210WAD PTH05T210WAS 235(1) °C Treflow Solder reflow temperature Surface temperature of module body or pins PTH05T210WAZ 260(1) Tstg Storage temperature Storage temperature of module removed from shipping package C55 to

125 Tpkg Packaging temperature Shipping Tray or Tape and Reel storage or bake temperature

45 Mechanical shock Per Mil-STD-883D, Method 2002.3

1 msec, sine, mounted

250 G Mechanical vibration Mil-STD-883D, Method 2007.2 20-2000 Hz

15 Weight 8.5 grams Flammability Meets UL94V-O (1) During reflow of surface mount package version do not elevate peak temperature of the module, pins or internal components above the stated maximum. Copyright ? 2007C2009, Texas Instruments Incorporated Submit Documentation Feedback

3 Product Folder Link(s): PTH05T210W ELECTRICAL CHARACTERISTICS PTH05T210W SLTS263ICAUGUST 2007CREVISED MARCH 2009.www.ti.com TA =25°C, VI =

5 V, VO = 3.3 V, CI =

1000 ?F, CO =

470 ?F OS-CON, and IO = IO max (unless otherwise stated) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 25°C, natural convection

0 30 IO Output current A 60°C,

200 LFM

0 30 VI Input voltage range Over IO range 4.5 5.5 V Output voltage adjust VOADJ Over IO range 0.7 3.6 V range Set-point voltage tolerance ±1 (1) %Vo Temperature variation C40°C <

TA <

85°C ±0.3 %Vo VO Line regulation Over VI range ±4 mV Load regulation Over IO range ±7 mV Total output variation Includes set-point, line, load, C40°C ≤ TA ≤ 85°C ±1.5 (1) %Vo RSET = 1.62 k?, VO = 3.3 V 95% RSET = 5.23 k?, VO = 2.5 V 94% RSET = 12.7 k?, VO = 1.8 V 92% η Efficiency IO =

26 A RSET = 19.6 k?, VO = 1.5 V 91% RSET = 35.7 k?, VO = 1.2 V 89% RSET = 63.4 k?, VO = 1.0 V 87% Open, VO = 0.7 V 83% VO Ripple (peak-to-peak) 20-MHz bandwidth

10 mVPP ILIM Overcurrent threshold Reset, followed by auto-recovery

55 A ttr w/o TurboTrans Recovery time

50 ?s CO = 470?F ΔVtr VO over/undershoot

140 mV ttr w/o TurboTrans Recovery time

50 ?s 2.5 A/?s load step Transient response CO = 940?F, Type C

50 to 100% IOmax ΔVtr VO over/undershoot

120 mV ttrTT w/ TurboTrans Recovery time

5 ?s CO = 940?F, Type C ΔVtrTT VO over/undershoot

80 mV IIL Track input current (pin 14) Pin to GND C130(2) ?A dVtrack/dt Track slew rate capability CO ≤ CO (max)

1 V/ms VI increasing 4.00 4.25 4.45 Adjustable Undervoltage UVLOADJ Pin

1 open V lockout (pin 1) VI TurnCOff Hysterisis 0.150 Input high voltage (VIH) VI C 0.5 Open(3) V Inhibit control (pin 1) Input low voltage (VIL) -0.2 0.6 Input low current (IIL)