SBVS083E January   2007  – January 2015 TPS780

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Internal Current Limit
      2. 7.3.2 Shutdown
      3. 7.3.3 Active VOUT Pulldown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Dropout Operation
      3. 7.4.3 Disabled
    5. 7.5 Programming
      1. 7.5.1 Programming the TPS78001 Adjustable LDO Regulator
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input and Output Capacitor Requirements
        2. 8.2.2.2 Dropout Voltage
        3. 8.2.2.3 Transient Response
        4. 8.2.2.4 Minimum Load
      3. 8.2.3 Application Curves
    3. 8.3 Do's and Don'ts
  9. 9 Power Supply Recommendations
    1. 9.1 Powering the MSP430 Microcontroller
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Board Layout Recommendations to Improve PSRR and Noise Performance
      2. 10.1.2 Package Mounting
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
    4. 10.4 Power Dissipation
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Evaluation Modules
        2. 11.1.1.2 Spice Models
      2. 11.1.2 Device Nomenclature
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)
MIN MAX UNIT
Voltage VIN –0.3 +6.0 V
VEN and VVSET –0.3 VIN + 0.3(2)
VOUT –0.3 VIN + 0.3
Current IOUT Internally limited
Output short-circuit duration Indefinite
Total continuous power dissipation, PDISS See Thermal Information
Temperature Operating junction, TJ –40 125 °C
Storage, Tstg –55 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) VEN and VVSET absolute maximum rating are VIN + 0.3V or +6.0V, whichever is less.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all pins(1) ±2000 V
Charged device model (CDM), per JEDEC specification JESD22-C101, all pins(2) ±500
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

over operating junction temperature range (unless otherwise noted)
MIN NOM MAX UNIT
VIN Input voltage 2.2 5.5 V
VOUT Output voltage 1.8 4.2 V
VEN Enable voltage 0 VIN V
IOUT Output current 0 150 mA
TJ Junction temperature –40 125 °C

6.4 Thermal Information

THERMAL METRIC(1) TPS780xx UNIT
DDC DRV
5 PINS 6 PINS
RθJA Junction-to-ambient thermal resistance 193.0 65.9 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 40.1 87.3
RθJB Junction-to-board thermal resistance 34.3 35.4
ψJT Junction-to-top characterization parameter 0.9 1.7
ψJB Junction-to-board characterization parameter 34.1 35.8
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A 6.1
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

6.5 Electrical Characteristics

Over operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 0.5 V or 2.2 V, whichever is greater; IOUT = 100 μA, VVSET = VEN = VIN, COUT = 1.0 μF, fixed or adjustable, unless otherwise noted. Typical values at TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN Input voltage range 2.2 5.5 V
VOUT(1) DC output accuracy Nominal TJ = 25°C, VSET = high/low –2% ±1% +2%
Over VIN, IOUT, temperature VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V,
0 mA ≤ IOUT ≤ 150 mA, VSET = high/low		 –3.0% ±2.0% +3.0%
VFB Internal reference(9)
(adjustable version only)		 TJ = 25°C, VIN = 4.0 V, IOUT = 75 mA 1.216 V
VOUT_RANGE Output voltage range(2)(3)
(adjustable version only)		 VIN = 5.5 V, IOUT = 100 μA(9) VFB 5.25 V
ΔVOUT(ΔVIN) Line regulation VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V,
IOUT = 5 mA		 –1% +1%
ΔVOUT(ΔIOUT) Load regulation 0 mA ≤ IOUT ≤ 150 mA –2% +2%
VDO Dropout voltage(4) VIN = 95% VOUT(nom), IOUT = 150 mA 250 mV
Vn Output noise voltage BW = 100 Hz to 100 kHz, VIN = 2.2 V,
VOUT = 1.2 V, IOUT = 1 mA		 86 μVRMS
VHI VSET high (output VOUT(LO) selected), or EN high (enabled) 1.2 VIN V
VLO VSET low (output VOUT(HI) selected), or EN low (disabled) 0 0.4 V
ICL Output current limit VOUT = 0.90 × VOUT(nom) 150 230 400 mA
IGND Ground pin current IOUT = 0 mA(5) 420 800 nA
IOUT = 150 mA 5 μA
ISHDN Shutdown current (IGND) VEN ≤ 0.4 V, 2.2 V ≤ VIN < 5.5 V,
TJ = –40°C to 100°C		 18 130 nA
IVSET VSET pin current VEN = VVSET = 5.5 V 70 nA
IEN EN pin current VEN = VVSET = 5.5 V 40 nA
IFB FB pin current(10)
(Adjustable version only)		 VIN = 5.5 V, VOUT = 1.2 V, IOUT = 100 μA 10 nA
PSRR Power-supply rejection ratio VIN = 4.3 V,
VOUT = 3.3 V,
IOUT = 150 mA		 f = 10 Hz 40 dB
f = 100 Hz 20
f = 1kHz 15
tTR(H→L) VOUT transition time (high-to-low)
VOUT = 97% × VOUT(HI)		 VOUT_LOW = 2.2 V, VOUT(HI) = 3.3 V,
IOUT = 10 mA		 800 μs
tTR(L→H) VOUT transition time (low-to-high)
VOUT = 97% × VOUT(LO)		 VOUT_HIGH = 3.3 V, VOUT(LO) = 2.2 V,
IOUT = 10 mA		 800 μs
tSTR Start-up time(6) COUT = 1.0 μF, VOUT = 10% VOUT(nom) to VOUT = 90% VOUT(nom) 500 μs
tSHDN Shutdown time(7) IOUT = 150 mA, COUT = 1.0 μF,
VOUT = 2.8 V,
VOUT = 90% VOUT(nom) to
VOUT = 10% VOUT(nom)		 500(8) μs
TSD Thermal shutdown temperature Shutdown, temperature increasing 160 °C
Reset, temperature decreasing 140 °C
TJ Operating junction temperature –40 125 °C
(1) The output voltage for VSET = low/high is programmed at the factory.
(2) No VSET pin on the adjustable version.
(3) No dynamic voltage scaling on the adjustable version.
(4) VDO is not measured for devices with VOUT(nom) < 2.3 V because minimum VIN = 2.2 V.
(5) IGND = 800 nA (max) up to 100°C.
(6) Time from VEN = 1.2 V to VOUT = 90% (VOUT(nom)).
(7) Time from VEN = 0.4 V to VOUT = 10% (VOUT(nom)).
(8) See Shutdown for more details.
(9) Adjustable version only.
(10) The TPS78001 FB pin is tied to VOUT. Adjustable version only.

6.6 Typical Characteristics

Over the operating temperature range of TJ = –40°C to 125°C, VIN = VOUT(nom) + 0.5 V or 2.2 V, whichever is greater; IOUT = 100 μA, VEN = VVSET = VIN, COUT = 1 μF, and CIN = 1 μF, unless otherwise noted.
tc_line_reg_122v_1ma_bvs083.gif
IOUT = 5 mA VOUT(nom) = 1.22 V
Figure 1. TPS78001 Line Regulation
tc_line_reg_22v_150ma_bvs083.gif
IOUT = 150 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 3. TPS780330220 Line Regulation
tc_line_reg_33v_150ma_bvs083.gif
IOUT = 150 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 5. TPS780330220 Line Regulation
tc_load_reg_22v_bvs083.gif
VVSET = 1.2 V VIN = 2.7 V VOUT(nom) = 2.2 V
Figure 7. TPS780330220 Load Regulation
tc_vdo-iout_001_bvs083.gif
VOUT(nom) = 3.3 V VIN = 0.95 × VOUT(nom)
Figure 9. TPS78001 Dropout Voltage vs Output Current
tc_vdo-tmp_001_bvs083.gif
VOUT(nom) = 3.3 VIN = 0.95 × VOUT(nom)
Figure 11. TPS78001 Dropout Voltage vs Temperature
tc_gnd-vin_122v_50ma_bvs083.gif
IOUT = 50 mA VOUT(nom) = 1.22 V
Figure 13. TPS78001 Ground Pin Current vs Input Voltage
tc_gnd-vin_22v_0ma_bvs083.gif
IOUT = 0 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 15. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_22v_50ma_bvs083.gif
IOUT = 50 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 17. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_33v_0ma_bvs083.gif
IOUT = 0 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 19. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_33v_50ma_bvs083.gif
IOUT = 50 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 21. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-iout_22v_bvs083.gif
VVSET = 1.2 V VIN = 5.5 V VOUT(nom) = 2.2 V
Figure 23. TPS780330220 Ground Pin Current vs Output Current
tc_shutdown-vin_bvs083.gif
IOUT = 0 mA VVSET = 0.4 V
Figure 25. TPS78001 Shutdown Current vs Input Voltage
tc_cur_lim-vin_22v_bvs083.gif
VVSET = 1.2 V VOUT = 95% VOUT(nom) VOUT(nom) = 2.2 V
Figure 27. TPS780330220 Current Limit vs Input Voltage
tc_fb_pin-tmp_bvs083.gif
IOUT = 0 mA VOUT(nom) = 1.22 V
Figure 29. TPS78001 Feedback Pin Current vs Temperature
tc_ivset-vin_33v_bvs083.gif
IOUT = 100 μA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 31. TPS780330220 VSET Pin Current vs Input Voltage
tc_en-vin_220_22v_bvs083.gif
IOUT = 100 μA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 33. TPS780330220 Enable Pin Current vs Input Voltage
tc_en_hyst-tmp_001_bvs083.gif
IOUT = 1 mA
Figure 35. TPS78001 Enable Pin Hysteresis vs Temperature
tc_vout-tmp_33v_001_bvs083.gif
IOUT = 1 mA VIN = 3.8 V VOUT(nom) = 3.3 V
Figure 37. TPS78001 %ΔVOUT vs Temperature
tc_vout-tmp_33v_bvs083.gif
VVSET = 0.4 V VIN = 3.8 V VOUT(nom) = 3.3 V
Figure 39. TPS780330220 %ΔVOUT vs Temperature
tc_psrr-frq_001_bvs083.gif
VIN = 2.7 V VOUT = 1.2 V COUT = 2.2 μF
Figure 41. TPS78001 Ripple Rejection vs Frequency
tc_vout-enable_slow_bvs083.gif
Figure 43. TPS780330220 Output Voltage vs Enable (Slow Ramp)
tc_line_resp_22v_bvs083.gif
Figure 45. TPS780330220 Line Transient Response
tc_load_res_10ma_bvs083.gif
Figure 47. TPS780330220 Load Transient Response
tc_enable-vout_bvs083.gif
Figure 49. TPS780330220 Enable Pin vs Output Voltage Response and Output Current
tc_vset_toggle_22v_bvs083.gif
Figure 51. TPS780330220 VSET Pin Toggle
tc_vset_toggle_slow_bvs083.gif
Figure 53. TPS780330220 VSET Pin Toggle (Slow Ramp)
tc_line_reg_22v_5ma_bvs083.gif
IOUT = 5 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 2. TPS780330220 Line Regulation
tc_line_reg_33v_5ma_bvs083.gif
IOUT = 5 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 4. TPS780330220 Line Regulation
tc_load_reg_33v_001_bvs083.gif
VOUT(nom) = 3.3 V
Figure 6. TPS78001 Load Regulation
tc_load_reg_33v_bvs083.gif
VVSET = 0.4 V VIN = 3.8 V VOUT(nom) = 3.3 V
Figure 8. TPS780330220 Load Regulation
tc_vdo-iout_220_bvs083.gif
VVSET = 0.4 V VOUT(nom) = 3.3 V VIN = 0.95 × VOUT(nom)
Figure 10. TPS780330220 Dropout Voltage vs Output Current
tc_vdo-tmp_220_bvs083.gif
VVSET = 0.4 V VOUT(nom) = 3.3 V VIN = 0.95 × VOUT(nom)
Figure 12. TPS780330220 Dropout Voltage vs Temperature
tc_gnd-vin_122v_150ma_bvs083.gif
IOUT = 150 mA VOUT(nom) = 1.22 V
Figure 14. TPS78001 Ground Pin Current vs Input Voltage
tc_gnd-vin_22v_1ma_bvs083.gif
IOUT = 1 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 16. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_22v_150ma_bvs083.gif
IOUT = 150 mA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 18. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_33v_1ma_bvs083.gif
IOUT = 1 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 20. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-vin_33v_150ma_bvs083.gif
IOUT = 150 mA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 22. TPS780330220 Ground Pin Current vs Input Voltage
tc_gnd-iout_33v_bvs083.gif
VVSET = 0.4 V VIN = 5.5 V VOUT(nom) = 3.3 V
Figure 24. TPS780330220 Ground Pin Current vs Output Current
tc_cur_lim-vin_122v_bvs083.gif
VOUT = 90% VOUT(nom) VOUT(nom) = 1.22 V
Figure 26. TPS78001 Current Limit vs Input Voltage
tc_cur_lim-vin_33v_bvs083.gif
VVSET = 0.4 V VOUT = 95% VOUT(nom) VOUT(nom) = 3.3 V
Figure 28. TPS780330220 Current Limit vs Input Voltage
tc_ivset-vin_22v_bvs083.gif
IOUT = 100 μA VVSET = 1.2 V VOUT(nom) = 2.2 V
Figure 30. TPS780330220 VSET Pin Current vs Input Voltage
tc_en_pin-vin_001_bvs083.gif
IOUT = 1 mA VOUT(nom) = 1.22 V
Figure 32. TPS78001 Enable Pin Current vs Input Voltage
tc_en-vin_220_33v_bvs083.gif
IOUT = 100 μA VVSET = 0.4 V VOUT(nom) = 3.3 V
Figure 34. TPS780330220 Enable Pin Current vs Input Voltage
tc_en_hyst-tmp_220_bvs083.gif
IOUT = 1 mA
Figure 36. TPS780330220 Enable Pin Hysteresis vs Temperature
tc_vout-tmp_22v_bvs083.gif
VVSET = 1.2 V VIN = 2.7 V VOUT(nom) = 2.2 V
Figure 38. TPS780330220 %ΔVOUT vs Temperature
tc_noise-freq_bvs083.gif
CIN = 1 μF COUT = 2.2 μF VVSET = 1.2 V
VIN = 2.7 V
Figure 40. TPS780330220 Output Spectral Noise Density vs Frequency
tc_vin_ramp-vout_bvs083.gif
Figure 42. TPS780330220 Input Voltage Ramp vs Output Voltage
tc_vin-vout_delay_bvs083.gif
Figure 44. TPS780330220 Input Voltage vs Delay to Output
tc_line_resp_33v_bvs083.gif
Figure 46. TPS780330220 Line Transient Response
tc_load_resp_50ma2_bvs083.gif
Figure 48. TPS780330220 Load Transient Response
tc_enable-vout_delay_bvs083.gif
Figure 50. TPS780330220 Enable Pin vs Output Voltage Delay
tc_vset_toggle_33v_bvs083.gif
Figure 52. TPS780330220 VSET Pin Toggle