SLVSDD1E December   2017  – January 2019 TPS62800 , TPS62801 , TPS62802 , TPS62806 , TPS62807 , TPS62808

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application
      2.      Efficiency vs. IOUT at 1.2VOUT
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Smart Enable and Shutdown (EN)
      2. 8.3.2 Softstart
      3. 8.3.3 VSEL/MODE Pin
        1. 8.3.3.1 Output Voltage Selection (R2D Converter)
        2. 8.3.3.2 Mode Selection: Power Save Mode / Forced PWM Operation
      4. 8.3.4 Undervoltage Lockout (UVLO)
      5. 8.3.5 Switch Current Limit / Short Circuit Protection
      6. 8.3.6 Thermal Shutdown
      7. 8.3.7 Output Voltage Discharge
    4. 8.4 Device Functional Modes
      1. 8.4.1 Power Save Mode Operation
      2. 8.4.2 Forced PWM Mode Operation
      3. 8.4.3 100% Mode Operation
      4. 8.4.4 Optimized Transient Performance from PWM to PFM Mode Operation
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Custom Design With WEBENCH® Tools
        2. 9.2.2.2 Inductor Selection
        3. 9.2.2.3 Output Capacitor Selection
        4. 9.2.2.4 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Custom Design With WEBENCH® Tools
    3. 12.3 Related Links
    4. 12.4 Community Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Electrical Characteristics

VIN = 3.6 V, TJ = –40°C to 125°C typical values are at TJ = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY
IQ Operating quiescent current
(Power Save Mode)
EN = VIN, IOUT = 0µA, VOUT = 1.2 V
device not switching, TJ = -40°C to +85°C
2.3 4 µA
EN = VIN, IOUT = 0µA, VOUT = 1.2 V, device switching 2.5 µA
Operating quiescent current (PWM Mode) EN = VIN, VSEL/MODE = VIN (after power up)
device switching, IOUT = 0mA, VOUT = 1.2V
8 mA
ISD Shutdown current EN = GND, shutdown current into VIN
VSEL/MODE = GND, TJ = -40°C to +85°C
120 250 nA
VTH_UVLO+ Undervoltage lockout threshold Rising VIN 1.65 1.8 V
VTH_UVLO– Falling VIN 1.56 1.7 V
INPUT EN
VIH TH High level input voltage 0.8 V
VIL TH Low level input voltage 0.4 V
IIN Input bias current TJ = -40°C to +85°C, EN = high 10 25 nA
RPD Internal pulldown resistance EN = low 500
INPUT VSEL/MODE
VIH TH High level input voltage (digital input) 0.8 V
VIL TH Low level input voltage (digital input) 0.4 V
IIN Input bias current EN = high 10 25 nA
POWER SWITCHES
ILKG_SW Leakage current into SW pin VSW = 1.2V, TJ = -40°C to +85°C 10 25 nA
RDS(ON) High side MOSFET
on-resistance
IOUT = 500 mA 120 170
Low side MOSFET
on-resistance
IOUT = 500 mA 80 115
ILIMF High side MOSFET switch current limit TPS62806, TPS62807, TPS62808 0.95 1.1 1.2 A
ILIMF Low side MOSFET switch current limit TPS62806, TPS62807, TPS62808 0.85 1 1.1 A
ILIMF High side MOSFET switch current limit TPS62800, TPS62801 1.3 1.45 1.55 A
TPS62802 1.4 1.55 1.65 A
ILIMF Low side MOSFET switch current limit TPS62800, TPS62801 1.2 1.35 1.45 A
TPS62802 1.3 1.45 1.55 A
OUTPUT VOLTAGE DISCHARGE
RDSCH_VOS MOSFET on-resistance EN = GND, IVOS = –10 mA into VOS pin
TJ = -40°C to +85°C
7 11 Ω
IIN_VOS Bias current into
VOS pin
EN = VIN, VOUT = 1.2 V (internal 12MΩ resistor divider), TJ = -40°C to +85°C 100 400 nA
THERMAL PROTECTION
TSD Thermal shutdown temperature Rising Junction Temperature, PWM mode 160 °C
Thermal shutdown hysteresis 20 °C
OUTPUT
VOUT Output voltage range TPS62800, TPS62806, 25mV steps 0.4 0.775 V
VOUT Output voltage range TPS62801, TPS62807, 50mV steps 0.8 1.55 V
VOUT Output voltage range TPS62802, TPS62808, 100mV steps 1.8 3.3 V
VOUT Output voltage accuracy Power Save Mode 0%
VOUT Output voltage accuracy PWM Mode IOUT = 0 mA, TJ = 25°C to +85°C -1% 0% 1%
VOUT Output voltage accuracy PWM Mode IOUT = 0 mA, TJ = -40°C to +125°C -2% 0% 1.7%
fSW Switching frequency VIN = 3.6V, VOUT =1.2V, PWM operation 4 MHz
fSW Switching frequency TPS62806
VIN = 3.6V, VOUT = 0.7V, PWM operation
1.5 MHz
fSW Switching frequency TPS62807
VIN = 3.6V, VOUT = 1.2V, PWM operation
1.5 MHz
fSW Switching frequency TPS62808
VIN = 3.6V, VOUT = 1.8V, PWM operation
1.5 MHz
tStartup_delay Regulator start up delay time From transition EN = low to high until device starts switching, VSEL = 16 500 1100 µs
tSS Soft start time TPS62801, from VOUT = 0V to 0.95% of VOUT nominal 125 170 µs
tSS Soft start time TPS62800, TPS62806, TPS62807, TPS62808
from VOUT = 0V to 0.95% of VOUT nominal
125 210 µs
tSS Soft start time TPS62802, from VOUT = 0V to 0.95% of VOUT nominal 400 500 µs