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TPS562200

Synchronous Buck Converter

The TPS562200 is a synchronous buck converter from Texas Instruments. View the full TPS562200 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official TPS562200 datasheet (PDF) — the source this page was extracted from.

TPS562200 Key Specifications

ParameterValue
Soft Start1 ms (fixed)
Control TopologyD-CAP2 with Advanced Eco-mode
Shutdown Current<10 μA
Input Voltage Range4.5V to 17V
Switching Frequency650 kHz
Output Current (Max)2A
Output Voltage Range0.76V to 7V
Feedback Voltage Accuracy1% (25°C)
Thermal Shutdown Threshold155°C (typical)
Operating Temperature Range-40°C to 85°C (ambient)
High-Side/Low-Side FET Rds(On)122 mΩ / 72 mΩ

TPS562200 Overview

Part: TPS562200 / TPS563200 — Texas Instruments

Type: Synchronous Step-Down (Buck) Converter

Description: 4.5–17 V input, 2 A (TPS562200) / 3 A (TPS563200) synchronous step-down converter with integrated FETs, D-CAP2 control and 650 kHz switching frequency in a 6-pin SOT-23 package.

Operating Conditions:

  • Supply voltage: 4.5–17 V
  • Operating temperature: -40 to 85 °C (free-air)
  • Output voltage range: 0.76–7 V
  • Switching frequency: 650 kHz

Absolute Maximum Ratings:

  • Max input voltage (VIN, EN): 19 V
  • Max VBST voltage: 25 V (27.5 V for 10-ns transient)
  • Max junction temperature: 150 °C
  • Storage temperature: -55 to 150 °C

Key Specs:

  • Output current: 2 A (TPS562200), 3 A (TPS563200)
  • TPS562200 integrated FETs: 122 mΩ high-side / 72 mΩ low-side
  • TPS563200 integrated FETs: 68 mΩ high-side / 39 mΩ low-side
  • Switching frequency: 650 kHz
  • Feedback voltage accuracy: 1% at 25 °C
  • Shutdown current: less than 10 μA
  • Fixed soft start: 1 ms

Features:

  • D-CAP2 control topology for fast transient response, no external compensation
  • Supports low-ESR polymer and ultra-low-ESR ceramic output capacitors
  • Advanced Eco-mode pulse-skip for light-load efficiency
  • Start-up from pre-biased output voltage
  • Cycle-by-cycle overcurrent limit
  • Hiccup-mode undervoltage protection
  • Non-latch OVP, UVLO and TSD protections
  • WEBENCH design tools support

Applications:

  • Digital TV power supply
  • High definition Blu-ray Disc players
  • Networking home terminal
  • Digital set-top box (STB)

Package:

  • DRL (SOT-236, 6-pin), 1.6 mm × 2.9 mm

TPS562200 Features

  • TPS562200 - 2-A converter with integrated 122-mΩ and 72-mΩ FETs
  • TPS563200 - 3-A converter with integrated 68-mΩ and 39-mΩ FETs
  • D-CAP2 ™ control topology for fast transient response
  • Input voltage range: 4.5 V to 17 V
  • Output voltage range: 0.76 V to 7 V
  • Switching frequency: 650 kHz
  • Advanced Eco-mode pulse-skip
  • Low shutdown current less than 10 μA
  • 1% feedback voltage accuracy (25°C)
  • Start-up from pre-biased output voltage
  • Cycle-by-cycle overcurrent limit
  • Hiccup-mode undervoltage protection
  • Non-latch OVP, UVLO and TSD protections
  • Fixed soft start: 1 ms
  • Use TPS563252 for improved efficiency and higher frequency in a smaller package
  • Create a Custom Design with WEBENCH ® Tools

TPS562200 Applications

  • Digital TV power supply
  • High definition Blu-ray Disc ™ players
  • Networking home terminal
  • Digital Set Top Box (STB)

Simplified Schematic

TPS562200 Pin Configuration

Figure 5-1. DDC Package 6 Pin (SOT) Top View

Table 5-1. Pin Functions

PIN - NAMEPIN - NUMBERDESCRIPTION
GND1Ground pin Source terminal of low-side power NFET as well as the ground terminal for controller circuit. Connect sensitive VFB to this GND at a single point.
SW2Switch node connection between high-side NFET and low-side NFET.
VIN3Input voltage supply pin. The drain terminal of high-side power NFET.
VFB4Converter feedback input. Connect to output voltage with feedback resistor divider.
EN5Enable input control. Active high and must be pulled up to enable the device.
VBST6Supply input for the high-side NFET gate drive circuit. Connect a 0.1μF capacitor between VBST and SW pins.

Table 5-1. Pin Functions

TPS562200 Electrical Characteristics

TJ = -40°C to 150°C, VIN = 12V (unless otherwise noted)

PARAMETERPARAMETERTEST CONDITIONSTEST CONDITIONSMINTYPMAXUNIT
SUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENTSUPPLY CURRENT
I (VIN)Operating - non-switching supply currentV IN current, T A = 25°C, EN = 5V, V FB = 0.8 VTPS562200230330μA
V IN current, T A = 25°C, EN = 5V, V FB = 0.8 VTPS563200190290μA
I (VINSDN)Shutdown supply currentV IN current, T A = 25°C, EN = 0 V310μA
LOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLDLOGIC THRESHOLD
V EN(H)EN high-level input voltageEN1.6V
V EN(L)EN low-level input voltageEN0.6V
R ENEN pin resistance to GNDV EN = 12 V225450900kΩ
V FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCEV FB VOLTAGE AND DISCHARGE RESISTANCE
V FB(TH)V FB threshold voltageT A = 25°C, V O = 1.05 V, I O = 10 mA, Eco-mode operation772mV
V FB(TH)T A = 25°C, V O = 1.05 V, continuous modeoperation758765772mV
I (VFB)V FB input currentV FB = 0.8V, T A = 25°C0±0.1μA
MOSFETMOSFETMOSFETMOSFETMOSFETMOSFETMOSFETMOSFET
R DS(on)hHigh side switch resistanceT A = 25°C, V BST - SW = 5.5 VTPS562200122mΩ
R DS(on)hT A = 25°C, V BST - SW = 5.5 VTPS56320068mΩ
R DS(on)lLow side switch resistanceT A = 25°CTPS56220072mΩ
R DS(on)lT A = 25°CTPS56320039mΩ
CURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMITCURRENT LIMIT
I oclCurrent limit (1)DC current, V OUT = 1.05 V, L OUT = 2.2 μFTPS5622002.53.24.3A
I oclDC current, V OUT = 1.05 V, L OUT = 1.5 μFTPS5632003.54.25.3A
THERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWNTHERMAL SHUTDOWN
T SDNThermal shutdown (1)Shutdown temperature155°C
T SDNthresholdHysteresis35°C
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTIONOUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
V OVPOutput OVP thresholdOVP Detectx125% Vfbth
V UVPOutput Hiccup thresholdHiccup detect65% x Vfbth
t HiccupOnHiccup On TimeRelative to soft-start time1ms
t HiccupOffHiccup Off TimeRelative to soft-start time7ms
UVLOUVLOUVLOUVLOUVLOUVLOUVLOUVLO
UVLOUVLO thresholdWake up VIN voltage3.453.754.05V
UVLOHysteresis VIN voltage0.130.320.55V

TPS562200 Absolute Maximum Ratings

TJ = -40°C to 150°C(unless otherwise noted)

MINMAXUNIT
InputVIN, EN-0.319V
InputVBST-0.325V
InputVBST (10-ns transient)-0.327.5V
InputVBST (vs SW)-0.36.5V
InputVFB-0.36.5V
InputSW-219V
InputSW (10-ns transient)-3.521V
Operating junction temperature, T JOperating junction temperature, T J-40150°C
Storage temperature range, T stgStorage temperature range, T stg-55150°C

TJ = -40°C to 150°C(unless otherwise noted)

MINMAXUNIT
V INSupply input voltage range4.517V
V IVBST-0.123V
V IVBST (10-ns transient)-0.126V
V IVBST(vs SW)-0.16V
V IInput voltage range EN-0.117V
V IVFB-0.15.5V
V ISW-1.817V
V ISW (10-ns transient)-3.520V
T AOperating free-air temperatureOperating free-air temperature-40 85°C

TPS562200 Thermal Information

THERMAL METRIC (1)TPS562200 DDC (SOT) (6 PINS)TPS563200 DDC (SOT) - (6 PINS)UNITS
R θJAJunction-to-ambient thermal resistance89.087.9
R θJCtopJunction-to-case (top) thermal resistance44.542.2
R θJBJunction-to-board thermal resistance13.413.6°C/W
ψ JTJunction-to-top characterization parameter2.21.9
ψ JBJunction-to-board characterization parameter13.213.3

www.ti.com

TPS562200 Typical Application

The TPS562200 and TPS563200 are typically used as step down converters, which convert a voltage from 4.5 V - 17 V to a lower voltage. WEBENCH software is available to aid in the design and analysis of circuits

More part numbers on this datasheet

Their pages show this same datasheet. Some are linked through their part family rather than checked part by part, so confirm the exact part in the ordering information.

Other Switching Regulators (Buck)

  • TPS54302 – Texas Instruments, Synchronous Step-Down Converter
  • MAX20730 – Analog Devices, Synchronous Switching Regulator
  • TLV62568 – Texas Instruments, Synchronous Buck Converter
  • LM2596 – onsemi, Step-Down Voltage Regulator
  • AP63203WU – Diodes Incorporated, Synchronous Buck Converter
  • MP2344GJ-Z – Monolithic Power Systems, Synchronous Step-Down Converter
  • MP1584EN – Monolithic Power Systems, Buck Converter
  • ME6211C33M5G – Nanjing Micro One, CMOS LDO Voltage Regulator

All Switching Regulators (Buck) datasheetsAll Texas Instruments datasheets (2,442)

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