TPS562200DDCT

Synchronous Buck Converter

The TPS562200DDCT is a synchronous buck converter from Texas Instruments. View the full TPS562200DDCT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TPS562200DDCT shares its datasheet with TPS562200, whose page lists every part number it covers.

Official TPS562200DDCT datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

TPS562200DDCT Key Specifications

Parameter	Value
Output Current	2A
Switching Frequency	650kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature	-40°C ~ 85°C (TA)
Output Configuration	Positive
Output Type	Adjustable
Package / Case	SOT-23-6 Thin, TSOT-23-6
Packaging	MouseReel
Standard Pack Qty	250
Supplier Device Package	SOT-23-THIN
Synchronous Rectifier	Yes
Topology	Buck
Input Voltage (Max)	17V
Input Voltage (Min)	4.5V
Output Voltage (Max)	7V
Output Voltage	0.765V

TPS562200DDCT 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

TPS562200DDCT 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

TPS562200DDCT Applications

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

Simplified Schematic

TPS562200DDCT Pin Configuration

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

Table 5-1. Pin Functions

PIN - NAME	PIN - NUMBER	DESCRIPTION
GND	1	Ground 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.
SW	2	Switch node connection between high-side NFET and low-side NFET.
VIN	3	Input voltage supply pin. The drain terminal of high-side power NFET.
VFB	4	Converter feedback input. Connect to output voltage with feedback resistor divider.
EN	5	Enable input control. Active high and must be pulled up to enable the device.
VBST	6	Supply input for the high-side NFET gate drive circuit. Connect a 0.1μF capacitor between VBST and SW pins.

Table 5-1. Pin Functions

TPS562200DDCT Electrical Characteristics

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

PARAMETER	PARAMETER	TEST CONDITIONS	TEST CONDITIONS	MIN	TYP	MAX	UNIT
SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT	SUPPLY CURRENT
I (VIN)	Operating - non-switching supply current	V IN current, T A = 25°C, EN = 5V, V FB = 0.8 V	TPS562200		230	330	μA
		V IN current, T A = 25°C, EN = 5V, V FB = 0.8 V	TPS563200		190	290	μA
I (VINSDN)	Shutdown supply current	V IN current, T A = 25°C, EN = 0 V			3	10	μA
LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD
V EN(H)	EN high-level input voltage	EN		1.6			V
V EN(L)	EN low-level input voltage	EN				0.6	V
R EN	EN pin resistance to GND	V EN = 12 V		225	450	900	kΩ
V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE	V FB VOLTAGE AND DISCHARGE RESISTANCE
V FB(TH)	V FB threshold voltage	T A = 25°C, V O = 1.05 V, I O = 10 mA, Eco-mode operation			772		mV
V FB(TH)		T A = 25°C, V O = 1.05 V, continuous mode	operation	758	765	772	mV
I (VFB)	V FB input current	V FB = 0.8V, T A = 25°C			0	±0.1	μA
MOSFET	MOSFET	MOSFET	MOSFET	MOSFET	MOSFET	MOSFET	MOSFET
R DS(on)h	High side switch resistance	T A = 25°C, V BST - SW = 5.5 V	TPS562200		122		mΩ
R DS(on)h		T A = 25°C, V BST - SW = 5.5 V	TPS563200		68		mΩ
R DS(on)l	Low side switch resistance	T A = 25°C	TPS562200		72		mΩ
R DS(on)l		T A = 25°C	TPS563200		39		mΩ
CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT
I ocl	Current limit (1)	DC current, V OUT = 1.05 V, L OUT = 2.2 μF	TPS562200	2.5	3.2	4.3	A
I ocl		DC current, V OUT = 1.05 V, L OUT = 1.5 μF	TPS563200	3.5	4.2	5.3	A
THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN
T SDN	Thermal shutdown (1)	Shutdown temperature			155		°C
T SDN	threshold	Hysteresis			35		°C
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION	OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
V OVP	Output OVP threshold	OVP Detect		x	125% Vfbth
V UVP	Output Hiccup threshold	Hiccup detect			65% x Vfbth
t HiccupOn	Hiccup On Time	Relative to soft-start time			1		ms
t HiccupOff	Hiccup Off Time	Relative to soft-start time			7		ms
UVLO	UVLO	UVLO	UVLO	UVLO	UVLO	UVLO	UVLO
UVLO	UVLO threshold	Wake up VIN voltage		3.45	3.75	4.05	V
UVLO		Hysteresis VIN voltage		0.13	0.32	0.55	V

TPS562200DDCT Absolute Maximum Ratings

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

		MIN	MAX	UNIT
Input	VIN, EN	-0.3	19	V
Input	VBST	-0.3	25	V
Input	VBST (10-ns transient)	-0.3	27.5	V
Input	VBST (vs SW)	-0.3	6.5	V
Input	VFB	-0.3	6.5	V
Input	SW	-2	19	V
Input	SW (10-ns transient)	-3.5	21	V
Operating junction temperature, T J	Operating junction temperature, T J	-40	150	°C
Storage temperature range, T stg	Storage temperature range, T stg	-55	150	°C

TPS562200DDCT Recommended Operating Conditions

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

		MIN	MAX	UNIT
V IN	Supply input voltage range	4.5	17	V
V I	VBST	-0.1	23	V
V I	VBST (10-ns transient)	-0.1	26	V
V I	VBST(vs SW)	-0.1	6	V
V I	Input voltage range EN	-0.1	17	V
V I	VFB	-0.1	5.5	V
V I	SW	-1.8	17	V
V I	SW (10-ns transient)	-3.5	20	V
T A	Operating free-air temperature	Operating free-air temperature	-40 85	°C

TPS562200DDCT Thermal Information

	THERMAL METRIC (1)	TPS562200 DDC (SOT) (6 PINS)	TPS563200 DDC (SOT) - (6 PINS)	UNITS
R θJA	Junction-to-ambient thermal resistance	89.0	87.9
R θJCtop	Junction-to-case (top) thermal resistance	44.5	42.2
R θJB	Junction-to-board thermal resistance	13.4	13.6	°C/W
ψ JT	Junction-to-top characterization parameter	2.2	1.9
ψ JB	Junction-to-board characterization parameter	13.2	13.3

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TPS562200DDCT 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

Other Switching Regulators (Buck)

TPS54302 – Texas Instruments, Synchronous Step-Down Converter
MAX20730 – Analog Devices, Synchronous Switching Regulator
TLV62568 – Texas Instruments, Synchronous Buck Converter
LM2596 – Texas Instruments, Step-Down Voltage Regulator
TPS562200 – Texas Instruments, Synchronous Buck Converter
AP63203WU – Diodes Incorporated, Synchronous Buck Converter
TPS54202 – Texas Instruments, Synchronous Buck Converter
AP63357DV-7 – Diodes Incorporated, Synchronous Buck Converter

All Switching Regulators (Buck) datasheets All Texas Instruments datasheets (2,418)

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