TPS563201DDCR

Synchronous Buck Converter

The TPS563201DDCR is a synchronous buck converter from Texas Instruments. View the full TPS563201DDCR datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

TPS563201DDCR shares its datasheet with TPS563201, whose page lists every part number it covers.

Official TPS563201DDCR datasheet (PDF) — the source this page was extracted from.

Manufacturer

Texas Instruments

TPS563201DDCR Key Specifications

Parameter	Value
Case/Package	SOT-23-6
Output Current	3A
Switching Frequency	580kHz
Function	Step-Down
Height	1.1 mm
Lead Free	Lead Free
Length	2.9 mm
Lifecycle Status	Production (Last Updated: 1 day ago)
Manufacturer Lifecycle Status	ACTIVE (Last Updated: 1 day ago)
Max Input Voltage	17 V
Max Operating Temperature	125 °C
Max Output Voltage	7 V
Min Input Voltage	4.5 V
Min Operating Temperature	-40 °C
Min Output Voltage	768 mV
Mount	Surface Mount
Mounting Type	Surface Mount
Number of Channels	1
Number of Outputs	1
Number of Outputs	1
Number of Pins	6
Operating Temperature	-40°C ~ 125°C (TJ)
Output Configuration	Positive
Output Configuration	Positive
Output Current	3 A
Output Type	Adjustable
Output Type	Adjustable
Package / Case	SOT-23-6 Thin, TSOT-23-6
Packaging	MouseReel
Quiescent Current	400 µA
RoHS	Compliant
Schedule B	8542390000, 8542390000\|8542390000\|8542390000\|8542390000\|8542390000
Standard Pack Qty	3000
Supplier Device Package	SOT-23-THIN
Switching Frequency	580 kHz
Synchronous Rectifier	Yes
Synchronous Rectifier	Yes
Thickness	870 µm
Topology	Buck
Topology	Buck
Input Voltage (Max)	17V
Input Voltage (Min)	4.5V
Output Voltage (Max)	7V
Output Voltage	0.768V
Width	1.6 mm

TPS563201DDCR Overview

Part: TPS563201 / TPS563208 — Texas Instruments

Type: Synchronous Step-Down (Buck) Converter

Description: 4.5–17 V input, 3 A synchronous step-down converter with integrated 95 mΩ / 57 mΩ FETs, D-CAP2 control and 580 kHz switching frequency in a 6-pin SOT (DDC) package.

Operating Conditions:

Supply voltage (VIN): 4.5–17 V
Operating junction temperature: -40 to 125 °C
Output voltage range: 0.76–7 V

Absolute Maximum Ratings:

Max input voltage (VIN, EN): 19 V
Max junction temperature: 150 °C
Storage temperature: -55 to 150 °C

Key Specs:

Feedback threshold voltage: 768 mV typ (749–787 mV), continuous mode, VO = 1.05 V
High-side / low-side RDS(on): 95 mΩ / 57 mΩ typ (TA = 25 °C)
Current limit: 3.3 / 4.2 / 5.1 A (min/typ/max), DC current, VOUT = 1.05 V, L1 = 1.5 μH
Switching frequency: 580 kHz typ (VIN = 12 V, VO = 3.3 V, IO = 1 A)
Non-switching supply current: 120 μA typ (TPS563201), 350 μA typ (TPS563208), EN = 5 V, VFB = 0.9 V
Shutdown supply current: 8 μA typ, 20 μA max (EN = 0 V)
UVLO: wake-up 3.8 V typ, shutdown 3.4 V typ
Soft-start: 1.0 ms typ; minimum off time 220 ns typ
Thermal shutdown: 172 °C typ, 37 °C hysteresis
Thermal resistance RθJA: 92.6 °C/W

Features:

D-CAP2 control scheme with fast transient response, no external compensation
Pulse-skip (Eco-mode) operation on TPS563201; forced continuous conduction on TPS563208
2% feedback voltage accuracy (25 °C)
Startup from prebiased output voltage
Cycle-by-cycle overcurrent limit with hiccup-mode protection
Non-latching UVP and thermal shutdown protections
Fixed 1.0 ms soft start

Applications:

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

Package:

DDC (SOT, 6-pin), 1.6 mm × 2.9 mm

TPS563201DDCR Features

TPS563201 and TPS563208 3A converter integrated 95mΩ and 57mΩ FETs
D-CAP2 ™ control scheme with fast transient response
Input voltage range: 4.5V to 17V
Output voltage range: 0.76V to 7V
Pulse-skip mode (TPS563201) or continuous current mode (TPS563208)
580kHz switching frequency
Low shutdown current less than 20μA
2% feedback voltage accuracy (25°C)
Startup from prebiased output voltage
Cycle-by-cycle overcurrent limit
Hiccup-mode overcurrent protection
Non-latch UVP and TSD protections
Fixed soft start: 1.0ms
Create a custom design using the TPS56320x with the WEBENCH ® Power Designer

TPS563201DDCR Applications

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

TPS563201DDCR Pin Configuration

Figure 4-1. DDC Package 6-Pin SOT Top View

Table 4-1. Pin Functions

PIN	PIN	TYPE (1)
NAME	NO.	TYPE (1)	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	O	Switch node connection between high-side NFET and low-side NFET.
VIN	3	I	Input voltage supply pin. The drain terminal of high-side power NFET.
VFB	4	I	Converter feedback input. Connect to output voltage with feedback resistor divider.
EN	5	I	Enable input control. Active high and must be pulled up to enable the device.
VBST	6	O	Supply input for the high-side NFET gate drive circuit. Connect 0.1 μF capacitor between VBST and SW pins.

(1) I = input, O = output

TPS563201DDCR Electrical Characteristics

TJ = -40°C to 125°C, VIN = 12 V (unless otherwise noted)

	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, EN = 5 V, V FB = 0.9 V	TPS563201		120	200	μA
I VIN		V IN current, EN = 5 V, V FB = 0.9 V	TPS563208		350	500	μA
I VINSDN	Shutdown supply current	V IN current, EN = 0 V			8	20	μA
LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD	LOGIC THRESHOLD
V ENH	EN high-level input voltage			1.6			V
V ENL	EN low-level input voltage					0.8	V
R EN	EN pin resistance to GND	V EN = 1.5 V		600	1500	2400	kΩ
I EN	EN pulldown current	V EN = 1.5 V			1		μA
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 FBTH	V FB threshold voltage (1)	V O = 1.05 V, I O = 10 mA, Eco-mode operation			774		mV
	V FB threshold voltage	V O = 1.05 V, continuous mode operation		749	768	787	mV
I VFB	V FB input current	V FB = 0.8 V			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 V			95		mΩ
R DS(on)l	Low-side switch resistance	T A = 25°C			57		mΩ
CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT	CURRENT LIMIT
I ocl	Current limit	DC current, V OUT = 1.05 V, L 1 = 1.5 μH		3.3	4.2	5.1	A
THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN	THERMAL SHUTDOWN
T SDN	Thermal shutdown threshold (1)	Shutdown temperature Hysteresis			172 37		°C
ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL	ON-TIME TIMER CONTROL
t OFF(MIN)	Minimum off time	V FB = 0.5 V			220	310	ns
SOFT START	SOFT START	SOFT START	SOFT START	SOFT START	SOFT START	SOFT START	SOFT START
Tss	Soft-start time	Internal soft-start time			1.0		ms
FREQUENCY	FREQUENCY	FREQUENCY	FREQUENCY	FREQUENCY	FREQUENCY	FREQUENCY	FREQUENCY
F sw	Switching frequency	V IN = 12 V, V O = 3.3 V, I O = 1 A			580		kHz
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 UVP	Output UVP threshold	Hiccup detect (H > L)			65%
T HICCUP_WAIT	Hiccup on time				1.2		ms
T HICCUP_RE	Hiccup time before restart				10		ms
UVLO	UVLO	UVLO Wake up VIN voltage	UVLO	UVLO	UVLO 3.8	UVLO 4.3	UVLO
UVLO	UVLO threshold	Shutdown VIN voltage Hysteresis VIN voltage		3.3	3.4 0.4		V

TPS563201DDCR Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)

		MIN	MAX	UNIT
Input voltage	VIN, EN	-0.3	19	V
Input voltage	VBST	-0.3	25	V
Input voltage	VBST (10 ns transient)	-0.3	27	V
Input voltage	VBST (vs SW)	-0.3	6	V
Input voltage	VFB	-0.3	6	V
Input voltage	SW	-2	19	V
Input voltage	SW (10 ns transient)	-3.5	21	V
Operating junction temperature, T J	Operating junction temperature, T J	-40	150	°C
Storage temperature, T stg	Storage temperature, T stg	-55	150	°C

TPS563201DDCR Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)

			MIN	MAX	UNIT
V IN	Supply input voltage range	Supply input voltage range	4.5	17	V
		VBST	-0.1	23	V
		VBST (10 ns transient)	-0.1	26	V
		VBST (vs SW)	-0.1	5.5	V
V I	Input voltage range	EN	-0.1	17
V I		VFB	-0.1	5.5
V I		SW	-1.8	17
V I		SW (10 ns transient)	-3.5	20
T J	Operating junction temperature	Operating junction temperature	-40	125	°C

TPS563201DDCR Thermal Information

THERMAL METRIC (1)	THERMAL METRIC (1)	TPS56320x DDC (SOT) 6 PINS	UNIT
R θJA	Junction-to-ambient thermal resistance	92.6	°C/W
R θJC(top)	Junction-to-case (top) thermal resistance	48.5	°C/W
R θJB	Junction-to-board thermal resistance	15.5	°C/W
ψ JT	Junction-to-top characterization parameter	2.5	°C/W
ψ JB	Junction-to-board characterization parameter	15.5	°C/W

TPS563201DDCR Typical Application

The devices are typical step-down DC-DC converters. The devices are typically used to convert a higher dc voltage to a lower dc voltage with a maximum available output current of 3 A. The following design procedure can be used to select component values for the TPS563201 and TPS563208. Alternately, the WEBENCH software can be used to generate a complete design. The WEBENCH software uses an iterative design procedure and accesses a comprehensive database of components when generating a design. This section presents a simplified discussion of the design process.

TPS563201DDCR Package Information

SOT-23 - 1.1 max height

SMALL OUTLINE TRANSISTOR

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
TPS563201	Texas Instruments	SOT-23-THIN-6
TPS563201DDCT	Texas Instruments	SOT-23-6 Thin, TSOT-23-6
TPS563208	Texas Instruments	SOT-23-THIN-6

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