RT8009 datasheet(6/13 Pages) RICHTEK | 1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter

6 page

RT8009

DS8009-03 March 2007

www.richtek.com

Typical Operating Characteristics

Frequency vs. Temperature

1.10

1.12

1.14

1.16

1.18

1.20

1.22

1.24

1.26

-50

-25

100

125

Temperature

VIN = 3.3V, VOUT = 1.8V

(

°C)

Load Regulation

1.770

1.775

1.780

1.785

1.790

1.795

1.800

1.805

1.810

0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6

Load Current (A)

VIN = 3.3V

VIN = 5.5V

VIN = 2.5V

VOUT = 1.8V

Frequency vs. Input Voltage

1.14

1.16

1.18

1.20

1.22

1.24

1.26

2.5

2.8 3.1

3.4

3.7

4.3

4.6

4.9 5.2

5.5

Input Voltage (V)

VOUT = 1.8V

Efficiency vs. Input Voltage

100

2.5 2.8

3.1 3.4

3.7

4.3

4.6 4.9

5.2 5.5

Input Voltage (V)

IOUT = 600mA

IOUT = 300mA

VOUT = 1.8V

Current Limit vs. Input Voltage

0.00

0.25

0.50

0.75

1.00

1.25

1.50

1.75

2.00

2.25

2.50

2.5

2.8

3.1

3.4

3.7

4.3

4.6

4.9

5.2

5.5

Input Voltage (V)

VOUT = 1.8V

Efficiency vs. Load Current

100

0.01

0.11

0.21

0.31

0.41

0.51

0.61

Load Current (A)

VIN = 3.3V

VIN = 5V

VOUT = 1.8V

Part Number	Components Description	Html View	Manufacturer
RT8008	1.5MHz 600mA High Efficiency PWM Step-Down DC/DC Converter	1 2 3 4 5 More	Richtek Technology Corporation
LTC1911-15	Low Noise High Efficiency Inductorless Step-Down DC/DC Converter	1 2 3 4 5 More	Linear Technology
LTC1174_06	High Efficiency Step-Down and Inverting DC/DC Converter	1 2 3 4 5 More	Linear Technology
R1232D	PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER	1 2 3 4 5 More	RICOH electronics devices division
P1696	150KHZ 2A PWM STEP-DOWN DC/DC CONVERTER	1 2 3 4 5 More	Unisonic Technologies
LM3668	1A High Efficiency Dual Mode Single Inductor Buck-Boost DC/DC Converter	Coming Soon	National Semiconductor
UC3500	HIGH EFFICIENCY VFM CONTROLLED STEP-UP DC/DC CONVERTER	1 2 3 4 5 More	Unisonic Technologies
ML0308_1	Tiny Package High Efficiency White LED Driver and Step-up DC/DC Converter	1 2 3 4 5 More	Minilogic Device Corporation Limited
AAT2511_0605	Dual 600mA 1MHz Step-Down DC/DC Converter	1 2 3 4 5 More	Advanced Analogic Technologies
AAT1147	High Efficiency Low Noise Fast Transient 400mA Step-Down Converter	1 2 3 4 5 More	Advanced Analogic Technologies

Related Electronics Part Number

Link URL

Sponsor of Alldatasheet