RT8036AGQW Просмотр технического описания (PDF) - Richtek Technology

Номер в каталоге

Компоненты Описание

производитель

RT8036AGQW

One Step Down DC/DC Converter and Four Linear Regulators with Individual On/Off Control

Richtek Technology 

RT8036

Absolute Maximum Ratings (Note 1)

z Buck Supply Input Voltage, VINB ------------------------------------------------------------------------- −0.3V to 6.5V

z ENB, VOUTB Voltage --------------------------------------------------------------------------------------- −0.3V to VINB

z LDO1, LDO2 Supply Input Voltage, VINL1, VINL2 ------------------------------------------------------ −0.3V to 6V

z ENL1 to ENL4, VOUT1 to VOUT4 Voltage ------------------------------------------------------------- −0.3V to 6V

z Power Dissipation, PD @ TA = 25°C

WQFN−20L 3x3 ----------------------------------------------------------------------------------------------- 1.471W

z Package Thermal Resistance (Note 2)

WQFN−20L 3x3, θJA ----------------------------------------------------------------------------------------- 68°C/W

WQFN−20L 3x3, θJC ----------------------------------------------------------------------------------------- 7.5°C/W

z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------ 260°C

z Junction Temperature ---------------------------------------------------------------------------------------- 150°C

z Storage Temperature Range ------------------------------------------------------------------------------- −65°C to 165°C

z ESD Susceptibility (Note 3)

HBM (Human Body Mode) --------------------------------------------------------------------------------- 2kV

MM (Machine Mode) ----------------------------------------------------------------------------------------- 200V

Recommended Operating Conditions (Note 4)

z Supply Voltage, VINB, VINL1, VINL2 ------------------------------------------------------------------------ 2.5V to 5.5V

z Junction Temperature Range ------------------------------------------------------------------------------- −40°C to 125°C

z Ambient Temperature Range ------------------------------------------------------------------------------- −40°C to 85°C

Electrical Characteristics

(VINB = 3.6V, VINLx = VOUTLx + 0.7V, VENLx = VINLx, CINB = 4.7μF, COUTB = 10μF, CINLx = COUTLx = 1μF, L = 2.2μH, TA = 25°C,

unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Buck Converter

Input Voltage Range

Quiescent Current

Shutdown Current

Output Voltage Accuracy

VOUTB Pin Input Current

RDS(ON) of P-MOSFET

R DS(ON) of N-MOSFET

P-Channel Current Limit

ENB High-Level Input

Voltage

ENB Low-Level Input

Voltage

Under Voltage Lock Out

VINB

IQB

ISHDNB

ΔVOUTB

IOUTB

RDS(ON)_P

RDS(ON)_N

IL IM_ P

VENB_H

IOUTB = 0mA,

ENB = GND

VINB = VOUTB + ΔV to 5.5V

VIN > 2.5V which ever is larger.

(Note 5)

VOUTB = VINB

IOUTB = 200mA, VINB = 3.6V

IOUTB = 200mA, VINB = 2.5V

IOUTB = 200mA, VINB = 3.6V

IOUTB = 200mA, VINB = 2.5V

VINB = 2.5V to 5.5V

VINB = 2.5V to 5.5V

VENB_L

UVLO

VINB = 2.5V to 5.5V

2.5

--

5.5

V

--

40

60

μA

--

0.1

0.9

μA

−3

--

3

%

−50

--

50

nA

0.1 0.28 0.6

Ω

0.1 0.38 0.6

Ω

0.1 0.25 0.55 Ω

0.1 0.35 0.55 Ω

600 1800 2500 mA

1.5

-- VINB V

--

--

0.4

V

--

1.8

--

V

www.richtek.com

4

To be continued

DS8036-02 April 2011

Share Link: