RT9703CS 查看數據表（PDF） - Richtek Technology

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RT9703CS

80mΩ, 3A Smart Universal Power Switch with Flag

Richtek Technology 

RT9703

Preliminary

Absolute Maximum Ratings (Note 1)

Supply Voltage --------------------------------------------------------------------------------------------------------- 6.5V

Chip Enable Input Voltage ------------------------------------------------------------------------------------------ −0.3V to 6.5V

Flag Voltage ------------------------------------------------------------------------------------------------------------ 6.5V

Power Dissipation, PD @ TA = 25°C

SOP-8 -------------------------------------------------------------------------------------------------------------------- 0.95W

Package Thermal Resistance

SOP-8, θJA -------------------------------------------------------------------------------------------------------------- 104° C/W

Junction Temperature ------------------------------------------------------------------------------------------------ 125°C

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

Storage Temperature Range --------------------------------------------------------------------------------------- −65°C to 150°C

ESD Susceptibility (Note 2)

HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 8kV

MM (Machine Mode) ------------------------------------------------------------------------------------------------- 800V

Recommended Operating Conditions (Note 3)

Supply Input Voltage ------------------------------------------------------------------------------------------------- 2V to 5.5V

Chip Enable Input Voltage ------------------------------------------------------------------------------------------ 0V to 5.5V

Junction Temperature Range -------------------------------------------------------------------------------------- −20°C to 100°C

Electrical Characteristics

(VIN = 5V, CIN = COUT = 1µF, TA = 25° C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min

Switch On Resistance

RDS(ON) IOUT = 3A (Note 8)

--

Supply Current

ISW_ON Switch On, VOUT = Open

--

ISW_OFF Switch Off, VOUT = Open

--

CE Threshold Logic-Low Voltage VIL

Switch Off

--

(Note 7)

Logic-High Voltage VIH

Switch On

2.0

CE Input Current

ICE

VCE = 0V to 5.5V

--

Output Leakage Current

ILEAKAGE VCE = 0V, RLOAD = 0Ω

--

Output Turn-On Rise Time

TON_RISE 10% to 90% of VOUT rising

--

Current Limit Factor (Note 5)

ILIM x RSET

--

Max. Current Limit Setting (Note 6) ILIMSET VIN = 3.3V to 5.5V, RSET = 51.4kΩ

--

Current Limit Setting Accuracy

∆ILIMSET

ILIMSET = 0.5A to 3A

(RSET = 360kΩ to 60kΩ)

−20

FLAG Output Resistance

RFLG

ISINK = 1mA

--

FLAG Off Current

IFLG_OFF VFLG = 5V

--

FLAG Delay Time (Note 4)

tD

Form fault condition to FLG assertion 2

Under-Voltage Lockout

VUVLO

VIN increasing

1.3

Under-Voltage Hysteresis

∆VUVLO VIN decreasing

--

Typ

80

30

0.1

--

--

0

0.5

1.5

180k

--

Max Units

100 mΩ

50

µA

1

0.8 V

--

V

-- µA

10 µA

-- mS

-- A Ω

3.5 A

-- +20 %

15 400 Ω

0.01 1 µA

4.6

8 ms

1.7

--

V

0.1

--

V

4

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