RT9526GE 데이터 시트보기 (PDF) - Richtek Technology

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RT9526GE

Linear Single Cell Li-Ion Battery Charger with Input Over Voltage Protection

Richtek Technology 

RT9526

Absolute Maximum Ratings (Note 1)

z Supply Voltage, VIN ------------------------------------------------------------------------------------------------------ −0.3V to 28V

z CHG_SB, PGB Pins ------------------------------------------------------------------------------------------------------ −0.3V to 7V

z Others ------------------------------------------------------------------------------------------------------------------------ −0.3V to 6V

z Power Dissipation, PD @ TA = 25°C

SOT-23-6 -------------------------------------------------------------------------------------------------------------------- 0.4W

WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W

WDFN-8L 2x3 -------------------------------------------------------------------------------------------------------------- 0.833W

z Package Thermal Resistance (Note 2)

SOT-23-6, θJA --------------------------------------------------------------------------------------------------------------- 250°C/W

WDFN-8L 2x2, θJA --------------------------------------------------------------------------------------------------------- 165°C/W

WDFN-8L 2x2, θJC --------------------------------------------------------------------------------------------------------- 8.2°C/W

WDFN-8L 2x3, θJA --------------------------------------------------------------------------------------------------------- 120°C/W

WDFN-8L 2x3, θJC --------------------------------------------------------------------------------------------------------- 8.2°C/W

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

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

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

Recommended Operating Conditions (Note 3)

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

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

Electrical Characteristics

(VIN = 4.5V, TA = 25°C unless otherwise specified)

Parameter

Symbol

Test Conditions

VIN POR Rising Threshold

Voltage

VPO R_ H

VIN POR Falling Threshold

Voltage

VPO R_ H

VIN − VBATT VOS Rising

VO S_ H

VIN − VBATT VOS Falling

VPO R_ L

VIN Standby Current

VBATT = 4.5V

BATT Sleep Leakage Current ISLEEP

Battery Regulation Voltage

VREG

VIN Power FET On-Resistance RDS(ON)

ISET Set Voltage (Fast Charge

Phase)

VISET

IBATT = 0.5A

Charge Current Accuracy

RISET = 29.4kΩ

BATT Pre-Charge Threshold VCHG_PRE

BATT Pre-Charge Threshold

Hysteresis

ΔVC HG_ PRE

Pre-Charge Current

IC HG_ PRE

ENB Input

Logic-High VIH

Threshold Voltage Logic-Low VIL

VIN = 4.2V to 24V

DS9526-01 April 2011

Min Typ Max Unit

3.4 3.8 4.2 V

3.1 3.5 3.9 V

-- 90 150 mV

10 50 -- mV

-- 300 500 μA

--

1

5 μA

4.158 4.2 4.242 V

-- 0.6 --

Ω

-- 1.21 --

V

135 150 165 mA

2.7 2.8 2.9 V

40 100 150 mV

12 16.7 21.3 %

1.5 --

--

V

--

-- 0.4

To be continued

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