RT9501APF datasheet(4/9 Pages) RICHTEK

4 / 9 page

RT9501A/B

Preliminary

DS9501A/B-07 March 2007

www.richtek.com

Electrical Characteristics

Recommended Operating Conditions

(Note 3)

Supply Input Voltage -------------------------------------------------------------------------------------------------- 4.5V to 7V

Junction Temperature Range ----------------------------------------------------------------------------------------

−20°C to 70°C

Absolute Maximum Ratings

(Note 1)

Supply Voltage ---------------------------------------------------------------------------------------------------------

−0.3V to 7V

Storage Temperature Range ----------------------------------------------------------------------------------------

−65°C to 150°C

Power Dissipation, PD @ TA = 25

°C

MSOP-8 ----------------------------------------------------------------------------------------------------------------- 300mW

Package Thermal Resistance

MSOP-8,

θJA------------------------------------------------------------------------------------------------------------ 80°C/W

Operation Junction Temperature Range --------------------------------------------------------------------------

−40°C to 125°C

Junction Temperature ------------------------------------------------------------------------------------------------- 150

°C

ESD Susceptibility (Note 2)

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

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

(TA = 25

°C, unless otherwise specification)

Parameter

Symbol

Test Condition

Min

Typ

Max

Units

Operating Current

IDD(OPE)

4.5V < VDD < 7V,

Excluding external loads

VDD Sleep Current

IDD(SLP)

VBATT −VDD ≥ 0.2V

μA

Input Bias Current @ BATT pin IBATT

VBATT = VO(REG),

VBATT − VDD ≥ 0.2V

1.5

2.5

μA

Input Bias Current @ CS pin

ICS

VCS = 5V, VBATT − VDD ≥ 0.2V

μA

Input Bias Current @ TS pin

ITS

VTS = 5V, VBATT − VDD ≥ 0.2V

μA

Input Bias Current @ FB/CE pin ICE

VCE = 5V, VBATT − VDD ≥ 0.2V

μA

Input Low Voltage @ CE pin

VCE

1.5

Input High Voltage @ CE pin

VCE

VDD–1.5

Feedback Voltage @ FB pin

VFB

2.048

2.10

2.152

RT9501A

4.059

4.10

4.141

Output Voltage

VO(REG)

RT9501B

4.158

4.20

4.242

Current Regulation Threshold

VI(SNS)

VI(SNS) = VDD – VCS

100

110

121

Charge Terminated Current

Detect Threshold

V(TERM)

Lower Temperature Threshold

VTS1

29.1

30.9

%VDD

Upper Temperature Threshold

VTS2

58.3

61.8

%VDD

Precharge Threshold

VO(MIN)

2.8

2.9

3.0

Precharge Current Regulation

V(PRE)

Recharge Threshold

VO(RCH)

VO(REG) –

140mV

V O(REG)–

100mV

VO(REG) –

60mV

To be continued

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