ISL6297CR-T(2007) Просмотр технического описания (PDF) - Intersil

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ISL6297CR-T
(Rev.:2007)

Li-ion/Li Polymer Battery Charger

Intersil 

ISL6297

Electrical Specifications Typical values are tested at VIN = 5V and +25°C ambient temperature. Maximum and minimum values are

guaranteed over recommended operating conditions, unless otherwise noted. (Continued)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN TYP MAX UNITS

BATTERY TEMPERATURE MONITORING

Low Temperature Threshold

Low Temperature Hysteresis

VTMIN V2P9 = 2.88V

1.94

2.0

2.06

V

135

167

199

mV

High Temperature Threshold

High Temperature Hysteresis

VTMAX V2P9 = 2.88V

.704 .718 .732

V

160

185

200

mV

DT Pin MOSFET On Resistance

Charge Current Foldback Threshold (Note 4)

Current Foldback Gain (Note 5)

OSCILLATOR

RDT

TFOLD

GFOLD

-

25

-

Ω

-

100

-

°C

-

100

-

mA/°C

Oscillation Period

LOGIC INPUT AND OUTPUT

TOSC

CTIME = 15nF

2.7

3.0

3.3

ms

EN Input Low

-

-

0.8

V

EN Pin External Pull Down to Disable

-

-

50

kΩ

LED Sink Current (RED, GRN)

Pin Voltage = 1.0V

5

10

-

mA

LED Leakage Current

-

-

1

μA

NOTES:

3. The actual current may be lower due to the thermal foldback.

4. Guaranteed by design and characterization to be typically +100°C ±15%.

5. Guaranteed by design and characterization.

3

FN9215.1

March 20, 2007

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