LTC4075HVXEDD 查看數據表（PDF） - Linear Technology

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LTC4075HVXEDD

High Voltage Dual Input Li-Ion/Polymer Battery Charger

Linear Technology 

LTC4075HVX

ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VDCIN = 5V, VUSBIN = 5V unless otherwise noted.

VUVDC

VUVUSB

VOVDC

VOVUSB

VASD-DC

VASD-USB

VENABLE

RENABLE

VOL

ΔVRECHRG

tRECHRG

tTERMINATE

RON-DC

RON-USB

TLIM

DCIN Undervoltage Lockout Voltage

USBIN Undervoltage Lockout Voltage

DCIN Overvoltage Lockout Voltage

USBIN Overvoltage Lockout Voltage

VDCIN – VBAT Lockout Threshold

VUSBIN – VBAT Lockout Threshold

ENABLE Input Threshold Voltage

ENABLE Pulldown Resistance

Output Low Voltage

(⎯C⎯H⎯R⎯G, ⎯P⎯W⎯R, USBPWR)

Recharge Battery Threshold Voltage

Recharge Comparator Filter Time

Termination Comparator Filter Time

Power FET “ON” Resistance

(Between DCIN and BAT)

Power FET “ON” Resistance

(Between USBIN and BAT)

Junction Temperature in Constant-

Temperature Mode

From Low to High

Hysteresis

From Low to High

Hysteresis

From Low to High

Hysteresis

From Low to High

Hysteresis

VDCIN from Low to High, VBAT = 4.2V

VDCIN from High to Low, VBAT = 4.2V

VUSBIN from Low to High

VUSBIN from High to Low

ISINK = 5mA

VFLOAT – VRECHRG, 0°C < TA < 85°C

VBAT from High to Low

IBAT Drops Below Termination Threshold

4

4.15

4.3

V

190

mV

3.8

3.95

4.1

V

170

mV

5.8

6

6.2

V

185

mV

5.8

6

6.2

V

185

mV

70

120

170

mV

10

40

70

mV

70

120

170

mV

10

40

70

mV

0.6

0.9

1.2

V

●

1

2

3.5

MΩ

0.12 0.35

V

90

125

160

mV

2.25

4.1

6.75

ms

1

1.6

2.4

ms

600

mΩ

700

mΩ

125

°C

Note 1: Stresses beyond those listed under Absolute Maximum Ratings

may cause permanent damage to the device. Exposure to any Absolute

Maximum Rating condition for extended periods may affect device

reliability and lifetime.

Note 2: The LTC4075HVX is guaranteed to meet the performance

specifications from 0°C to 85°C. Specifications over the –40°C to 85°C

operating temperature range are assured by design, characterization and

correlation with statistical process controls.

Note 3: Failure to correctly solder the exposed backside of the package to

the PC board will result in a thermal resistance much higher than 40°C/W.

See Thermal Considerations.

Note 4: Supply current includes IDC and ITERM pin current (approximately

100μA each) but does not include any current delivered to the battery

through the BAT pin.

Note 5: Supply current includes IUSB and ITERM pin current

(approximately 100μA each) but does not include any current delivered to

the battery through the BAT pin.

4075hvxf

3

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