LTC4078 datasheet(2/16 Pages) LINER

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LTC4078/LTC4078X

4078xfb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Input Supply Voltage (DCIN, USBIN) ............–0.3 to 22V

ENABLE, CHRG, PWR, BATDET, BAT ...............–0.3 to 6V

IDC, IUSB, ITERM Pin Current .................................1mA

DCIN, USBIN, BAT Pin Current....................................1A

BAT Short-Circuit Duration............................ Continuous

Maximum Junction Temperature........................... 125°C

Operating Temperature Range (Note 2).... –40°C to 85°C

Storage Temperature Range................... –65°C to 125°C

(Note 1)

TOP VIEW

DD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC DFN

DCIN

BAT

IDC

BATDET

ENABLE

USBIN

IUSB

ITERM

PWR

CHRG

TJMAX = 125°C, θJA = 40°C/W (Note 3)

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

The

l 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.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VDCIN

Operating Supply Voltage

4.3

5.5

VUSBIN

Operating Supply Voltage

4.3

5.5

IDCIN

DCIN Supply Current

Charge Mode (Note 4), RIDC = 10k

Standby Mode; Charge Terminated

Shutdown Mode (ENABLE = 5V)

Overvoltage Mode (VDCIN = 10V)

350

800

120

140

μA

IUSBIN

USBIN Supply Current

Charge Mode (Note 5), RIUSB = 10k, VDCIN = 2V

Standby Mode; Charge Terminated, VDCIN = 2V

Shutdown (VDCIN = 2V, ENABLE = 0V)

Overvoltage Mode (VUSBIN = 10V)

VDCIN > VUSBIN

350

800

120

140

μA

VFLOAT

Regulated Output (Float) Voltage

IBAT = 1mA

IBAT = 1mA, 0°C < TA < 85°C

4.185

4.165

4.2

4.215

4.235

IBAT

BAT Pin Current

RIDC = 1.25k, Constant-Current Mode

RIUSB = 2.1k, Constant-Current Mode

RIDC = 10k or RIUSB = 10k

Standby Mode, Charge Terminated

Shutdown Mode (Charger Disabled)

Sleep Mode (VDCIN = 0V, VUSBIN = 0V)

770

455

800

476

100

–7.5

830

495

107

–12

μA

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4078XEDD#PBF

LTC4078XEDD#TRPBF

LCYP

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

LTC4078EDD#PBF

LTC4078EDD#TRPBF

LDJY

10-Lead (3mm

× 3mm) Plastic DFN

–40°C to 85°C

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based ﬁnish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel speciﬁcations, go to: http://www.linear.com/tapeandreel/

ORDER INFORMATION

ELECTRICAL CHARACTERISTICS

LTC4078 Datasheet(PDF) 2 Page - Linear Technology

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