LTC4077 datasheet(2/16 Pages) LINER

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LTC4077

4077fa

TOP VIEW

DD PACKAGE

10-LEAD (3mm 3mm) PLASTIC DFN

DCIN

BAT

IDC

HPWR

USBIN

IUSB

IUSBL

PWR

CHRG

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VDCIN

Supply Voltage

●

4.3

VUSBIN

Supply Voltage

●

4.3

IDCIN

DCIN Supply Current

Charge Mode (Note 4), RIDC = 10k

●

150

700

µA

Standby Mode; Charge Terminated

●

100

µA

Shutdown Mode (EN = 5V)

µA

IUSBIN

USBIN Supply Current

Charge Mode (Note 5), RIUSB = RIUSBL = 10k,

VDCIN = 0V

●

150

700

µA

Standby Mode; Charge Terminated, VDCIN = 0V

●

100

µA

Shutdown (VDCIN = 0V, EN = 5V)

µA

VDCIN > VUSBIN

µA

VFLOAT

Regulated Output (Float) Voltage

IBAT = 1mA (Note 9)

4.175

4.2

4.225

IBAT = 1mA, 0°C < TA < 85°C, 4.3V < VCC < 8V

4.158

4.2

4.242

IBAT

BAT Pin Current

RIDC = 1.25k, Constant-Current Mode

●

760

800

840

RIUSB = 2.1k, Constant-Current Mode

●

450

476

500

RIDC = 10k or RIUSB = 10k

●

100

108

RIUSBL = 4k, HPWR = 0

●

Standby Mode, Charge Terminated

–3

–6

µA

Shutdown Mode (Charger Disabled)

–1

–2

µA

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

±1

±2

µA

VIDC

IDC Pin Regulated Voltage

Constant-Current Mode

0.95

1.05

VIUSB

IUSB Pin Regulated Voltage

Constant-Current Mode

0.95

1.05

VIUSBL

IUSBL Pin Regulated Voltage

Constant-Current Mode

0.18

0.2

0.22

IC/IO

Charge Current Termination Threshold

VDCIN = 5V, RIDC = 1.25k (Note 7)

●

0.09

0.1

0.11

mA/mA

VUSBIN = 5V, VDCIN = 0V

●

0.09

0.1

0.11

mA/mA

Input Supply Voltage (DCIN, USBIN) .........–0.3V to 10V



EN, CHRG, PWR, HPWR ............................–0.3V to 10V

BAT, IDC, IUSB, IUSBL.................................–0.3V to 7V

DCIN Pin Current (Note 6) ..........................................1A

USBIN Pin Current (Note 6) .................................700mA

BAT Pin Current (Note 6) ............................................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

ORDER PART NUMBER

DD PART MARKING

TJMAX = 125°C, θJA = 40°C/W (NOTE 3)

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

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

LTC4077EDD

(Notes 1, 9)

The ● denotes the speciﬁcations which apply over the full operating

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

ELECTRICAL CHARACTERISTICS

ABSOLUTE AXI U RATI GS

PACKAGE/ORDER I FOR ATIO

LBWD

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

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