LTC4075 datasheet(2/16 Pages) LINER

2 / 16 page

LTC4075/LTC4075X

4075Xfa

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

●

250

800

µA

Standby Mode; Charge Terminated

●

100

µA

Shutdown Mode (ENABLE = 5V)

µA

IUSBIN

USBIN Supply Current

Charge Mode (Note 5), RIUSB = 10k, VDCIN = 0V

●

250

800

µA

Standby Mode; Charge Terminated, VDCIN = 0V

●

100

µA

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

µA

VDCIN > VUSBIN

µA

VFLOAT

Regulated Output (Float) Voltage

IBAT = 1mA

4.175

4.2

4.225

IBAT = 1mA, 0°C < TA < 85°C

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

107

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

ITERMINATE

Charge Current Termination Threshold

RITERM = 1k

●

100

110

RITERM = 2k

●

RITERM = 10k

●

8.5

11.5

RITERM = 20k

●

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

ENABLE,

⎯C⎯H⎯R⎯G, ⎯P⎯W⎯R, USBPWR ................. –0.3 to 10V

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

DCIN Pin Current (Note 7) ..........................................1A

USBIN Pin Current (Note 7) .................................700mA

BAT Pin Current (Note 7) ............................................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)

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.

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

TOP VIEW

DD PACKAGE

10-LEAD (3mm

× 3mm) PLASTIC DFN

EXPOSED PAD IS GND (PIN 11)

MUST BE SOLDERED TO PCB

DCIN

BAT

IDC

USBPWR

ENABLE

USBIN

IUSB

ITERM

PWR

CHRG

ORDER PART NUMBER

DD PART MARKING

LTC4075EDD

LTC4075XEDD

LBSC

LBRK

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/

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

TJMAX = 125°C, θJA = 40°C/W (NOTE 3)

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