2

LTC4001

4001f

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

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

(Note 1)

LTC4001EUF

ORDER PART NUMBER

UF PART MARKING

4001

EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB

16 15 14 13

5

6

7

8

TOP VIEW

17

UF PACKAGE

16-LEAD (4mm

× 4mm) PLASTIC QFN

9

10

11

12

4

3

2

1

BAT

SENSE

PGND

GNDSENS

PROG

NTC

FAULT

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Supply Voltage

(Note 2)

4

5.5

V

2

mA

Pins Open, Charger On

50

µA

Measured from BATSENS to GNDSENS

●

4.158

4.2

4.242

V

4.179

4.2

4.221

V

Current Mode Charge Current

1.8

2

2.2

A

0.9

1

1.1

A

±5

µA

Trickle Charge Current

35

50

65

mA

Trickle Charge Threshold

3.05

3.1

3.20

V

2.85

3.0

3.05

V

2.7

2.82

V

100

mV

Automatic Shutdown Threshold

200

250

300

mV

Voltage

15

30

60

mV

Oscillator Frequency

1.3

1.5

1.7

MHz

D

Maximum Duty Factor

100

%

127

m

Ω

Measured from SW to PGND

121

m

Ω

The

ELECTRICAL CHARACTERISTICS

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/

t < 1ms, DC < 1% .................................... –0.3V to 7V

Steady State ............................................ –0.3V to 6V

SW, SENSE, BAT, BATSENS, SS, FAULT, CHRG, EN,

NTC, PROG, IDET, TIMER Voltage .............. – 0.3V to 6V

Operating Temperature Range (Note 3) .. – 40

°C to 85°C

Operating Junction Temperature

(Note 5) ............................................... – 40

°C to 125°C

Storage Temperature Range ................ – 65

°C to 125°C