LTC3559 datasheet(2/24 Pages) LINER

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LTC3559/LTC3559-1

3559fb

ORDER INFORMATION

PIN CONFIGURATION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

VCC (Transient);

t < 1ms and Duty Cycle < 1%....................... –0.3V to 7V

VCC (Static) .................................................. –0.3V to 6V

BAT, CHRG, SUSP ........................................ –0.3V to 6V

HPWR, NTC, PROG ....... –0.3V to Max (VCC, BAT) + 0.3V

PROG Pin Current ...............................................1.25mA

BAT Pin Current ..........................................................1A

PVIN ................................................ –0.3V to BAT + 0.3V

EN1, EN2, MODE.......................................... –0.3V to 6V

FB1, FB2, SW1, SW2 ............–0.3V to PVIN + 0.3V or 6V

ISW1, ISW2 ......................................................600mA DC

Junction Temperature (Note 2) ............................. 125°C

Operating Temperature Range (Note 3).... –40°C to 85°C

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

(Note 1)

16 15 14 13

TOP VIEW

UD PACKAGE

16-LEAD (3mm

3mm) PLASTIC QFN

GND

BAT

MODE

FB1

HPWR

SUSP

FB2

EN2

TJMAX = 125°C, θJA = 68°C/W

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

The

l denotes speciﬁcations that apply over the full operating temperature

range, otherwise speciﬁcations are at TA = 25°C.

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Battery Charger. VCC = 5V, BAT = PVIN = 3.6V, RPROG = 1.74k, HPWR = 5V, SUSP = NTC = EN1 = EN2 = 0V

VCC

Input Supply Voltage

4.3

5.5

IVCC

Battery Charger Quiescent Current (Note 4) Standby Mode, Charge Terminated

Suspend Mode, VSUSP = 5V

200

8.5

400

μA

VFLOAT

BAT Regulated Output Voltage

LTC3559

0°C ≤ TA ≤ 85°C, LTC3559

4.179

4.165

4.200

4.221

4.235

LTC3559-1

0°C ≤ TA ≤ 85°C, LTC3559-1

4.079

4.065

4.100

4.121

4.135

ICHG

Constant-Current Mode Charge Current

HPWR = 5V

HPWR = 0V

440

460

500

100

IBAT

Battery Drain Current

Standby Mode, Charger Terminated

Shutdown, VCC < VUVLO, BAT = VFLOAT

Suspend Mode, SUSP = 5V, BAT = VFLOAT

–3.5

–2.5

–1.5

–7

–4

–3

μA

VUVLO

Undervoltage Lockout Threshold

BAT = 3.5V, VCC Rising

3.85

4.0

4.125

ΔVUVLO

Undervoltage Lockout Hysteresis

BAT = 3.5V

200

VDUVLO

Differential Undervoltage Lockout

Threshold

BAT = 4.05V, (VCC – BAT) Falling (LTC3559)

BAT = 3.95V, (VCC – BAT) Falling (LTC3559-1)

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC3559EUD#PBF

LTC3559EUD#TRPBF

LCMB

16-Lead (3mm

× 3mm) Plastic QFN

–40°C to 85°C

LTC3559EUD-1#PBF

LTC3559EUD-1#TRPBF

LDQD

16-Lead (3mm

× 3mm) Plastic QFN

–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/

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