LTC3559/LTC3559-1
2
3559fb
ORDER INFORMATION
PIN CONFIGURATION
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
V
CC
(Transient);
t < 1ms and Duty Cycle < 1% ....................... –0.3V to 7V
V
CC
(Static) .................................................. –0.3V to 6V
BAT, CHRG, SUSP ........................................ –0.3V to 6V
HPWR, NTC, PROG ....... –0.3V to Max (V
CC
, BAT) + 0.3V
PROG Pin Current ...............................................1.25mA
BAT Pin Current ..........................................................1A
PV
IN
................................................ –0.3V to BAT + 0.3V
EN1, EN2, MODE .......................................... –0.3V to 6V
FB1, FB2, SW1, SW2 ............–0.3V to PV
IN
+ 0.3V or 6V
I
SW1
, I
SW2
......................................................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
5 6 7 8
TOP VIEW
17
UD PACKAGE
16-LEAD (3mm s 3mm) PLASTIC QFN
9
10
11
12
4
3
2
1GND
BAT
MODE
FB1
HPWR
SUSP
FB2
EN2
V
CC
CHRG
PROG
NTC
EN1
SW1
PV
IN
SW2
T
JMAX
= 125°C, θ
JA
= 68°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
The l denotes specifi cations that apply over the full operating temperature
range, otherwise specifi cations are at T
A
= 25°C.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Battery Charger. V
CC
= 5V, BAT = PV
IN
= 3.6V, R
PROG
= 1.74k, HPWR = 5V, SUSP = NTC = EN1 = EN2 = 0V
V
CC
Input Supply Voltage
l
4.3 5.5 V
I
VCC
Battery Charger Quiescent Current (Note 4) Standby Mode, Charge Terminated
Suspend Mode, V
SUSP
= 5V
200
8.5
400
17
μA
μA
V
FLOAT
BAT Regulated Output Voltage LTC3559
0°C ≤ T
A
≤ 85°C, LTC3559
4.179
4.165
4.200
4.200
4.221
4.235
V
V
LTC3559-1
0°C ≤ T
A
≤ 85°C, LTC3559-1
4.079
4.065
4.100
4.100
4.121
4.135
V
V
I
CHG
Constant-Current Mode Charge Current HPWR = 5V
HPWR = 0V
l
440
84
460
92
500
100
mA
mA
I
BAT
Battery Drain Current Standby Mode, Charger Terminated
Shutdown, V
CC
< V
UVLO
, BAT = V
FLOAT
Suspend Mode, SUSP = 5V, BAT = V
FLOAT
–3.5
–2.5
–1.5
–7
–4
–3
μA
μA
μA
V
UVLO
Undervoltage Lockout Threshold BAT = 3.5V, V
CC
Rising 3.85 4.0 4.125 V
ΔV
UVLO
Undervoltage Lockout Hysteresis BAT = 3.5V 200 mV
V
DUVLO
Differential Undervoltage Lockout
Threshold
BAT = 4.05V, (V
CC
– BAT) Falling (LTC3559)
BAT = 3.95V, (V
CC
– BAT) Falling (LTC3559-1)
30
30
50
50
70
70
mV
mV
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 specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to: http://www.linear.com/tapeandreel/
