LTC3559 Linear Technology, LTC3559 Datasheet - Page 3

• Manufacturer Part Number: LTC3559
• Description: Linear USB Battery Charger
• Manufacturer: Linear Technology

www.DataSheet4U.com
ELECTRICAL CHARACTERISTICS
SYMBOL
ΔV
ΔV
t
t
t
h
t
R
T
NTC
V
V
V
I
Logic (HPWR, SUSP, ⎯ C ⎯ H ⎯ R ⎯ G )
V
V
R
V
I
Buck Switching Regulators, BAT = PV
PV
I
PV
f
V
V
I
I
V
I
D
R
R
R
range, otherwise specifi cations are at T
RECHRG
TERM
BADBAT
C/10
NTC
⎯ C ⎯ H ⎯ R ⎯ G
PVIN
OSC
LIMSW
OUT
FB
C/10
LIM
COLD
HOT
DIS
IL
IH
⎯ C ⎯ H ⎯ R ⎯ G
IL
IH
FB
ON(CHG)
DN
MAX
PMOS
NMOS
SW(PD)
TRKL
RECHRG
IN
IN
UVLO PV
PARAMETER
Trickle Charge Hysteresis Voltage
Recharge Battery Threshold Voltage
Recharge Comparator Filter Time
Safety Timer Termination Period
Bad Battery Termination Time
End-of-Charge Indication Current Ratio
End-of-Charge Comparator Filter Time
Battery Charger Power FET On-Resistance
(Between V
Junction Temperature in Constant
Temperature Mode
Cold Temperature Fault Threshold Voltage Rising NTC Voltage
Hot Temperature Fault Threshold Voltage
NTC Disable Threshold Voltage
NTC Leakage Current
Input Low Voltage
Input High Voltage
Logic Pin Pull-Down Resistance
⎯ C ⎯ H ⎯ R ⎯ G Pin Output Low Voltage
⎯ C ⎯ H ⎯ R ⎯ G Pin Input Current
Input Supply Voltage
Pulse Skip Supply Current
Burst Mode Supply Current
Shutdown Supply Current
Supply Current in UVLO
PV
Switching Frequency
Input Low Voltage
Input High Voltage
Peak PMOS Current Limit
Available Output Current
Feedback Voltage
FB Input Current
Maximum Duty Cycle
R
R
SW Pull-Down in Shutdown
DS(ON)
DS(ON)
IN
IN
Falling
Rising
of PMOS
of NMOS
CC
and BAT)
IN
= 3.8V, EN1 = EN2 = 3.8V
A
= 25°C.
CONDITIONS
Threshold Voltage Relative to V
BAT Falling
BAT = V
BAT < V
(Note 5)
I
I
Hysteresis
Falling NTC Voltage
Hysteresis
Falling NTC Voltage
Hysteresis
V
HPWR, SUSP Pins
HPWR, SUSP Pins
HPWR, SUSP Pins
I
BAT = 4.5V, V
V
V
EN1 = EN2 = 0V
PV
MODE = 0V
MODE, EN1, EN2
MODE, EN1, EN2
MODE = 0V or 3.8V
MODE = 0V or 3.8V
FB1, FB2 = 0.82V
FB1, FB2 = 0V
I
I
BAT
BAT
⎯ C ⎯ H ⎯ R ⎯ G
SW
SW
NTC
FB
FB
IN
= 0.82V, MODE = 0 (One Buck Enabled) (Note 6)
= 0.82V, MODE = 1 (One Buck Enabled) (Note 6)
= 100mA
= –100mA
Falling
= 190mA
= 2.0V
= V
= 5mA
FLOAT
TRKL
CC
The
= 5V
⎯ C ⎯ H ⎯ R ⎯ G
●
denotes specifi cations that apply over the full operating temperature
= 5V
FLOAT
●
●
●
●
●
0.085
–0.05
33.4
1.91
MIN
–85
550
400
780
100
3.5
0.4
0.7
1.2
1.9
1.2
75
–1
3
–100
76.5
34.9
2.45
2.55
2.25
0.65
0.75
TYP
100
500
105
100
220
800
800
1.7
0.5
0.1
2.2
1.6
1.6
1.7
50
35
13
4
4
0
0
4
LTC3559
–130
1050
MAX
0.11
36.4
2.59
0.05
250
400
820
4.5
0.6
2.7
0.4
6.3
4.2
0.4
78
50
1
1
2
8
mA/mA
UNITS
%V
%V
%V
%V
%V
Hour
Hour
3
MHz
3559f
MΩ
mΩ
mV
mV
mV
mV
mA
mA
mV
ms
ms
kΩ
μA
μA
μA
μA
μA
μA
μA
°C
CC
CC
CC
CC
CC
%
Ω
Ω
V
V
V
V
V
V
V