LTC4065 LINER [Linear Technology], LTC4065 Datasheet - Page 3

• Manufacturer Part Number: LTC4065
• Description: High Efficiency Battery Charger/USB Power Manager
• Manufacturer: LINER [Linear Technology]

elecTrical characTerisTics
temperature range, otherwise specifications are at T
SYMBOL
I
V
V
V
V
f
R
R
I
R
Battery Charger
V
I
I
V
V
h
V
ΔV
V
t
t
I
V
h
V
I
OUT
OSC
PEAK
CHG
BAT
TERM
BADBAT
C/X
CHRG
CLPROG
UVLO
DUVLO
OUT
FLOAT
PROG
PROG,TRKL
PROG
TRKL
RECHRG
C/X
C/X
CHRG
PMOS
NMOS
SUSP
TRKL
PARAMETER
V
Discharging Battery
CLPROG Servo Voltage in Current Limit
V
V
Lockout
V
Switching Frequency
PMOS On Resistance
NMOS On Resistance
Peak Inductor Current Clamp
Suspend LDO Output Resistance
BAT Regulated Output Voltage
Constant-Current Mode Charge Current
Battery Drain Current
PROG Pin Servo Voltage
PROG Pin Servo Voltage in Trickle
Charge
Ratio of I
Trickle Charge Threshold Voltage
Trickle Charge Hysteresis Voltage
Recharge Battery Threshold Voltage
Safety Timer Termination Period
Bad Battery Termination Time
Battery Charge Current at Programmed
End of Charge Indication
C/X Threshold Voltage
Battery Charge Current Ratio to C/X
CHRG Pin Output Low Voltage
CHRG Pin Input Current
OUT
BUS
BUS
OUT
Current Available Before
Undervoltage Lockout
to BAT Differential Undervoltage
Voltage
BAT
to PROG Pin Current
A
CONDITIONS
1x Mode, BAT = 3.3V
5x Mode, BAT = 3.3V
10x Mode, BAT = 3.3V
Low Power Suspend Mode
High Power Suspend Mode
1x, 5x, 10x Modes
Suspend Modes
Rising Threshold
Falling Threshold
Rising Threshold
Falling Threshold
1x, 5x, 10x Modes, 0V < BAT ≤ 4.2V,
I
USB Suspend Modes, I
1x, 5x Modes
10x Mode
0°C ≤ T
R
R
V
Regulator On, Battery Charger Off,
I
V
BAT < V
BAT Rising
Threshold Voltage Relative to V
Timer Starts when V
BAT < V
R
R
I
BAT = 4.5V, V
OUT
OUT
CHRG
= 25°C. V
BUS
BUS
PROG
PROG
C/X
C/X
= 0mA, Battery Charger Off
= 0µA
= 1k
= 5k
> V
= 0V, I
The
= 5mA
= 1k
= 5k
A
TRKL
TRKL
UVLO
≤ 85°C
l
BUS
OUT
denotes the specifications which apply over the full operating
, PowerPath Switching
CHRG
= 5V, BAT = 3.8V, R
= 0µA (Ideal Diode Mode)
= 5V
BAT
OUT
= V
= 250µA
FLOAT
FLOAT
CLPROG
= 2.94k, unless otherwise noted.
4.179
4.165
0.26
3.95
MIN
980
192
–80
1.6
3.5
4.5
1.8
2.7
3.2
0.4
85
BAT + 0.3
1.188
4.200
4.200
1.000
0.100
1251
1030
1031
–100
1031
0.32
2.04
4.30
4.00
2.25
0.18
0.30
2.85
TYP
135
672
100
200
206
135
100
100
4.6
3.5
4.0
0.5
50
15
23
20
65
2
3
0
LTC4088
4.221
4.235
1080
–120
MAX
0.41
2.46
4.35
220
115
100
4.7
4.7
2.7
3.0
4.8
0.6
35
5
1
mA/mA
mA/mA
UNITS
4088fb
Hour
Hour
3
MHz
mA
mA
mA
mA
mA
mV
mV
mV
mA
mA
mV
mV
mA
mA
mV
mV
µA
µA
µA
Ω
Ω
Ω
V
V
V
V
V
A
A
V
V
V
V
V