LTC3577EUFF#PBF Linear Technology, LTC3577EUFF#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC3577EUFF#PBF
• Description: IC PWR MANAGEMENT HANDHELD 44QFN
• Manufacturer: Linear Technology

Specifications of LTC3577EUFF#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

ELECTRICAL CHARACTERISTICS
LTC3577/LTC3577-1
full operating temperature range, otherwise specifi cations are at T
V
SYMBOL
Input Power Supply
V
I
I
h
V
V
V
R
Battery Charger
V
I
I
I
I
V
V
h
I
V
ΔV
t
t
h
R
T
4
BUS(LIM)
BUSQ
CHG
BATQ_HR
BATQ_OFF
BATQ_ON
TRKL
TERM
BADBAT
CLPROG
PROG
C/10
LIM
BUS
CLPROG
UVLO
DUVLO
FLOAT
PROG,CHG
PROG,TRKL
TRKL
INLDO1
ON_ILIM
ON_CHG
RECHRG
= V
INLDO2
PARAMETER
Input Supply Voltage
Total Input Current (Note 5)
Input Quiescent Current, POFF State
Ratio of Measured V
CLPROG Program Current
CLPROG Servo Voltage in Current
Limit
V
V
Lockout
Input Current Limit Power FET On-
Resistance (Between V
V
Constant-Current Mode Charge Current R
Battery Drain Current, Hard Reset
Battery Drain Current, POFF State
Battery Drain Current, PON State
LDOs, and LED Backlight Disabled
PROG Pin Servo Voltage
PROG Pin Servo Voltage in Trickle
Charge
Ratio of I
Trickle Charge Current
Trickle Charge Rising Threshold
Trickle Charge Falling Threshold
Recharge Battery Threshold Voltage
Safety Timer Termination Period
Bad Battery Termination Time
End-of-Charge Indication Current Ratio (Note 6)
Battery Charger Power FET On-
Resistance (Between V
Junction Temperature in Constant
Temperature Mode
BUS
BUS
BAT
Regulated Output Voltage
Undervoltage Lockout
to V
= V
BAT
OUT
IN12
to PROG Pin Current
Differential Undervoltage
= V
IN3
BUS
= V
BUS
OUT
Current to
OUT
and BAT)
and V
, R
OUT
PROG
)
= 2k, R
CONDITIONS
I
I
I
1x, 5x, 10x Modes
I
1x Mode
5x Mode
10x Mode
Rising Threshold
Falling Threshold
Rising Threshold
Falling Threshold
LTC3577
LTC3577, 0 ≤ T
LTC3577-1
LTC3577-1, 0 ≤ T
R
R
V
V
V
V
Supplies, Burst Mode Operation (Note 10)
V
V
V
V
V
Threshold Voltage Relative to V
Timer Starts When V
V
LIM0
LIM0
LIM0
LIM0
BUS
BAT
BUS
BUS
BAT
BAT
BAT
BAT
BAT
BAT
PROG
PROG
PROG
= 4.3V, Charger Time Out
> V
< V
< V
Rising
Falling
< V
= 0V, I
= 5V, I
= 5V, I
= 0V, I
= 0V, I
= 0V, I
= 0V
CLPROG
= 1k, Input Current Limit = 2A
= 2k, Input Current Limit = 1A
= 5k, Input Current Limit = 0.4A
TRKL
TRKL
TRKL
TRKL
LIM1
LIM1
LIM1
LIM1
OUT
OUT
Power Manager
= 2.1k, unless otherwise noted.
A
= 0μA, No Load on
= 0μA
= 0V (1x Mode)
= 5V (5x Mode)
= 0V (10x Mode)
= 5V (Suspend Mode)
≤ 85°C
A
≤ 85°C
A
BAT
= 25°C. V
= V
FLOAT
FLOAT
BUS
. The
– 50mV
= 5V, V
l
denotes the specifi cations which apply over the
l
l
l
l
l
l
BAT
= 3.8V, I
4.179
4.165
4.079
4.065
0.085
MIN
4.35
450
900
950
465
180
–75
3.5
2.5
3.2
0.4
80
40
LIM0
= I
0.042
4.200
4.200
4.100
4.100
1.000
0.100
1000
1000
1000
–100
0.42
2.85
2.75
TYP
475
950
–50
200
500
200
200
110
0.2
1.0
2.0
3.8
3.7
0.5
0.1
90
40
90
50
50
7
6
4
LIM1
= WALL = 0V,
4.221
4.235
4.121
4.135
MAX
1000
1050
–125
0.11
100
500
100
535
220
100
160
5.5
0.1
3.9
3.0
4.8
0.6
15
27
60
mA/mA
mA/mA
mA/mA
UNITS
3577fa
Hour
Hour
mΩ
mΩ
mA
mA
mA
mA
mA
mV
mV
mA
mA
mA
mA
mV
μA
μA
μA
μA
°C
V
V
V
V
V
V
V
V
V
V
V
V
V
V