LTC3550EDHC-1#TR Linear Technology, LTC3550EDHC-1#TR Datasheet - Page 3

• Manufacturer Part Number: LTC3550EDHC-1#TR
• Description: IC,Battery Management,CMOS,LLCC,16PIN,PLASTIC
• Manufacturer: Linear Technology
• Type: Battery Chargerr

Specifications of LTC3550EDHC-1#TR

• Battery Type: Li-Ion
• Output Current: 800mA
• Output Voltage: 4.2V
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -40C to 85C
• Mounting: Surface Mount
• Pin Count: 16
• Operating Temperature Classification: Industrial
• Lead Free Status / Rohs Status: Not Compliant

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
V
V
Battery Charger
I
I
V
I
V
V
I
ΔV
t
t
t
R
R
T
Switching Regulator
V
ΔV
I
V
I
DCIN
USBIN
BAT
TERMINATE
RECHRG
TERMINATE
SS
PK
S
ASD-DC
ASD-USB
LIM
FLOAT
IDC
IUSB
ON-DC
ON-USB
OUT
LOADREG
RECHRG
OUT
PARAMETER
V
V
Voltage
DCIN Supply Current
USBIN Supply Current
Regulated Output (Float) Voltage
BAT Pin Current
IDC Pin Regulated Voltage
IUSB Pin Regulated Voltage
Charge Current Termination Threshold
Recharge Battery Threshold Voltage
Recharge Comparator Filter Time
Termination Comparator Filter Time
Soft-Start Time
Power FET On-Resistance (Between
DCIN and BAT)
Power FET On-Resistance (Between
USBIN and BAT)
Junction Temperature in Constant-
Temperature Mode
Regulated Output Voltage
Output Voltage Line Regulation
Peak Inductor Current
Output Voltage Load Regulation
Input DC Bias Current
DCIN
USBIN
Charge Mode (Note 5)
Standby Mode
Shutdown Mode
Constant-Current Mode
Constant-Current Mode
Constant-Current Mode
Standby Mode
Shutdown Mode
Sleep Mode
Charge Mode (Note 6)
Standby Mode
Shutdown Mode
Shutdown Mode
Active Mode
Sleep Mode
Shutdown
– V
– V
BAT
BAT
Lockout Threshold Voltage V
Lockout Threshold
A
= 25°C. V
CONDITIONS
V
V
V
R
Charge Terminated
ENABLE = 5V
R
Charge Terminated
V
V
I
I
R
R
R
Charge Terminated
Charger Disabled
DCIN = 0V, USBIN = 0V
Constant-Current Mode
Constant-Current Mode
R
R
R
R
V
V
I
I
I
V
(Note 7)
V
V
V
BAT
BAT
BAT
BAT
OUT
DCIN
DCIN
USBIN
USBIN
DCIN
DCIN
FLOAT
BAT
CC
OUT
OUT
RUN
IDC
IUSB
IDC
IUSB
IDC
ITERM
ITERM
ITERM
ITERM
The
= 3V, V
= 1mA
= 1mA, 0°C < T
= 10% to 90% Full-Scale
Drops Below Termination Threshold
= 100mA
= 10k
= 1.25k
= 10k or R
from High to Low
= 1.7V, I
= 1.94V, I
= 0V, V
from Low to High, V
from High to Low, V
= 10k, V
= 0V, ENABLE = 0V
> V
= 2.1k
from Low to High, V
from High to Low, V
– V
= 1k
= 2k
= 10k
= 20k
●
DCIN
USBIN
RECHRG
denotes the specifi cations which apply over the full operating
OUT
CC
LOAD
= 5V, V
DCIN
LOAD
IUSB
= 1.7V
= 5.5V
, 0°C < T
= 0A
= 0V
A
= 10k
= 0A
< 85°C
USBIN
BAT
A
BAT
BAT
BAT
< 85°C
= 5V, V
= 4.2V
= 4.2V
= 4.2V
= 4.2V
CC
= 3.6V unless otherwise noted.
●
●
●
●
●
●
●
●
●
●
●
●
●
4.175
4.158
1.819
0.95
0.95
0.75
MIN
140
140
760
450
175
8.5
0.8
20
20
93
90
45
65
4
3
1.875
LTC3550-1
0.04
TYP
180
180
250
250
800
476
100
100
100
250
400
550
105
300
4.2
4.2
1.0
1.0
1.5
0.5
0.1
50
50
50
20
50
18
10
–3
–1
±1
50
10
20
5
1
6
4.225
4.242
1.931
MAX
1.05
1.05
11.5
1.25
220
220
800
100
800
100
840
500
107
110
135
325
400
2.2
0.4
80
80
40
36
20
–6
–2
±2
55
35
6
9
1
UNITS
35501f
3
%/V
mΩ
mΩ
mV
mV
mV
mV
mA
mA
mA
mA
mA
mA
mA
mV
ms
ms
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µs
°C
%
V
V
V
V
V
A