LTC4006 Linear Technology, LTC4006 Datasheet - Page 3

• Manufacturer Part Number: LTC4006
• Description: Standalone Li-Ion Battery Charger
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
temperature range (Note 4), otherwise specifications are at T
SYMBOL
Current Comparators I
I
I
Current Sense Amplifier, CA2
Current Limit Amplifier
V
I
Voltage Error Amplifier, EA
OVSD
Input P-Channel FET Driver (INFET)
Thermistor
NTCVR
Indicator Outputs (ACP/SHDN, CHG)
C10TOL
LBTOL
V
V
I
IC10
I
TMAX
TREV
CLP
PO
OFF
CLP
OL
OH
PARAMETER
Maximum Current Sense Threshold (V
Reverse Current Threshold (V
Transconductance
Source Current
Sink Current
Transconductance
Current Limit Threshold
CLP Input Bias Current
Transconductance
Sink Current
Overvoltage Shutdown Threshold as a Percent
of Programmed Charger Voltage
DCIN Detection Threshold (V
Forward Regulation Voltage (V
Reverse Voltage Turn-Off Voltage (V
INFET “On” Clamping Voltage (V
INFET “Off” Clamping Voltage (V
Reference Voltage During Sample Time
High Threshold
Low Threshold
Thermistor Disable Current
C/10 Indicator Accuracy
LOBAT Threshold Accuracy
RESTART Threshold Accuracy
Low Logic Level of ACP/SHDN, CHG
High Logic Level of ACP/SHDN
Pull-Up Current on ACP/SHDN
C/10 Indicator Sink Current from CHG
Off State Leakage Current of CHG
Timer Defeat Threshold at CHG
CMP
and I
REV
DCIN
CSP
DCIN
DCIN
DCIN
– V
– V
– V
DCIN
CLN
BAT
– V
– V
CSP
CLN
)
)
INFET
INFET
– V
)
– V
CLN
)
)
BAT
)
) V
CONDITIONS
Measured at I
Measured at I
Measured at I
DCIN Voltage Ramping Up
from V
DCIN Voltage Ramping Down
I
I
V
V
V
Voltage Falling at PROG
LTC4006-6
LTC4006-2
LTC4006-4
LTC4006-6
LTC4006-2
LTC4006-4
I
I
V = 0V
V
V
INFET
INFET
OL
OH
ITH
NTC
NTC
NTC
OH
OH
The
= 100 A
= –1 A
= 3V
= 3V
= 2.5V
A
Rising
Falling
= – 25 A
= 1 A
CLN
= 25 C. V
10V
denotes specifications which apply over the full operating
– 0.1V
TH
TH
TH
, V
, V
, V
DCIN
ITH
ITH
ITH
= 1.4V
= 1.4V
= 1.4V
= 20V, V
BAT
= 12V unless otherwise noted.
NTCVR
NTCVR
• 0.115
• 0.48
0.375
11.35
15.15
4.70
7.27
9.70
MIN
– 60
140
102
7.5
2.7
93
15
–1
0
5
1
NTCVR
NTCVR
• 0.125
0.400
0.17
• 0.5
4.93
11.7
15.6
TYP
– 30
– 40
– 25
–10
165
100
100
107
1.5
5.8
4.5
7.5
7.7
40
36
25
10
25
1
1
LTC4006
NTCVR
NTCVR
• 0.135
• 0.52
0.425
10.28
11.94
15.92
MAX
0.25
0.25
5.14
7.71
7.96
200
107
110
6.5
0.5
50
10
38
1
sn4006 4006is
UNITS
mmho
mmho
mmho
3
mV
mV
mV
mV
mV
nA
%
A
A
A
V
V
V
V
V
V
A
V
V
V
V
V
V
V
V
V
A
A
A
V