ltc4007eufd-1-trpbf Linear Technology Corporation, ltc4007eufd-1-trpbf Datasheet - Page 3

• Manufacturer Part Number: ltc4007eufd-1-trpbf
• Description: 4a, High Efficiency, Standalone Li-ion Battery Charger
• Manufacturer: Linear Technology Corporation

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, CHG, FLAG, LOBAT, I
C10TOL
LBTOL
TMAX
TREV
CLP
CLP
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
FLAG (C/10) Accuracy
LOBAT Threshold Accuracy
RESTART Threshold Accuracy
I
CL
Threshold Accuracy
CMP
and I
REV
DCIN
CSP
DCIN
DCIN
DCIN
– V
– V
CL
– V
DCIN
, FAULT
BAT
CLN
– 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
3C4C = 0V, CHEM = 0V
3C4C = 0V, CHEM = Open
3C4C = Open, CHEM = 0V
3C4C = Open, CHEM = Open
3C4C = 0V, CHEM = 0V
3C4C = 0V, CHEM = Open
3C4C = Open, CHEM = 0V
3C4C = Open, CHEM = Open
INFET
INFET
ITH
NTC
NTC
NTC
The
= 2.5V
A
Rising
Falling
≤ 10V
= 1µA
= – 25µA
CLN
= 25°C. V
●
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
11.13
11.40
14.84
15.20
7.10
7.27
9.46
9.70
MIN
– 60
140
102
93
83
0
5
NTCVR
NTCVR
• 0.125
0.397
11.42
11.70
15.23
15.60
0.17
• 0.5
7.32
7.50
9.76
TYP
– 40
– 25
165
–30
100
100
107
1.4
5.8
4.5
40
36
25
10
93
1
1
LTC4007
NTCVR
NTCVR
• 0.135
• 0.52
0.420
10.10
10.28
11.65
11.94
15.54
15.92
MAX
0.25
0.25
200
107
110
1O5
6.5
7.52
7.71
50
10
UNITS
mmho
mmho
mmho
4007fa
3
mV
mV
mV
mV
mV
mV
µA
µA
nA
µA
µA
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V