LTC4006 Datasheet, PDF (2/16 Pages) Linear Technology – 4A, High Efficiency, Standalone Li-Ion Battery Charger

LTC4006
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Voltage from DCIN, CLP, CLN, TGATE, INFET,
ACP/SHDN, CHG to GND ........................... + 32V/– 0.3V
CSP, BAT to GND ....................................... +28V/– 0.3V
R_T to GND ..................................................... +7V/– 0.3V
NTC ............................................................ +10V/– 0.3V
Operating Ambient Temperature Range
(Note 4) ............................................. – 40°C to 85°C
Operating Junction Temperature ......... – 40°C to 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
DCIN 1
CHG 2
ACP/SHDN 3
R_T 4
GND 5
TOP VIEW
16 INFET
15 BGATE
14 PGND
13 TGATE
12 CLN
ORDER PART
NUMBER
LTC4006EGN-2
LTC4006EGN-4
LTC4006EGN-6
NTC 6
I_TH 7
I_MON 8
11 CLP
10 BAT
9 CSP
GN PACKAGE
16-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 110°C/W
GN PART MARKING
40062
40064
40066
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating
temperature range (Note 4), otherwise specifications are at T_A = 25°C. V_DCIN = 20V, V_BAT = 12V unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
DCIN Operating Range
6
28
V
I_DCIN
DCIN Operating Current
V_TOL
Voltage Accuracy
Sum of Current from CLP, CLN, DCIN
(Note 2)
LTC4006-6
LTC4006-6
LTC4006-2
LTC4006-2
LTC4006-4
LTC4006-4
3
5
mA
8.333 8.4 8.467
V
q 8.316 8.4 8.484
V
12.499 12.6 12.700
V
q 12.474 12.6 12.726
V
16.665 16.8 16.935
V
q 16.632 16.8 16.968
V
I_TOL
Current Accuracy (Note 3)
T_TOL
Termination Timer Accuracy
Shutdown
V_CSP – V_BAT Target = 100mV
V_BAT = 11.5V (LTC4006-2)
V_BAT = 7.6V (LTC4006-6)
V_BAT = 12V (LTC4006-4)
V_BAT < 6V, V_CSP – V_BAT Target = 10mV
6V ≤ V_BAT ≤ V_LOBAT,
V_CSP – V_BAT Target = 10mV
R_RT = 270k
–4
q –5
– 60
– 40
q –15
4
%
5
%
60
%
40
%
15
%
Battery Leakage Current
UVLO
Undervoltage Lockout Threshold
Shutdown Threshold at ACP/SHDN
DCIN = 0V
DCIN = 0V
DCIN = 20V, V_SHDN = 0V
DCIN Rising, V_BAT = 0V
15
30
q
20
45
µA
q –10
0
10
µA
q 4.2
4.7
5.5
V
q1
2.5
V
DCIN Current in Shutdown
V_SHDN = 0V, Sum of Current from CLP,
CLN, DCIN
2
3
mA
Current Sense Amplifier, CA1
Input Bias Current Into BAT Pin
11.67
µA
CMSL
CMSH
CA1/I₁ Input Common Mode Low
CA1/I₁ Input Common Mode High
q0
q
V
V_CLN – 0.2
V
2
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