LTC4007_15 Datasheet, PDF (2/24 Pages) Linear Technology – 4A, High Effi ciency, Standalone Li-Ion Battery Charger

LTC4007
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Voltage from DCIN, CLP, CLN to GND.......... +32V/–0.3V
PGND with Respect to GND .................................. ±0.3V
CSP, BAT to GND ......................................... +28V/–0.3V
CHEM, 3C4C, R_T to GND ................................ +7V/–0.3V
NTC ............................................................. +10V/–0.3V
ACP, SHDN, CHG, FLAG,
FAULT, LOBAT, I_CL ....................................... +32V/–0.3V
CLP to CLN ............................................................±0.5V
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
PIN CONFIGURATION
TOP VIEW
DCIN 1
CHG 2
ACP 3
R_T 4
FAULT 5
GND 6
3C4C 7
LOBAT 8
NTC 9
ITH 10
PROG 11
NC 12
24 SHDN
23 INFET
22 BGATE
21 PGND
20 TGATE
19 CLN
18 CLP
17 FLAG
16 CHEM
15 BAT
14 CSP
13 I_CL
GN PACKAGE
24-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 90°C/W
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LTC4007EGN#PBF
LTC4007EGN#TRPBF LTC4007EGN
24-Lead Plastic SSOP
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
–40°C to 85°C
ELECTRICAL CHARACTERISTICS The l denotes the 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
DCIN Operating Range
6
28
I_Q
Operating Current
V_TOL Charge Voltage Accuracy
Sum of Current from CLP, CLN , DCIN
3
5
Nominal Values: 12.3V, 12.6V, 16.4V, 16.8V
–0.8
0.8
(Note 2)
l –1.0
1.0
I_TOL
Charge Current Accuracy (Note 3)
V_CSP – V_BAT Target = 100mV
–4
4
l –5
5
V_BAT < 6V, V_CSP – V_BAT Target = 10mV
–60
60
6V ≤ V_BAT ≤ V_LOBAT, V_CSP – V_BAT
–35
35
Target = 10mV
T_TOL Termination Timer Accuracy
Shutdown
R_RT = 270k
l –15
15
Battery Leakage Current
DCIN = 0V
SHDN = 3V
l
15
35
l –10
10
UVLO
Undervoltage Lockout Threshold
Shutdown Threshold at SHDN
DCIN Rising, V_BAT = 0
l 4.2
4.7
5.5
l
1
1.6
2.5
SHDN Pin Current
–10
Operating Current in Shutdown
V_SHDN = 0V, Sum of Current from CLP,
CLN, DCIN
2
3
UNITS
V
mA
%
%
%
%
%
%
%
μA
μA
V
V
μA
mA
4007fc
2