LTC4008 Linear Technology, LTC4008 Datasheet - Page 2

• Manufacturer Part Number: LTC4008
• Description: Multi-Chemistry Battery Charger
• Manufacturer: Linear Technology

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PACKAGE/ORDER
ABSOLUTE
ELECTRICAL CHARACTERISTICS
LTC4008
Voltage from DCIN, CLP, CLN to GND ....... +32V/–0.3 V
PGND with Respect to GND .................................. ±0.3V
CSP, BAT to GND ........................................ +28V/–0.3V
V
NTC ............................................................. +10V/–0.3V
ACP/SHDN, FLAG, FAULT, I
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range (Note 4), otherwise specifications are at T
SYMBOL
I
V
I
Shutdown
UVLO
2
Q
TOL
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking:
TOL
FB
, R
ACP/SHDN
T
FAULT
PROG
DCIN
GND
NTC
to GND ............................................. +7V/–0.3V
V
20-LEAD NARROW PLASTIC SSOP
I
I
R
CL
TH
FB
T
PARAMETER
DCIN Operating Range
Operating Current
Voltage Accuracy
BATMON Error (Note 5)
Charge Current Accuracy (Note 3)
Battery Leakage Current
Undervoltage Lockout Threshold
Shutdown Threshold at ACP/SHDN
Operating Current in Shutdown
T
JMAX
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
GN PACKAGE
TOP VIEW
W
MAXIMUM
JA
= 90°C/W
20
19
18
17
16
15
14
13
12
11
INFET
BGATE
PGND
TGATE
CLP
CLN
FLAG
BATMON
BAT
CSP
W W
CL
INFORMATION
.................... +32V/–0.3V
U
RATINGS
W
ORDER PART
LTC4008EGN
NUMBER
U
CONDITIONS
Charging Sum of Current from CLP, CLN, DCIN
(Notes 2, 5)
Measured from BAT to BATMON,
V
DCIN = 0V (LTC4008 Only)
ACP/SHDN = 0V
DCIN Rising, V
V
CLN, DCIN
R
CSP
SHDN
LOAD
– V
= 0V, Sum of Current from CLP,
The
= 100k
U
BAT
A
(Note 1)
= 25°C. V
●
Target = 100mV
denotes specifications which apply over the full operating
BAT
= 0V
CLP to CLN ........................................................... +0.5V
Operating Ambient Temperature Range
Operating Junction Temperature ...........–40°C to 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
DCIN
(Note 4) ...............................................–40°C to 85°C
FAULT
SHDN
PROG
http://www.linear.com/leadfree/
DCIN
GND
NTC
V
= 20V, V
20-LEAD NARROW PLASTIC SSOP
I
I
R
CL
TH
FB
T
T
JMAX
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
GN PACKAGE
TOP VIEW
BAT
= 12V unless otherwise noted.
JA
= 90°C/W
20
19
18
17
16
15
14
13
12
11
●
●
●
●
●
●
NC
BGATE
PGND
TGATE
CLP
CLN
FLAG
BATMON
BAT
CSP
–0.8
–1.0
MIN
–10
4.2
– 4
– 5
6
0
1
THE LTC4008EGN-1
Does Not Have the
Input FET Function
TYP
4.7
1.6
35
20
3
2
LTC4008EGN-1
ORDER PART
NUMBER
MAX
0.8
1.0
5.5
2.5
28
80
35
10
5
4
5
3
UNITS
4008fa
mA
mV
mA
µA
µA
%
%
%
%
V
V
V