Datasheet

LTC4100
2
4100fc
For more information www.linear.com/LTC4100
pin conFiguraTionabsoluTe MaxiMuM raTings
Voltage from V
DD
to GND ................................. 7V/–0.3V
Voltage from CHGEN, DCDIV, SDA,
SCL and SMBALERT to GND ............................ 7V/–0.3V
Voltage from DCIN, CLP, CLN to GND ............ 32V/–0.3V
Voltage from CLP to CLN .......................................±0.3V
PGND wrt. GND .................................................... ±0.3V
CSP, BAT to GND ............................................... 28V/–5V
Operating Ambient Temperature Range (Note 4)
–40°C to 85°C
Junction Temperature Range ................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ................... 300°C
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
G PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
TGATE
PGND
BGATE
INFET
DCIN
CHGEN
SMBALERT
SDA
SCL
ACP
DCDIV
GND
CLP
CLN
BAT
CSP
I
DC
I
TH
V
SET
V
DD
THA
THB
V
LIM
I
LIM
T
JMAX
= 125°C, θ
JA
= 90°C/W
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4100EG#PBF LTC4100EG#TRPBF LTC4100EG 24-Lead Plastic SSOP –40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4100EG LTC4100EG#TR LTC4100EG 24-Lead Plastic SSOP –40°C to 85°C
Consult LT C Marketing for parts specified with wider operating temperature ranges.
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/
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DCIN Operating Range
●
6 28 V
I
DCIN
DCIN Operating Current Charging, Sum of Currents on DCIN,
CLP and CLN
3 5 mA
V
TOL
Charge Voltage Accuracy (Note 2)
●
–0.8
–1
0.8
1
%
%
I
TOL
Charge Current Accuracy (Note 3) V
CSP
– V
BAT
Target = 102.3mV
I
DAC
= 0xFFFF ●
–4
–5
4
5
%
%
V
DD
V
DD
Operating Voltage 0V ≤ V
DCIN
≤ 28V
●
3 5.5 V
Shutdown
Battery Leakage Current DCIN = 0V, V
CLP
= V
CLN
= V
CSP
= V
BAT
●
15 35 µA
UVLO Undervoltage Lockout Threshold DCIN Rising, V
BAT
= 0V
●
4.2 4.7 5.5 V
V
DD
Power-Fail Part Held in Reset Until this V
DD
Present
●
3 V
DCIN Current in Shutdown V
CHGEN
= 0V 2 3 mA
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
DCIN
= 20V, V
DD
= 3.3V, V
BAT
= 12V unless otherwise noted. (Note 4)