User manual

LTC4100
2
4100fb
PIN CONFIGURATION ABSOLUTE 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
CLP
CLN
BAT
CSP
I
DC
I
TH
V
SET
V
DD
THA
THB
V
LIM
I
LIM
TGATE
PGND
BGATE
INFET
DCIN
CHGEN
SMBALERT
SDA
SCL
ACP
DCDIV
GND
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 LTC Marketing for parts specifi ed 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 specifi cations, go to:
http://www.linear.com/tapeandreel/
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
DCIN Operating Range
●
628V
I
DCIN
DCIN Operating Current Charging, Sum of Currents on DCIN,
CLP and CLN
35 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
●
3V
DCIN Current in Shutdown V
CHGEN
= 0V 2 3 mA
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
DCIN
= 20V, V
DD
= 3.3V, V
BAT
= 12V unless otherwise noted. (Note 4)