LTC4011 Linear Technology, LTC4011 Datasheet - Page 2

• Manufacturer Part Number: LTC4011
• Description: High Efficiency Standalone Nickel Battery Charger
• Manufacturer: Linear Technology

www.DataSheet4U.com
DataSheet U .com
ELECTRICAL CHARACTERISTICS
ABSOLUTE
LTC4011
(Note 1)
V
DCIN to GND ............................................ –0.3V to 40V
FAULT, CHRG, V
or READY to GND .......................... –0.3V to V
SENSE to BAT ...................................................... ±0.3V
CHEM, V
PGND to GND ...................................................... ±0.3V
Operating Ambient Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Operating Junction Temperature (Note 3) ........... 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
temperature range, otherwise specifications are at T
SYMBOL
V
V
I
I
I
V
V
V
V
V
INTV
V
I
INTV
Thermistor Termination
V
I
PWM Current Source
V
V
2
SHDN
Q
CC
DD
RT
CC
CC
UVLO
UV(HYST)
SHDNI
SHDND
CE
DD
RT
FS
PC
CC
4
Supply
DD
DD(MIN)
(Input Supply) to GND ....................... –0.3V to 40V
Regulator
TEMP
or TIMER to GND .............. –0.3V to 3.5V
PARAMETER
Input Voltage Range
Shutdown Quiescent Current (Note 5)
Quiescent Current
Operating Current
Undervoltage Threshold Voltage
Undervoltage Hysteresis Voltage
Shutdown Threshold Voltage
Shutdown Threshold Voltage
Charge Enable Threshold Voltage
Output Voltage
Short-Circuit Current (Note 6)
Output Voltage
Output Voltage
Short-Circuit Current
BAT – SENSE Full-Scale Regulation
Voltage (Fast Charge)
BAT – SENSE Precharge Regulation
Voltage
CELL
W
MAXIMUM
, V
CDIV
W W
, BAT, TOC
RATINGS
U
A
CONDITIONS
V
Waiting to Charge (Pause)
Fast Charge State, No Gate Load
V
DCIN – V
DCIN – V
V
No Load
INTV
V
R
V
0.3V < BAT < V
BAT = 4.8V
0.3V < BAT < V
BAT = 4.8V
CC
= 25°C. V
CC
CC
CC
CC
RT
L
= 10k
= BAT = 4.8V
Increasing
– BAT, V
= 4.5V, I
= 0V
+ 0.3V
DD
The
= 0V
CC
CC
●
, DCIN Increasing
, DCIN Decreasing
CC
DD
CC
indicates specifications which apply over the full operating
CC
CC
= 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
Increasing
= –10mA
– 0.3V (Note 5)
– 0.3V (Note 5)
PACKAGE/ORDER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
EXPOSED PAD (PIN 21) IS GND. MUST BE SOLDERED TO
PCB TO OBTAIN SPECIFIED THERMAL RESISTANCE
TIMER
FAULT
V
CHRG
CHEM
V
V
DCIN
TEMP
GND
CELL
CDIV
V
RT
T
JMAX
20-LEAD PLASTIC TSSOP
10
1
2
3
4
5
6
7
8
9
= 125°C, θ
FE PACKAGE
TOP VIEW
21
JA
●
●
●
●
●
●
●
●
●
●
●
●
●
●
= 38°C/W
20
19
18
17
16
15
14
13
12
11
3.125
–100
3.95
3.85
3.05
MIN
–45
400
4.5
4.5
20
–9
95
95
16
16
INFET
READY
V
TGATE
PGND
BGATE
INTV
TOC
BAT
SENSE
CC
DD
INFORMATION
U
TYP
–25
170
510
–50
100
100
4.2
3.3
30
20
20
5
3
5
5
ORDER PART
LTC4011EFE
W
NUMBER
3.475
MAX
4.45
3.55
–15
600
–28
105
105
5.5
34
10
42
–1
24
24
5
9
UNITS
U
4011p
mA
mA
mV
mV
mV
mV
mA
mA
mV
mV
mV
mV
µA
V
V
V
V
V
V