LTC4011CFE Linear Technology, LTC4011CFE Datasheet - Page 3

• Manufacturer Part Number: LTC4011CFE
• Description: IC BATT CHARGER HIEFF 20TSSOP
• Manufacturer: Linear Technology

Specifications of LTC4011CFE

• Function: Charge Management
• Battery Type: Nickel Cadmium (NiCd), Nickel Metal-Hydride (NiMH)
• Voltage - Supply: 4.5 V ~ 34 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

elecTrical characTerisTics
temperature range, otherwise specifications are at T
SYMBOL
Thermistor Termination
V
I
PWM Current Source
V
V
V
∆V
I
I
I
f
f
DC
V
V
t
t
V
V
t
t
ADC Inputs
I
Charger Thresholds
V
V
V
V
∆V
V
∆T
T
T
RT
BAT
SENSE
OFF
TYP
MIN
R(TG)
F(TG)
R(BG)
F(BG)
LEAK
AR
MIN
MAXI
RT
FS
PC
TC
OL(TG)
OH(TG)
OL(BG)
OH(BG)
BP
BOV
MFC
FCBF
TERM
LI
MAX
TERM
PARAMETER
Output Voltage
Short-Circuit Current
BAT – SENSE Full-Scale Regulation
Voltage (Fast Charge)
BAT – SENSE Precharge Regulation Voltage 0.3V < BAT < V
BAT – SENSE Top-Off Charge
Regulation Voltage
BAT – SENSE Line Regulation
BAT Input Bias Current
SENSE Input Bias Current
Input Bias Current
Typical Switching Frequency
Minimum Switching Frequency
Maximum Duty Cycle
TGATE Output Voltage Low
(V
TGATE Output Voltage High
TGATE Rise Time
TGATE Fall Time
BGATE Output Voltage Low
BGATE Output Voltage High
BGATE Rise Time
BGATE Fall Time
Analog Channel Leakage
Battery Present Threshold Voltage
Battery Overvoltage
Minimum Fast Charge Voltage
Fast Charge Battery Fault Voltage
–∆V Termination
Automatic Recharge Voltage
∆T Termination (Note 8)
Minimum Charging Temperature (Note 8)
Maximum Charge Initiation
Temperature (Note 8)
CC
– TGATE, Note 7)
CONDITIONS
R
V
0.3V < BAT < V
BAT = 4.8V
BAT = 4.8V
0.3V < BAT < V
BAT = 4.8V
5.5V < V
0.3V < BAT < V
SENSE = BAT
SENSE or BAT, V
V
V
V
C
C
No Load
No Load
C
C
0V < V
CHEM OPEN (NiCd)
CHEM = 0V (NiMH)
V
CHEM = 3.3V (NiCd)
CHEM = 0V (NiMH)
V
V
A
RT
CC
CC
CC
LOAD
LOAD
LOAD
LOAD
CELL
TEMP
TEMP
L
= 25°C. V
= 10k
= 0V
> 9V, No Load
< 7V, No Load
– TGATE, No Load
Decreasing
CELL
= 3nF, 10% to 90%
= 3nF, 10% to 90%
= 1.6nF, 10% to 90%
= 1.6nF, 10% to 90%
Increasing
Decreasing, Not Charging
The
CC
< 25V, Fast Charge
< 2V, 550mV < V
l
CC
CC
CC
CC
CC
indicates specifications which apply over the full operating
= 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
CELL
– 0.3V (Note 5)
– 0.3V (Note 5)
– 0.3V (Note 5)
– 0.1V
= 0V
TEMP
< 2V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
INTV
V
CC
3.075
1.815
1.260
DD
MIN
1.17
41.5
460
320
850
6.5
6.5
1.3
0.5
–9
95
95
16
16
–2
–1
20
98
16
– 0.5
3
5
6
0
– 0.075
INTV
1.325
±100
±0.3
1.95
1.22
TYP
100
100
550
V
350
900
3.3
5.6
20
20
10
10
50
30
99
35
45
35
15
20
10
45
0
0
0
2
1
5
CC
DD
LTC4011
3.525
2.085
1.390
MAX
13.5
13.5
8.75
1.27
105
105
150
640
100
100
370
950
3.6
2.7
1.5
–1
24
24
50
50
80
80
25
14
47
2
1
9
°C/min
°C/min
UNITS
4011fb

kHz
kHz
mA
mV
mV
mV
mV
mV
mV
mV
mA
mV
mV
mV
mV
mV
mV
µA
µA
nA
ns
ns
ns
ns
°C
°C
%
V
V
V
V
V
V
V
V