LTC4002ES8-8.4 Linear Technology, LTC4002ES8-8.4 Datasheet - Page 4

• Manufacturer Part Number: LTC4002ES8-8.4
• Description: IC BATT CHARGER SW LI-ION 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC4002ES8-8.4

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 8.9 V ~ 22 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4002
operating temperature range, otherwise specifications are at T
SYMBOL
V
V
∆V
I
Oscillator
f
DC
Gate Drive
t
t
∆V
∆V
∆V
Note 1: Absolute Maximum Rating are those values beyond which the life
of a device may be impaired.
Note 2: The LTC4002 is tested with Test Circuit 1.
Note 3: The LTC4002 is tested with Test Circuit 2.
TYPICAL PERFOR A CE CHARACTERISTICS
4
ELECTRICAL CHARACTERISTICS
LEAK
OSC
r
f
NTC-HOT
NTC-COLD
RECHRG
GATE
GATEHI
GATELO
4.0
3.0
2.5
3.5
–50
Supply Current vs Temperature
–25
PARAMETER
NTC Pin Threshold Voltage (Hot)
NTC Pin Threshold Voltage (Cold)
Recharge Battery Voltage Offset from Full
Charged Battery Voltage
CHRG Pin Leakage Current
Switching Frequency
Maximum Duty Cycle
Rise Time
Fall Time
Output Clamp Voltage
Output High Voltage
Output Low Voltage
0
TEMPERATURE (°C)
25
50
75
W
100
4002 G01
U
125
3
2
4
5
Supply Current vs V
CONDITIONS
V
Hysteresis
V
Hysteresis
V
V
C
C
V
∆V
∆V
CURRENT MODE
NTC
NTC
BAT(FULLCHARGED)
CHRG
GATE
GATE
CC
GATEHI
GATELO
– V
Falling
Rising
= 2000pF, 10% to 90%
= 2000pF, 90% to 10%
(LTC4002-8.4) The
= 8V, Charging Stops
GATE
10
= V
= V
A
CC
= 25°C. V
CC
– V
– V
V
CC
15
– V
GATE
Note 4: The LTC4002 is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the – 40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
GATE
(V)
CC
RECHRG
CC
= 12V unless otherwise noted.
20
●
, V
denotes the specifications which apply over the full
BAT
T
4002 G02
A
Falling
= 25°C, V
25
CC
550
500
450
●
●
●
●
●
= 10V unless otherwise noted.
– 50
Oscillator Frequency
vs Temperature
2.428
MIN
340
200
450
– 25
4.5
0
TEMPERATURE (°C)
2.465
TYP
355
170
300
500
20
50
25
25
50
2.502
MAX
370
400
550
100
0.3
1
8
75
100
UNITS
4002 G03
4002f
kHz
mV
mV
mV
mV
125
µA
ns
ns
%
V
V
V
V