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LTC4013 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4013
Description  60V Synchronous Buck Multi-Chemistry Battery Charger
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4013 Datasheet(HTML) 3 Page - Linear Technology

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LTC4013
3
4013fa
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range (DCIN, VIN)
l
4.5
60
V
Battery Voltage Range (BAT)
l
2.4
60
V
ENAB Pin Threshold (Rising)
Threshold Hysteresis
l
1.175
1.220
170
1.275
V
mV
ENAB Pin Bias Current
10
nA
VIN UVLO
VIN Rising, Power Enabled
VIN Rising, Power Disabled
3.45
3.08
V
V
DCIN Pin
Operating Current
Shutdown Current
Not Switching
ENAB = 0V
l
480
4
625
7.9
µA
µA
VIN Pin
Operating Current
Shutdown Current
Not Switching (Notes 3 and 4)
ENAB = 0V, RT = 40.2k
l
2.1
32
2.8
80
mA
µA
BAT Pin
Operating Current
Shutdown Current
Not Switching
ENAB = 0V
l
6.2
0.5
9.3
1.5
µA
µA
SENSE Pin
Operating Current
Shutdown Current
Not Switching
ENAB = 0V
l
5.3
0.4
8.1
2.5
µA
µA
SW Pin Current in Shutdown
ENAB = 0V, SW = 60V, BST = 66V
0.25
µA
STAT0, STAT1 Enabled Voltage
STAT0, STAT1 Pin Current =1mA
STAT0, STAT1 Pin Current = 5mA
0.14
0.77
0.2
1.0
V
V
STAT0, STAT1 Leakage Current
STAT0, STAT1 Pin Voltage = 60V
l
1
µA
FB Regulation Voltage (See Tables 2-5)
Battery Float Voltage VFB(FL)
MODE1 = L, H MODE2 = L, H
l
2.256
2.244
2.267
2.267
2.278
2.291
V
V
MODE1 = M, MODE2 = L, H
l
2.189
2.178
2.200
2.200
2.211
2.223
V
V
MODE1 = L, MODE2 = M
l
2.320
2.309
2.332
2.332
2.344
2.356
V
V
Battery Absorption Voltage VFB(ABS)
MODE1 = H, MODE2 = L, H
MODE1 = L, MODE2 = H
l
2.355
2.343
2.367
2.367
2.380
2.392
V
V
MODE1 = M, MODE2 = L, H
l
2.388
2.376
2.400
2.400
2.412
2.425
V
V
Battery Equalization Voltage VFB(EQ)
MODE1 = L, H, MODE2 = H, TMR = Cap
l
2.487
2.475
2.500
2.500
2.513
2.526
V
V
MODE1 = M, MODE2 = H, TMR = Cap
l
2.587
2.574
2.600
2.600
2.613
2.627
V
V
Battery Charge Voltage VFB(CHG)
MODE1 = H, MODE2 = M
l
2.355
2.343
2.367
2.367
2.38
2.392
V
V
MODE1 = M, MODE2 = M
l
2.388
2.376
2.400
2.400
2.412
2.425
V
V
Battery Recharge Voltage VFB(RECHG)
MODE1 = M, H MODE2 = M
l
2.284
2.272
2.295
2.295
2.306
2.319
V
V
NTC Amplifier Gain
∆VFB(FL)/∆VNTC
0.21
V/V
NTC Amplifier Offset
∆VFB(FL) with VNTC = INTVCC/2
–15
0
15
mV
FB Pin Current
VFB = 3V
10
nA
LB Pin Current
VLB = 2V
19.6
20
20.4
μA
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 2). DCIN, VIN, VIN_S = 18V, ENAB = 1.4V, SYNC = 0V
unless otherwise noted.



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