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LTC4007 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4007
Description  Dual Smart Battery System Manager Available in 48-Lead TSSOP Package
Download  48 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4007 Datasheet(HTML) 3 Page - Linear Technology

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LTC1760
3
1760fa
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply and Reference
DCIN Operating Range
DCIN Selected
6
28
V
ICH0
ICH1
DCIN Operating Current
Not Charging (DCIN Selected) (Note 10)
Charging (DCIN Selected) (Note 10)
1
1.3
1.5
2
mA
mA
IVCC2_AC1
IVCC2_AC0
VCC2 Operating Current
AC Present (Note 11)
AC Not Present (Note 11)
0.75
75
1
100
mA
μA
Battery Operating Voltage Range
Battery Selected, PowerPath Function
Battery Selected, Charging Function (Note 2)
6
0
28
28
V
V
IBAT
Battery Drain Current
Battery Selected, Not Charging, VDCIN = 0V (Note 10)
175
μA
VFDC
VFB1
VFB2
VFSCN
VPLUS Diodes Forward Voltage:
DCIN to VPLUS
BAT1 to VPLUS
BAT2 to VPLUS
SCN to VPLUS
IVCC = 10mA
IVCC = 0mA
IVCC = 0mA
IVCC = 0mA
0.8
0.7
0.7
0.7
V
V
V
V
UVLO
Undervoltage Lockout Threshold
VPLUS Ramping Down, Measured at VPLUS to GND
l
35
V
VVCC
VCC Regulator Output Voltage
l
4.9
5.2
5.5
V
VLDR
VCC Load Regulation
IVCC = 0mA to 10mA
l
0.2
1
%
Switching Regulator
VTOL
Voltage Accuracy
With Respect to Voltage Reported by Battery
VCHMIN < Requested Voltage < VLIMIT
l
–32
32
mV
ITOL
Current Accuracy
With Respect to Current Reported by Battery
4mV/RSENSE < Requested Current < ILIMIT (Min)
(Note 12)
RILIMIT = 0 (Short to GND)
RILIMIT = 10k ±1%
RILIMIT = 33k ±1%
RILIMIT = Open (or Short ILIMIT to VCC2)
l
l
l
l
–2
–4
–8
–8
2
4
8
8
mA
mA
mA
mA
f0SC
Regulator Switching Frequency
255
300
345
kHz
fDO
Regulator Switching Frequency in Low
Dropout Mode
Duty Cycle ≥99%
20
25
kHz
DCMAX
Regulator Maximum Duty Cycle
99
99.5
%
IMAX
Maximum Current Sense Threshold
VITH = 2.2V
140
155
190
mV
ISNS
CA1 Input Bias Current
VCSP = VCSN > 5V
150
μA
CMSL
CA1 Input Common Mode Low
0
V
CMSH
CA1 Input Common Mode High
VDCIN – 0.2
V
VCL1
CL1 Turn-On Threshold
C-Grade (Note 6)
I-Grade (Note 6)
l
l
95
94
90
100
100
100
105
108
108
mV
mV
mV
TG tr
TG tr
TGATE Transition Time:
TGATE Rise Time
TGATE Fall Time
CLOAD = 3300pF, 10% to 90%
CLOAD = 3300pF, 10% to 90%
50
50
90
90
ns
ns
BG tr
BG tf
BGATE Transition Time
BGATE Rise Time
BGATE Fall Time
CLOAD = 3300pF, 10% to 90%
CLOAD = 3300pF, 10% to 90%
50
40
90
80
ns
ns
The
l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C (Note 6). VDCIN = 20V, VBAT1 = 12V, VBAT2 = 12V, VVDDS = 3.3V,
VVCC2 = 5.2V unless otherwise noted.


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