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LTC4007 Datasheet(PDF) 5 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) 5 Page - Linear Technology

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background image
LTC1760
5
1760fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCOFF
CH Gate Off Voltage
GCH1
GCH2
ILOAD =10μA
VGCH1 – VSCH1
VGCH2 – VSCH2
–0.8
–0.8
–0.4
–0.4
0
0
V
V
VTOC
CH Switch Reverse Turn-Off Voltage
VBATX – VCSN, 5V ≤ VBATX ≤ 28V
C-Grade (Note 6)
I-Grade (Note 6)
l
l
5
2
20
20
40
40
mV
mV
VFC
CH Switch Forward Regulation Voltage
VCSN – VBATX, 5V ≤ VBATX ≤ 28V
l
15
35
60
mV
IOC(SRC)
IOC(SNK)
GCH1/GCH2 Active Regulation:
Max Source Current
Max Sink Current
VGCHX – VSCHX = 1.5V
–2
2
μA
μA
VCHMIN
BATX Voltage Below Which
Charging is Inhibited
(Note 14)
3.5
4.7
V
PowerPath Switches
tDLY
Blanking Period after UVLO Trip
Switches Held Off
250
ms
tPPB
Blanking Period after LOPWR Trip
Switches in 3-Diode Mode
1
sec
tONPO
GB1O/GB2O/GDCO Turn-On Time
VGS < –3V, from Time of Battery/DC
Removal, or LOPWR Indication, CLOAD = 3000pF
l
510
μs
tOFFPO
GB1O/GB2O/GDCO Turn-Off Time
VGS > –1V, from Time of Battery/DC
Removal, or LOPWR Indication, CLOAD = 3000pF
l
37
μs
VPONO
Output Gate Clamp Voltage
GB1O
GB2O
GDCO
ILOAD = 1μA
Highest (VBAT1 or VSCP) – VGB1O
Highest (VBAT2 or VSCP) – VGB2O
Highest (VDCIN or VSCP) – VGDCO
4.75
4.75
4.75
6.25
6.25
6.25
7
7
7
V
V
V
VPOFFO
Output Gate Off Voltage
GB1O
GB2O
GDCO
ILOAD = –25μA
Highest (VBAT1 or VSCP) – VGB1O
Highest (VBAT2 or VSCP) – VGB2O
Highest (VDCIN or VSCP) – VGDCO
0.18
0.18
0.18
0.25
0.25
0.25
V
V
V
VTOP
PowerPath Switch Reverse
Turn-Off Voltage
VSCP – VBATX or VSCP – VDCIN
6V ≤ VSCP ≤ 28V
C-Grade (Note 6)
I-Grade (Note 6)
l
l
5
2
20
20
60
60
mV
mV
VFP
PowerPath Switch Forward
Regulation Voltage
VBATX – VSCP or VDCIN – VSCP
6V ≤ VSCP ≤ 28V
l
025
50
mV
IOP(SRC)
IOP(SNK)
GDCI/GB1I/GB2I Active Regulation:
Source Current
Sink Current
(Note 3)
–4
75
μA
μA
tONPI
Gate B1I/B2I/DCI Turn-On Time
VGS < –3V, CLOAD = 3000pF (Note 4)
300
μs
tOFFPI
Gate B1I/B2I/DCI Turn-Off Time
VGS > –1V, CLOAD = 3000pF (Note 4)
10
μs
VPONI
Input Gate Clamp Voltage
GB1I
GB2I
GDCI
ILOAD = 1μA
Highest (VBAT1 or VSCP) – VGB1I
Highest (VBAT2 or VSCP) – VGB2I
Highest (VDCIN or VSCP) – VGDCI
4.75
4.75
4.75
6.7
6.7
6.7
7.5
7.5
7.5
V
V
V
VPOFFI
Input Gate Off Voltage
GB1I
GB2I
GDCI
ILOAD = –25μA
Highest (VBAT1 or VSCP) – VGB1I
Highest (VBAT2 or VSCP) – VGB2I
Highest (VDCIN or VSCP) – VGDCI
0.18
0.18
0.18
0.25
0.25
0.25
V
V
V
ELECTRICAL CHARACTERISTICS 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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