LTC2960HDC-4-TRMPBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC2960HDC-4-TRMPBF' PDF : 16 Pages View PDF
LTC2960
TYPICAL APPLICATIONS
Li-Ion +
4.2V
Li-Ion +
4.2V
C1
0.1μF
25V
R2
6.04M
R1
402k
VBAT
6V TO 8.4V
VCC
RT OUT
LTC2960-1
BUCK CONVERTER
NOT ALL LT3991 COMPONENTS SHOWN
R5 VIN
VOUT
10M
LT3991
EN
GND
C2
47μF
16V
RESD*
10k
IN+ ADJ
MR RST
GND
2960 F09
R4
2.26M
R3
402k
VOUT
3.3V
R6
1M
RESET
UVLO FALLING THRESHOLD = 6.410V
RESET FALLING THRESHOLD = 2.649V
*OPTIONAL RESISTOR FOR ADDED ESD PROTECTION
Figure 9. Configurable Regulator UVLO and Supervisor
Li-Ion
4.2V
Li-Ion
4.2V
VBAT
6V TO 8.4V
+
R2
C1
5.6M*
0.1μF
25V
+
R1
402k*
M2
Si4435
R8
10k
VCC
RT OUT
ADJ
LTC2960-2
IN– RST
MR
GND
M1
Si4435
1N5245 R7
15V
1M
VOUT
R6 R4
R5
100k 6.04M* 10M
R3
402k*
LOW BATTERY
IN– FALLING THRESHOLD = 5.974V
ADJ FALLING THRESHOLD = 6.410V
2960 F10
*VISHAY-DALE CRCW SERIES 0603 1 %
Figure 10. Battery Disconnect to Protect Against Deep Discharge
12V
VEHICLE BATTERY
IRLR2908
VCC GATE OUT
FB
LT4356
FLT
GND
VIN
4V TO 27V
R8
102k
C1
1μF
50V
BUCK CONVERTER
NOT ALL LT3991 COMPONENTS SHOWN
R2
825k
VIN
VOUT
R7
LT3991
1M
EN/SS
FB
GND
R4
1.78M
R3
1M
R7
4.99k
R1
80.6k
IN+ FALLING THRESHOLD = 4.49V
ADJ FALLING THRESHOLD = 2.816V
Figure 11. Automotive Supervisor
VCC DVCC
IN+ ADJ
LTC2960-3
OUT RST
MR
GND
R6
6.04M
VOUT
3.3V
C2
22μF
25V
UV
R5
1M
OV
2960 F11
2960f
13
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