LTC6101HV Linear Technology, LTC6101HV Datasheet - Page 15

• Manufacturer Part Number: LTC6101HV
• Description: High-Side Current Sense Amplifier
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
L
O
A
D
I
LOAD
LTC6101 Monitors Its Own Supply Current
DISCHARGING:
V
OUT
CHARGING:
= 49.9
4
2
LTC6101
•
R
SENSE
CHARGER
V
V
+
OUT D
OUT C
R
SENSE
–
(
Bidirectional Current Sense Circuit with Separate Charge/Discharge Output
I
LOAD
= I
= I
DISCHARGE
CHARGE
+ I
O
D
L
A
SUPPLY
R
•
4.99k
IN D
100
R
3
5
1
R2
SENSE
•
U
)
R
R1
100
SENSE
4
2
(
R
R
LTC6101
OUT C
(
IN C
+
–
R
R
OUT D
I
V
IN D
SUPPLY
OUT
)
6101 TA03
+
WHEN I
)
WHEN I
–
I
DISCHARGE
CHARGE
V
BATT
DISCHARGE
R
≥ 0
OUT D
4.99k
3
5
1
R
100
≥ 0
IN D
+
–
V
OUT D
R
SENSE
V
OUT C
High-Side-Input Transimpedance Amplifier
+
–
R
IN C
100
R
4.99k
V
OUT C
S
4
2
LTC6101/LTC6101HV
1
3
5
4.75k
CMPZ4697*
(10V)
V
*V
V
LTC6101
O
Z
Z
+ 4 ≤ V
= I
I
SETS PHOTODIODE BIAS
CHARGE
PD
+
•
S
– +
R
L
≤ V
–
LTC6101
Z
LASER MONITOR
+ 60
PHOTODIODE
3
5
1
4
2
4.75k
R
100
IN C
R
L
6101 TA02
V
6101 TA04
10k
O
i
V
PD
BATT
15
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