Linear Technology Analog Devices LT8708-1 Datasheet page 6

LT8708-1
ELECTRICAL CHARACTERISTICS
junction temperature range, otherwise specifications are at T
PARAMETER
Current Regulation Loops (Refer to Block Diagram to Locate Amplifiers)
Regulation Voltages for IMON_INP and IMON_OP
Regulation Voltages for IMON_INN
Line Regulation for IMON_INP, IMON_INN and IMON_OP Error
Amp Reference Voltage
CSPIN Bias Current
CSNIN Bias Current
CSPIN, CSNIN Common Mode Operating Voltage Range
CSPIN, CSNIN Differential Mode Operating Voltage Range
IMON_INP Output Current
IMON_INN Output Current
IMON_INP and IMON_INN Max Output Current
IMON_INP Error Amp EA5 g
m
IMON_INP Error Amp EA5 Voltage Gain
IMON_INN Error Amp EA1 g
m
IMON_INN Error Amp EA1 Voltage Gain
CSPOUT Bias Current
CSNOUT Bias Current
CSPOUT, CSNOUT Common Mode Operating Voltage Range
CSPOUT, CSNOUT Differential Mode Operating Voltage Range
IMON_ON Output Current
IMON_ON Max Output Current
CSPOUT–CSNOUT Regulation Voltage
6
The denotes the specifications which apply over the specified operating
l
= 25°C. V =12V, SHDN = 3V, DIR = 3.3V unless otherwise noted. (Note 3).
A INCHIP
CONDITIONS
V = 1.2V
C
V = 1.2V
C
V = 12V to 80V
INCHIP
V = 12V
CSPIN
V = 1.5V
CSPIN
BOOST Capacitor Charge Control Block Not Active
V = 3.3V, V = V
SWEN CSPIN
V = 3.3V, V = V
SWEN CSPIN
V = 0V
SWEN
V – V = 50mV, V
CSPIN CSNIN
V – V = 50mV, V
CSPIN CSNIN
V – V = 5mV, V
CSPIN CSNIN
V – V = 5mV, V
CSPIN CSNIN
V – V = 50mV, V
CSNIN CSPIN
V – V = 50mV, V
CSNIN CSPIN
V – V = 5mV, V
CSNIN CSPIN
V – V = 5mV, V
CSNIN CSPIN
FBIN = 0V, FBOUT = 3.3V
FBIN = 0V, FBOUT = 3.3V
V = 12V
CSPOUT
V = 1.5V
CSPOUT
BOOST Capacitor Charge Control Block Not Active
V = 3.3V, V
SWEN CSPOUT
V = 3.3V, V
SWEN CSPOUT
V = 0V
SWEN
V – V = 50mV, V
CSNOUT CSPOUT
V – V = 50mV, V
CSNOUT CSPOUT
V – V = 5mV, V
CSNOUT CSPOUT
V – V = 5mV, V
CSNOUT CSPOUT
V – V = −5mV, V
CSNOUT CSPOUT
V – V = −5mV, V
CSNOUT CSPOUT
Regulate V to 1.2V
C
R = 17.4kΩ
IMON_OP
V = 12V
CSNOUT
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MIN
1.185 1.209 1.231
l
1.185
l
= 12V
CSNIN
= 1.5V
CSNIN
0
l
–100
l
= 5V 67
CSNIN
= 5V 64.5
l
CSNIN
= 5V 22.5
CSNIN
= 5V 20
l
CSNIN
= 5V 66
CSNIN
= 5V 65
l
CSNIN
= 5V 19
CSNIN
= 5V 18
l
CSNIN
120
l
= V = 12V
CSNOUT
= V = 1.5V
CSNOUT
0
l
–100
l
= 5V 67
CSNOUT
= 5V 65
l
CSNOUT
= 5V 22.5
CSNOUT
= 5V 20.5
l
CSNOUT
= 5V 12.5
CSNOUT
= 5V 10.5
CSNOUT l
120
l
ICP = 1.218V, ICN = 0V 43
l
ICP = 0V, ICN = 1.218V –55
l
ICP = ICN = 0.348V –6
l
TYP MAX UNITS
V
1.21 1.24 V
0.002 0.005 %/V
0.01 µA
0.01 µA
84 µA
4.25 µA
0.01 µA
80 V
100 mV
70 73 µA
70 75.5 µA
25 27.5 µA
25 30 µA
70 74 µA
70 75 µA
25 30.5 µA
25 32 µA
µA
190 µmho
130 V/V
190 µmho
130 V/V
0.01 µA
0.01 µA
83 µA
4.25 µA
0.01 µA
80 V
100 mV
70 73 µA
70 75 µA
25 27.5 µA
25 29 µA
15 17.5 µA
15 19.5 µA
µA
50 55 mV
–50 –44 mV
0 6 mV
Rev 0