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LT8610AC 数据表(PDF) 4 Page - Linear Technology

部件名 LT8610AC
功能描述  42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller
PDF  38 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT8610AC 数据表(HTML) 4 Page - Linear Technology

  LT8610AC Datasheet HTML 1Page - Linear Technology LT8610AC Datasheet HTML 2Page - Linear Technology LT8610AC Datasheet HTML 3Page - Linear Technology LT8610AC Datasheet HTML 4Page - Linear Technology LT8610AC Datasheet HTML 5Page - Linear Technology LT8610AC Datasheet HTML 6Page - Linear Technology LT8610AC Datasheet HTML 7Page - Linear Technology LT8610AC Datasheet HTML 8Page - Linear Technology LT8610AC Datasheet HTML 9Page - Linear Technology Next Button
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LT8603
4
8603f
For more information www.linear.com/LT8603
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Channel 2
Feedback Voltage FB2
l
0.985
1
1.015
V
Input Current FB2
l
–100
100
nA
FB2 Line Regulation
VIN = 3V to 42V
0.002
0.01
%/V
SW2 Peak Current Limit (Note 3)
3.2
4.0
5.3
A
SW2 Leakage Current
0.1
1
μA
SW2 Top On-Resistance
ISW2 = 1A
150
mΩ
SW2 Bottom On-Resistance
ISW2 = 1A
100
mΩ
Lower FB2 Power Good Threshold
Percentage of VFB2, VFB2 Falling
l
89
92
95
%
Upper FB2 Power Good Threshold
Percentage of VFB2, VFB2 Rising
l
104
107
110
%
Power Good Threshold Hysteresis
0.8
%
PG2 Output Voltage Low
IPG2 = 350μA
l
0.13
0.3
V
PG2 Leakage Current
PG2 = 5V, FB2 = 1V
l
6
μA
TRKSS2 Pull-Up Current
TRKSS2 = 0.2V
1.5
2.4
3.1
μA
Channel 3
PVIN3 Operating Voltage
PVIN3 Falling
l
2.6
5.5
V
PVIN3 Undervoltage Lockout
PVIN3 Falling
l
2.35
2.6
V
Feedback Voltage FB3
l
788
800
812
mV
FB3 Line Regulation
VIN = 3V to 42V
0.002
0.01
%/V
Input Current FB3
l
–100
100
nA
SW3 Leakage Current
0.1
1
μA
SW3 Peak Current Limit (Note 3)
2.6
3.2
3.8
A
SW3 PMOS On-Resistance
ISW3 = 1A
150
mΩ
SW3 NMOS On-Resistance
ISW3 = 1A
100
mΩ
Lower FB3 Power Good Threshold
Percentage of VFB3, VFB3 Falling
l
89
92
95
%
Upper FB3 Power Good Threshold
Percentage of VFB3, VFB3 Rising
l
104
107
110
%
Power Good Threshold Hysteresis
0.2
%
PG3 Output Voltage Low
IPG3 = 350μA
l
0.13
0.3
V
PG3 Leakage Current
PG3 = 5V, FB3 = 0.8V
l
6
μA
RUN3 Threshold Voltage
l
1.15
1.20
1.25
V
RUN3 Input Current
–100
100
nA
Soft-Start Time
0.7
1
1.3
ms
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, EN/UVLO = 3V unless otherwise noted. (Note 2)



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