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LTC2926IGN 数据表(PDF) 3 Page - Linear Technology

部件名 LTC2926IGN
功能描述  MOSFET-Controlled Power Supply Tracker
PDF  28 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC2926IGN 数据表(HTML) 3 Page - Linear Technology

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LTC2926
3
2926fa
The
● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
Input Supply Voltage
Operating Range
●
2.9
3.3
5.5
V
ICC
Input Supply Current
ITRACKn = 0mA, IFBn = 0mA,
IRAMPBUF = 0mA
●
1.5
2.5
3.5
mA
ITRACKn = –1mA, IFBn = –1mA,
IRAMPBUF = –3mA
●
8.5
9.5
10.5
mA
VCC(UVLO)
Input Supply Undervoltage Lockout
VCC Rising
●
2.2
2.4
2.6
V
ΔVCC(UVLO)
Input Supply Undervoltage Lockout
Hysteresis
●
15
50
75
mV
Control and I/O
VON(TH)
ON Pin Threshold Voltage
VON Rising
●
1.20
1.23
1.26
V
ΔVON(TH)
ON Pin Threshold Voltage Hysteresis
●
40
75
110
mV
ION
ON Pin Input Current
VON = 1.2V, VCC = 5.5V
●
0
±100
nA
VON(CLR)
ON Pin Fault Clear Threshold Voltage
VON Falling
●
0.465
0.500
0.535
V
tCLR
Fault Clear Delay
VON Falling
●
1
3
10
µs
VON(ARM)
ON Pin Fault Arm Threshold Voltage
VON Rising
●
0.565
0.600
0.635
V
tARM
Fault Arm Delay
VON Rising
●
1
4.5
10
µs
VFAULT(TH)
FAULT Pin Input Threshold Voltage
VFAULT Falling
●
0.465
0.500
0.535
V
IFAULT(UP)
FAULT Pin Pull-up Current
Fault Latch Clear, VFAULT = 1.5V
●
–3.0
–8.5
–13
µA
VFAULT(OL)
FAULT Pin Output Low Voltage
Fault Latch Set, IFAULT = 5mA, VCC = 2.7V
●
100
400
mV
VFAULT(OH)
FAULT Pin Output High Voltage
(VCC – VFAULT)
Fault Latch Clear, IFAULT = –1µA
●
300
550
900
mV
VPGI(TH)
STATUS/PGI Pin Input Threshold
Voltage
VSTATUS/PGI Rising
●
1.10
1.23
1.36
V
ΔVPGI(TH)
STATUS/PGI Pin Input Threshold
Voltage Hysteresis
●
30
75
150
mV
IPGI(UP)
STATUS/PGI Pin Pull-Up Current
STATUS/PGI On, VSTATUS/PGI = 1.5V
●
–7
–10
–13
µA
VSTATUS(OL)
STATUS/PGI Pin Output Low Voltage
VON Low, ISTATUS/PGI = 5mA, VCC = 2.7V
●
200
400
mV
VSTATUS(OH)
STATUS/PGI Pin Output High Voltage
(VSTATUS/PGI – VCC)
ISTATUS/PGI = –1µA
●
5.0
5.5
6.0
V
VPGTMR(TH)
PGTMR Pin Threshold Voltage
VPGTMR Rising
●
1.10
1.23
1.36
V
IPGTMR(UP)
PGTMR Pin Pull-Up Current
ON High, VPGTMR = 1V
●
–8
–10
–12
µA
IPGTMR(DN)
PGTMR Pin Pull-Down Current
ON Low, VPGTMR = 0.1V, VCC = 2.7V
●
0.5
4
10
mA
VPGTMR(CLR)
PGTMR Pin Clear Threshold Voltage
VPGTMR Falling
●
50
100
150
mV
Ramp Buffer
IRAMP(IN)
RAMP Pin Input Current
0V < VRAMP < 5.5V, VCC = 5.5V
●
0±1
µA
VRAMPBUF(OS)
Ramp Buffer Offset Voltage
VRAMP = 1/2 VCC, IRAMPBUF = 0mA
●
0
±10
mV
VRAMPBUF(OL)
RAMPBUF Pin Output Low Voltage
IRAMPBUF = 3mA
●
32
60
mV
ELECTRICAL CHARACTERISTICS



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