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LTC2921IGN Datasheet(PDF) 7 Page - Linear Technology

Part # LTC2921IGN
Description  Power Supply Tracker with Input Monitors
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC2921IGN Datasheet(HTML) 7 Page - Linear Technology

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LTC2921/LTC2922 Series
7
29212fa
Figure 1. LTC2921 and LTC2922 Functional Diagram
2921/22 F01
LATCH
OVERVOLTAGE
MONITOR
OVERVOLTAGE
MONITOR
OVERVOLTAGE
MONITOR
OVERVOLTAGE
MONITOR
OVERVOLTAGE
MONITOR
CONTROL
LOGIC
VPUMP
VPUMP
VPUMP
GATE
ON
TIMER
DONE
PULSE
TIMER
DONE
CIRCUIT
BREAKER
RESET PULSE
TIMER ENABLE
TIMER
ENABLE
GATE
ENABLE
REMOTE
SENSE
SWITCH
ENABLE
PG
ENABLE
4
µA
2
µA
10
µA
VCC
VCC
PG
GATE
TIMER
+ –
50mV
0.5V
0.7V
SENSE
VCC
V1
V2
V3
V4
(LTC2922 ONLY)
D4
S4
(LTC2922 ONLY)
D3
D2
D1
(LTC2922 ONLY)
D0
S0
(LTC2922 ONLY)
S1
S2
S3
1.2V
OVERCURRENT
UNDERVOLTAGE
SWITCHES ON
VSWON
VSWON
VSWON
REMOTE
SENSE
SWITCH
GATE
REFERENCE
GENERATOR
AND
CHARGE
PUMP
+
–
VPUMP ≈ 11.1V
AT VCC =5V
1.2V
0.7V
0.5V
GND
APPROXIMATELY 1V
FUNCTIONAL DIAGRA



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