LTC2909CTS8-3.3#TRPBF Linear Technology, LTC2909CTS8-3.3#TRPBF Datasheet - Page 16

• Manufacturer Part Number: LTC2909CTS8-3.3#TRPBF
• Description: IC MONITOR PREC 3.3V TSOT23-8
• Manufacturer: Linear Technology
• Type: Multi-Voltage Supervisorr

Specifications of LTC2909CTS8-3.3#TRPBF

• Number Of Voltages Monitored: 3
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: Adjustable/Selectable
• Voltage - Threshold: 2.921V, Adj, Adj
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-8, TSOT-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RELATED PARTS
LTC2909
TYPICAL APPLICATIO
12V
PART NUMBER
LTC1326/LTC1326-2.5
LTC1536
LTC1540
LTC1726-2.5/LTC1726-5 Micropower Triple Supply Monitor for 2.5V/5V, 3.3V
LTC1727/LTC1728
LTC1985-1.8
LTC2900
LTC2901
LTC2902
LTC2903
LTC2904/LTC2905
LTC2906/LTC2907
LTC2908
LT6700
16
V
IN
CIRCUIT BREAKER AND CROWBAR
C
100nF
BYP1
PWRGD
V
CC
0.01Ω
GND
Automotive Supply System with Overvoltage, Overcurrent and Overtemperature Protection and Undervoltage Reset
R
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
LT1641-2
S
D1: 1N5238B OR SIMILAR
Q1, Q2: FFB2227 OR SIMILAR
SENSE
TIMER
IRLZ34
GATE
M1
R
10Ω
C
680nF
D1
T
G2
R
ON
1k
FB
G1
2N6507
DESCRIPTION
Micropower Precision Triple Supply Monitor for
5V/2.5V, 3.3V and ADJ
Precision Triple Supply Monitor for PCI Applications
Nanopower Comparator with Reference
and ADJ
Micropower Triple Supply Monitor with Open-Drain
Reset
Micropower Triple Supply Monitor with Push-Pull
Reset Output
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
Programmable Quad Supply Monitor
Precision Quad Supply Monitor
3-State Programmable Precision Dual Supply Monitor
Precision Dual Supply Monitor 1-Selectable and
1 Adjustable
Precision Six Supply Monitor (Four Fixed and
2 Adjustable)
Micropower, Low Voltage, Dual Comparator with
400mV Reference
●
FAX: [phone]
C
10nF
G
100k
R
100k
R
10k
R
FB2
FB1
L2
Q1
DC/DC
DC/DC
Q2
U
R
R
4.7k
L1
PU1
2.5V
3.3V
12V OV AND 3.3V OV DETECT
4.7k
●
RST
SEL
TMR
www.linear.com
LTC2909-2.5
GND
V
CC
ADJ1
ADJ2
R
4.7k
REF
CC
R
2.49M
R
102k
P2A
P1A
R
2.05M
R
340k
P2B
P1B
C
100nF
BYP2
2.5V OV AND T > 85°C DETECT
RST
SEL
TMR
COMMENTS
4.725V, 3.118V, 1V Threshold (±0.75%)
Meets PCI t
Adjustable Hysteresis
Adjustable Reset and Watchdog Time-Outs
Individual Monitor Outputs in MSOP/5-Lead SOT-23
5-Lead SOT-23 Package
Adjustable Reset, 10-Lead MSOP and 3mm × 3mm 10-Lead DFN
Package
Adjustable Reset and Watchdog Timer, 16-Lead SSOP Package
Adjustable Reset and Tolerance, 16-Lead SSOP Package, Margining
Functions
6-Lead SOT-23 Package, Ultralow Voltage Reset
Adjustable Tolerance and Reset Timer, 8-Lead SOT-23 Package
Separate V
8-Lead SOT-23 and DDB Packages
6-Lead SOT-23 Package
LTC2909-2.5
GND
V
CC
ADJ1
ADJ2
REF
CC
FAIL
R
221k
Pin, RST/ ⎯ R ⎯ S ⎯ T Outputs/Adjustable Reset Timer
R
51.1k
10.7k
R
P2C
P1C
REF
Timing Specifi cations
NTC THERMISTOR
NTHS-1206N01
R25 = 100k
R = 10.7k AT 85°C
© LINEAR TECHNOLOGY CORPORATION 2005
R
1.07M
R
49.9k
P1D
P2D
12V, 3.3V and 2.5V UV DETECT
R
221k
P1E
R
1.15M
LT 0807 REV B • PRINTED IN USA
P2E
ADJ1
REF
ADJ2
LTC2909-2.5
GND
V
CC
C
100nF
BYP3
TMR
RST
SEL
2909 TA05
R
10k
PU2
SYSTEM
2909fb