LTC2919CMS-2.5-PBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC2919CMS-2.5-PBF
Linear Technology
'LTC2919CMS-2.5-PBF' PDF : 16 Pages View PDF
LTC2919
TYPICAL APPLICATIO S
Six Supply Undervoltage Monitor with 2.5V Reset Output and 20ms Timeout
15V
5V
–5V
–15V
3.3V
2.5V
CBYP1
100nF
RPU1
10k
RPU2
10k
RPU5
10k
RPU3
10k
RPU4
10k
CBYP2
100nF
RN2B
309k
RN2A
137k
RN1A
13.3k
RN1B
10.7k
VCC
ADJ1 SEL
LTC2919-2.5
REF
RST
–5V_OK
ADJ2 OUT1
CTMR1
2.2nF
–15V_OK
TMR OUT2
GND
VCC
SEL
ADJ1
LTC2919-3.3
RST
REF
5V_OK
OUT1 ADJ2
15V_OK
OUT2 TMR
GND
SYSTEM
RP2A
115k
RP1A
13.7k
SYSTEM_OK
RP2B
309k
RP1B
11.5k
2919 TA02
CTMR2
2.2nF
14
48V Telecom UV/OV Monitor with Hysteresis
VIN
36V TO 72V
RP2A
1.43M
RP2B
1.91M
RP2A2 M2
169k
VUV(RISING): 43.3V
VUV(FALLING): 38.7V
VOV(RISING): 71.6V
VOV(FALLING): 70.2V
RP1A
18.7k
RP1B RP1B2
13.7k 681k
M1
M1, M2: FDG6301N OR SIMILAR
RCC
27k
0.25W
CBYP
100nF
SYSTEM
5V
VCC
ADJ1
RST
LTC2919-2.5
ADJ2 OUT1
REF
OUT2
SEL
TMR
GND
RPU3
10k
PWRGD
RPU1
10k
UV
RPU2
10k
OV
2919 TA03
±12V UV Monitor Powered from
12V, 20ms Timeout (1.8V Logic Out)
RCC
CBYP
100nF
10k
12V
MANUAL
RESET
PUSHBUTTON
–12V
10k*
RN2
249k
RP2
1.07M
RP1
49.9k
RN1
10.7k
VCC
ADJ1
RST
LTC2919-2.5
REF
OUT1
ADJ2 OUT2
SEL
TMR
GND
1.8V
RPU3
10k
RPU1
10k
12V_OK
RPU2
10k
CTMR
2.2nF
–12V_OK
*OPTIONAL FOR ESD
2919 TA01b
2919f
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