LTC2922IF-2.5 Linear Technology, LTC2922IF-2.5 Datasheet - Page 3

• Manufacturer Part Number: LTC2922IF-2.5
• Description: IC 5 PWR SUPPLY MONITOR 20TSSOP
• Manufacturer: Linear Technology

Specifications of LTC2922IF-2.5

• Applications: Five Power Supply Monitor
• Voltage - Supply: 2.37 V ~ 2.63 V
• Current - Supply: 2mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
LTC2921-3.3/LTC2922-3.3, and V
SYMBOL
V
V
Electronic Circuit Breaker
I
t
t
V
Monitor Inputs
V
V
I
TIMER Pin
V
I
I
V
GATE Pin
V
I
I
Remote Sense Switches
R
PG Pin
I
I
V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: T
dissipation P
SENSE
V1(DLY)
V1(RST)
MON
TIMER(PU)
TIMER(PD)
GATE(PU)
GATE(PD)
PG(PU)
PG(PD)
CC(UVLO)
CC(UVH)
V1(RST)
MON
OV
TIMER(TH)
TIMER(CLR)
GATE
DS(FB)
PG(OL)
PG
V
LTC2921 Series: T
LTC2922 Series: T
SENSE
J
is calculated from the ambient temperature T
D
as follows:
J
J
PARAMETER
Supply Undervoltage Lockout
Supply Undervoltage Hysteresis
Circuit Breaker Trip Voltage
SENSE Pin Input Current
Circuit Breaker Trip Delay Time
Circuit Breaker Reset Pulse Width
Circuit Breaker Reset Threshold Voltage
V1-V4 Monitor Threshold Voltages
V1-V4 Overvoltage Thresholds
V1-V4 Input Currents
TIMER Ramp Threshold Voltage
TIMER Pull-Up Current
TIMER Pull-Down Current
TIMER Cleared Threshold Voltage
GATE Drive Output Voltage
GATE Pull-Up Current
GATE Pull-Down Current
Feedback Switch Resistances (Note 3)
PG Pull-Up Current
PG Pull-Down Current
PG Output Low Voltage
PG Output Voltage (Note 4)
= T
= T
A
A
+ (P
+ (P
D
D
• 110 C/W)
• 90 C/W)
CC
= 2.5V for LTC2921-2.5/LTC2922-2.5, unless otherwise noted.
A
and power
A
= 25 C. V
CONDITIONS
V
V
V
LTC2921/LTC2922
LTC2921-3.3/LTC2922-3.3
LTC2921-2.5/LTC2922-2.5
Guaranteed Not to Reset
Guaranteed to Reset
V
V
V
LTC2921/LTC2922
LTC2921-3.3/LTC2922-3.3
LTC2921-2.5/LTC2922-2.5
V
V
V
V
V
V
LTC2921/LTC2922
LTC2921-3.3/LTC2922-3.3
LTC2921-2.5/LTC2922-2.5
CC
CC
CC
TIMER
CC
TIMER
GATE
CC
D
PG
CC
CC
V
SENSE
= V
The
Rising
Falling
- V
= 2.35V, V
= 2.35V, V
= V
= 2.35V, V
= 2.35V, I
= V
SENSE
CC
= 1V
Falling
CC
CC
= V
CC
denotes the specifications which apply over the full operating
= 5V for LTC2921/LTC2922, V
CC
= 150mV
PG
TIMER
GATE
PG
- V
Note 3: This specification applies to all switches, and is measured with
V
Note 4: The PG pin will rise to approximately the same voltage as the
GATE pin when not pulled up or pulled down by external resistance.
= 5mA
S
= 2.35V
SENSE
< V
= 2.35V
= 0.4V
D
.
LTC2921/LTC2922 Series
CC
= 3.3V for
0.490
0.495
0.492
0.665
MIN
2.08
1.15
–1.3
10.0
–6.5
–2.6
10.0
150
100
0.5
0.5
0.5
8.4
6.1
8.4
6.1
45
10
10
0.500
0.500
0.500
0.700
–10.0
2.20
1.20
–2.0
11.1
–4.0
11.1
TYP
120
150
150
1.5
1.5
1.5
9.1
6.8
9.1
6.8
50
2
0.510
0.505
0.508
0.735
–12.5
MAX
2.30
1.25
–2.5
12.2
–5.0
12.2
500
250
3.0
3.0
6.0
9.8
7.5
0.4
9.8
7.5
50
10
55
0.1
29212fa
UNITS
3
mV
mV
mV
mA
mA
nA
V
V
V
V
V
A
V
A
A
V
V
V
A
A
V
V
V
V
s
s
s
s
s