LTC2938HDE#PBF Linear Technology, LTC2938HDE#PBF Datasheet - Page 5

• Manufacturer Part Number: LTC2938HDE#PBF
• Description: IC FOUR PWR SUPPLY MONITOR 12DFN
• Manufacturer: Linear Technology

Specifications of LTC2938HDE#PBF

• Applications: Four Power Supply Monitor
• Voltage - Supply: 1 V ~ 5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Input: -

TYPICAL PERFORMANCE CHARACTERISTICS
90
85
70
80
75
18
15
12
9
6
3
0
4
2
1
5
3
–50
0.5
–50
Supply Current vs Temperature
RST Pull-Up Current vs V2
Reset Timeout Period
vs Temperature
T
C
(SILVER MICA)
V1 = 5V
V2 = 3.3V
V3 = 2.5V
V4 = 1.8V
V5 = V6 = 1V
V
A
RT
RT12
= 25°C
–25
1
= 1500pF
–25
V
RT15
V
1.5
RT18
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
2
V
RT25
25
2.5
25
V2 (V)
V
50
3
RT33
50
3.5
75
75
4
100
100
4.5
29389 G04
29389 G07
29389 G10
125
125
5
–100μ
–100n
–100p
100m
100μ
–10μ
–10n
10m
100
–1μ
–1n
1m
10
1
6
5
4
3
2
1
0
–300
10p
0
I(V4) vs V4 in –ADJ mode
RST Output Voltage vs V1,
V
Watchdog Timeout Period vs C
T
T
10k PULL-UP FROM RST TO V1
V1 = V2
A
A
PG
= 25°C
= 25°C
–250
85°C
= GND
100p
1
25°C
125°C
–200
1n
2
V4 (mV)
C
V1 (V)
–150
WT
(F)
10n
3
–100
100n
4
–50
29389 G08
29389 G05
29389 G11
WT
1μ
0
5
LTC2938/LTC2939
100m
100μ
10m
10μ
400
350
300
250
200
150
100
1m
50
10
36
34
28
24
32
30
26
1
0
10p
–50
0.1
RESET COMPARATOR OVERDRIVE (% OF V
Transient Duration
vs Comparator Overdrive
Watchdog Timeout Period
vs Temperature
Reset Timeout Period vs C
T
C
(SILVER MICA)
A
WT
= 25°C
–25
= 1500pF
100p
0
TEMPERATURE (°C)
1
1n
RESET OCCURS
ABOVE CURVE
25
C
RT
(F)
50
10n
10
75
100n
T
RT
A
100
= 25°C
29389 G09
29389 G06
293839ff
29389 G12
RTX
5
100
125
1μ
)