LTC4267CGNPBF LINEAR TECH, LTC4267CGNPBF Datasheet - Page 5

• Manufacturer Part Number: LTC4267CGNPBF
• Manufacturer: LINEAR TECH

TYPICAL PERFOR
0.5
0.1
0.4
0.3
0.2
3
2
1
0
0
4
3
2
1
0
–40
0
Input Current vs Input Voltage
25k Detection Range
0
Input Current vs Input Voltage
Power Good Output Low Voltage
vs Current
EXCLUDES ANY LOAD CURRENT
T
T
T
A
A
A
= 25°C
= 25°C
= 25°C
–2
2
–45
V
V
PORTN
PORTN
CURRENT (mA)
–4
4
VOLTAGE (V)
VOLTAGE (V)
–50
–6
6
–55
W
–8
8
A
4267 G01
4267 G04
4267 G07
U
–10
–60
10
CE CHARACTERISTICS
V1:
V2:
120
30
50
10
28
26
25
24
22
90
60
40
30
20
27
23
0
0
–2
–1
Input Current vs Input Voltage
0
Signature Resistance vs
Input Voltage
P
0
RESISTANCE =
DIODES: S1B
T
V
T
T
OUT
A
A
IN
A
LTC4267 ONLY
= 25C
= 25°C
= 25°C
= 0V
–10
Leakage Current
–3
–4
P
V
V
LTC4267 + 2 DIODES
OUT
–20
PORTN
PORTN
20
CLASS 3
CLASS 2
CLASS 1
CLASS 0
CLASS 4
∆V
∆I
PIN VOLTAGE (V)
–5
–6
=
VOLTAGE (V)
VOLTAGE (V)
–30
V2 – V1
IEEE LOWER LIMIT
I
IEEE UPPER LIMIT
2
– I
1
–40
–7
–8
40
–50
–10
–9
4267 G05
4267 G02
4267 G08
–60
60
11.0
10.0
12.0
11.5
10.5
400
300
200
100
9.0
9.5
–1
–2
2
1
0
–40
–12
–40
Input Current vs Input Voltage
Normalized UVLO Threshold vs
Temperature
Current Limit vs Input Voltage
CLASS 1 OPERATION
APPLICABLE TO TURN-ON
AND TURN-0FF THRESHOLDS
–20
–14
–45
V
V
TEMPERATURE (C)
PORTN
0
PORTN
– 40°C
– 40°C
85°C
85°C
–16
–40°C
85°C
20
VOLTAGE (V)
VOLTAGE (V)
–50
LTC4267
HIGH CURRENT MODE
LOW CURRENT MODE
–18
40
–55
60
–20
4267 G03
4267 G09
4267 G06
80
5
4267fc
–60
–22