參數(shù)資料
型號(hào): LTC4267CDHC
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 1 A SWITCHING CONTROLLER, 240 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 5 X 3 MM, PLASTIC, MO-229-WJED-1, DFN-16
文件頁(yè)數(shù): 5/32頁(yè)
文件大?。?/td> 1975K
代理商: LTC4267CDHC
LTC4267
5
4267f
TYPICAL PERFOR
U
A
CE CHARACTERISTICS
Input Current vs Input Voltage
25k Detection Range
Input Current vs Input Voltage
Input Current vs Input Voltage
Input Current vs Input Voltage
Signature Resistance vs
Input Voltage
Normalized UVLO Threshold vs
Temperature
Power Good Output Low Voltage
vs Current
P
OUT
Leakage Current
Current Limit vs Input Voltage
V
PORTN
VOLTAGE (V)
0
0
I
0.1
0.2
0.3
0.4
0.5
–2
–4
–6
–8
4267 G01
–10
T
A
= 25°C
V
PORTN
VOLTAGE (V)
–12
9.0
I
9.5
10.5
11.0
11.5
–14
–16
4267 G03
10.0
–18
–20
–22
12.0
85°C
–40°C
CLASS 1 OPERATION
V
PORTN
VOLTAGE (V)
0
0
I
10
20
30
40
50
–10
–20
–30
–40
4267 G02
–50
–60
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
T
A
= 25°C
V
PORTN
VOLTAGE (V)
0
I
1
2
3
–45
–55
4267 G04
–60
–40
–50
EXCLUDES ANY LOAD CURRENT
T
A
= 25°C
V
PORTN
VOLTAGE (V)
–1
–2
22
V1:
V2:
S
)
23
25
26
27
–3
–4
–5
–6
4267 G05
24
–7
–8
–9
–10
28
RESISTANCE =
DIODES: S1B
T
A
= 25C
=
V
I
V2 – V1
I
2
– I
1
IEEE UPPER LIMIT
IEEE LOWER LIMIT
LTC4267 + 2 DIODES
LTC4267 ONLY
CURRENT (mA)
0
V
P
2
3
8
4267 G07
1
0
2
4
6
10
4
T
A
= 25°C
P
OUT
PIN VOLTAGE (V)
0
0
V
O
30
60
120
90
20
40
4267 G08
60
V
IN
= 0V
T
A
= 25°C
V
PORTN
VOLTAGE (V)
–40
C
200
–60
4267 G09
100
–45
–50
–55
400
300
85°C
– 40°C
85°C
– 40°C
HIGH CURRENT MODE
LOW CURRENT MODE
TEMPERATURE (C)
–40
–2
N
–1
0
1
2
–20
0
20
40
4267 G06
60
80
APPLICABLE TO TURN-ON
AND TURN-0FF THRESHOLDS
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