參數(shù)資料
型號(hào): LTC1267- ADJ5
廠商: Linear Technology Corporation
元件分類(lèi): 基準(zhǔn)電壓源/電流源
英文描述: 500kHz and 1MHz High Efficiency 1.5A Switching Regulators; Package: SO; No of Pins: 8; Temperature Range: -40?°C to 85?°C
中文描述: 射頻放大器
文件頁(yè)數(shù): 3/16頁(yè)
文件大?。?/td> 282K
代理商: LTC1267- ADJ5
3
LTC1267
LTC1267-ADJ/LTC1267-ADJ5
ELECTRICAL C
T
A
= 25
°
C, V
IN
= 12V, V
MSHDN,
V
SHDN1,3,5
= 0V (Note 2), unless otherwise noted.
HARC
SYMBOL
V
FB1
,
2
I
FB1
,
2
V
OUT
PARAMETER
Feedback Voltage
Feedback Current
Regulated Output Voltage
3.3V Output
5V Output
Output Voltage Line Regulation
Output Voltage Load Regulation
3.3V Output
5V Output
Burst Mode Output Ripple
Internal Regulator Voltage
V
CC
Dropout Voltage
EXT V
CC
Pin Current (Note 3)
V
IN
Pin Current (Note 3)
Normal
CONDITIONS
LTC1267-ADJ, LTC1267-ADJ5: V
IN
= 9V
LTC1267-ADJ, LTC1267-ADJ5
MIN
1.21
TYP
1.25
0.2
MAX
1.29
1
UNITS
G
V
G
μ
A
LTC1267: V
IN
= 9V, I
LOAD
= 700mA
LTC1267, LTC1267-ADJ5: V
IN
= 9V, I
LOAD
= 700mA
V
IN
= 9V to 40V
Figure 1 Circuit
5mA < I
LOAD
< 2.0A
5mA < I
LOAD
< 2.0A
I
LOAD
= 0A
V
IN
= 12V to 40V, EXT V
CC
= 0V, I
CC
= 10mA
V
IN
= 4V, EXT V
CC
= Open, I
CC
= 10mA
EXT V
CC
= 5V, Sleep Mode
G
G
3.23
4.90
–40
3.33
5.05
0
3.43
5.20
40
V
V
V
OUT
mV
G
G
40
60
50
4.5
200
360
65
100
mV
mV
mV
P-P
V
CC
V
IN
– V
CC
I
EXTVCC
I
IN
G
4.25
4.75
300
V
mV
μ
A
V
IN
= 12V, EXT V
CC
= 5V
V
IN
= 40V, EXT V
CC
= 5V
V
IN
= 12V, V
MSHDN
= 2V
V
IN
= 40V, V
MSHDN
= 2V
V
IN
= 12V, EXT V
CC
= 5V, I
SWITCH
= 10mA
320
550
15
25
200
μ
A
μ
A
μ
A
μ
A
mV
Shutdown
V
EXTVCC
V
CC
V
PGATE
V
IN
V
SENSE+1, 2
– Current Sense Threshold Voltage
V
SENSE–1, 2
EXT V
CC
Switch Drop
300
PGate to Source Voltage (Off)
V
IN
= 12V
V
IN
= 40V
LTC1267-ADJ, LTC1267-ADJ5
V
SENSE–1, 2
= 5.1V, V
FB1, 2
= V
OUT
/4 + 25mV (Forced)
V
SENSE–1, 2
= 4.9V, V
FB1, 2
= V
OUT
/4 – 25mV (Forced)
LTC1267
V
SENSE–3, 5
= V
OUT
+ 100mV (Forced)
V
SENSE–3, 5
= V
OUT
– 100mV (Forced)
–0.2
–0.2
0
0
V
V
25
160
mV
mV
G
135
180
V
SENSE+3, 5
– Current Sense Threshold Voltage
V
SENSE–3, 5
25
160
mV
mV
G
135
180
V
SHDN
Shutdown Threshold
MSHDN
SHDN1, 3, 5
MSHDN Input Current
C
T
Pin Discharge Current
0.8
0.6
1.4
0.8
12
70
2
5
100
2.0
2.0
20
90
10
6
200
V
V
I
MSHDN
I
CT
V
MSHDN
= 5V
V
OUT
in Regulation
V
OUT
= 0V
C
T
= 390pF, I
LOAD
= 700mA, V
IN
= 10V
C
L
= 3000pF (PDrive and NGate Pins), V
IN
= 6V
μ
A
μ
A
μ
A
μ
s
ns
50
t
OFF
t
r
, t
f
Off-Time (Note 4)
Driver Output Transition Times
4
相關(guān)PDF資料
PDF描述
LTC1267-ADJ5 Circular Connector; No. of Contacts:37; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-35
LTC1267-ADJ XTAL MTL T/H HC49/US
LTC1267CG RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1267 RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
LTC1267CG-ADJ5 Circular Connector; No. of Contacts:37; Series:LJT06R; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-35
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