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參數(shù)資料
| 型號： | LT1071 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 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 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 265K |
| 代理商： | LT1071 |
2
LT1070/LT1071
SYMBOL
V
REF
PARAMETER
Reference Voltage
CONDITIONS
Measured at Feedback Pin, V
C
= 0.8V
MIN
1.224
1.214
TYP
1.244
1.244
350
MAX
1.264
1.274
750
1100
6000
7000
350
400
2.30
0.52
0.03
UNITS
V
V
G
I
B
Feedback Input Current
V
FB
= V
REF
nA
nA
G
g
m
Error Amplifier Transconductance
I
C
=
±
25
μ
A
3000
2400
150
120
1.80
0.25
4400
μ
mho
μ
mho
G
Error Amplifier Source or Sink Current
V
C
= 1.5V
200
μ
A
μ
A
V
V
G
Error Amplifier Clamp Voltage
Hi Clamp, V
FB
= 1V
Lo Clamp, V
FB
= 1.5V
3V
≤
V
IN
≤
V
MAX
, V
C
= 0.8V
0.9V
≤
V
C
≤
1.4V
0.38
Reference Voltage Line Regulation
Error Amplifier Voltage Gain
Minimum Input Voltage
Supply Current
Control Pin Threshold
G
%/V
V/V
A
V
500
800
2.6
6
0.9
G
3.0
9
1.08
1.25
0.54
V
I
Q
3V
≤
V
IN
≤
V
MAX
, V
C
= 0.6V
Duty Cycle = 0
mA
0.8
0.6
0.4
V
V
V
G
Normal/Flyback Threshold on Feedback Pin
0.45
ABSOLUTE
AXI
U
RATIU
W
Supply Voltage
LT1070/LT1071 (Note 2).................................... 40V
LT1070HV/LT1071HV (Note 2)........................... 60V
Switch Output Voltage
LT1070/LT1071.................................................. 65V
LT1070HV/LT1071HV......................................... 75V
Feedback Pin Voltage (Transient, 1ms) ................
±
15V
W
W
Operating Junction Temperature Range
Commercial (Operating) ....................... 0
°
C to 100
°
C
Commercial (Short Circuit)................... 0
°
C to 125
°
C
Industrial ......................................... –40
°
C to 125
°
C
Military ............................................ –55
°
C to 150
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
LT1070CK
LT1070HVCK
LT1070HVMK
LT1070IK
LT1070MK
LT1071CK
LT1071HVCK
LT1071HVMK
LT1071MK
ORDER PART
NUMBER
LT1070CT
LT1070HVCT
LT1070HVIT
LT1070IT
LT1071CT
LT1071HVCT
LT1071HVIT
LT1071IT
T
JMAX
= 100
°
C,
θ
JA
= 35
°
C/W, Q
JC
= 2
°
C (LT1070C, I)
T
JMAX
= 150
°
C,
θ
JA
= 35
°
C/W, Q
JC
= 2
°
C (LT1070M)
T
JMAX
= 100
°
C,
θ
JA
= 35
°
C/W, Q
JC
= 4
°
C (LT1071C, I)
T
JMAX
= 150
°
C,
θ
JA
= 35
°
C/W, Q
JC
= 4
°
C (LT1071M)
2
4
1
3
V
SW
V
C
FB
CASE
IS GND
V
IN
K PACKAGE
4-LEAD TO-3 METAL CAN
BOTTOM VIEW
T
JMAX
= 100
°
C,
θ
JA
= 75
°
C/W, Q
JC
= 2
°
C (LT1070C, I)
T
JMAX
= 100
°
C,
θ
JA
= 75
°
C/W, Q
JC
= 4
°
C (LT1071C)
T PACKAGE
5-LEAD PLASTIC TO-220
V
IN
V
SW
GND
FB
V
C
FRONT VIEW
5
4
3
2
1
ELECTRICAL CHARACTERISTICS
V
IN
= 15V, V
C
= 0.5V, V
FB
= V
REF
, output pin open unless otherwise specified.
(Note 1)
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