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參數(shù)資料
| 型號： | LT1171M |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-SOIC 0 to 70 |
| 中文描述： | 100kHz時，5A條，包2.5a和1.25A的高效率開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 266K |
| 代理商： | LT1171M |
5
LT1170/LT1171/LT1172
INPUT VOLTAGE (V)
0
S
10
20
30
40
1170/1/2 G09
50
15
14
13
12
11
10
9
8
7
6
5
60
T
J
= 25
°
C
NOTE THAT THIS CURRENT DOES NOT
INCLUDE DRIVER CURRENT, WHICH IS
A FUNCTION OF LOAD CURRENT AND
DUTY CYCLE.
90% DUTY CYCLE
50% DUTY CYCLE
10% DUTY CYCLE
0% DUTY CYCLE
* UNDER VERY LOW OUTPUT CURRENT CONDITIONS,
DUTY CYCLE FOR MOST CIRCUITS WILL APPROACH
10% OR LESS.
Supply Current vs Input Voltage*
V
C
PIN VOLTAGE (mV)
0
S
μ
A
200
180
160
140
120
100
80
60
40
20
0
40
1170/1/2 G10
10
20 30
50
60 70 80 90 100
T
J
= 150
°
C
–55
°
C
≤
T
J
≤
125
°
C
Shutdown Mode Supply Current
TEMPERATURE (
°
C)
T
μ
m
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
1170/1/2 G11
–75
–25
25
50
150
–50
0
75 100 125
g
m
=
I (V
C
PIN)
V (FB PIN)
Error Amplifier Transconductance
V
C
Pin Characteristics
SUPPLY VOLTAGE (V)
0
S
μ
A
10
20
30
40
160
140
120
100
80
60
40
20
0
50
60
1170/1/2 G07
V
C
= 50mV
V
C
= 0V
T
J
= 25
°
C
Supply Current vs Supply Voltage
(Shutdown Mode)
Driver Current* vs Switch Current
SWITCH CURRENT (A)
0
D
1
2
3
160
140
120
100
80
60
40
20
0
4
5
1170/1/2 G08
T
J
= –55
°
C
T
J
=
≥
25
°
C
* AVERAGE LT1170 POWER SUPPLY CURRENT IS
FOUND BY MULTIPLYING DRIVER CURRENT BY
DUTY CYCLE, THEN ADDING QUIESCENT CURRENT.
V
C
PIN VOLTAGE (V)
300
200
100
0
–100
–200
–300
–400
1170/1/2 G12
V
C
μ
A
0
2.0
0.5
1.0
1.5
2.5
V
FB
= 1.5V (CURRENT INTO V
C
PIN)
V
FB
= 0.8V (CURRENT OUT OF V
C
PIN)
T
J
= 25
°
C
Reference Voltage vs Temperature
INPUT VOLTAGE (V)
0
R
10
20
30
40
1170/1/2 G04
50
5
4
3
2
1
0
–1
–2
–3
–4
–5
60
T
J
= 150
°
C
T
J
= –55
°
C
T
J
= 25
°
C
Line Regulation
TEMPERATURE (
°
C)
R
1170/1/2 G05
1.250
1.248
1.246
1.244
1.242
1.240
1.238
1.236
1.234
–75
–25
25
50
150
–50
0
75 100 125
TEMPERATURE (
°
C)
F
1170/1/2 G06
800
700
600
500
400
300
200
100
0
–75
–25
25
50
150
–50
0
75 100 125
Feedback Bias Current vs
Temperature
TYPICAL PERFOR U
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1171MK | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1172M | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1172MJ8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1172MK | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1172S8 | Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 16-PDIP 0 to 70 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1171MK | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1171MK/883 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Current-Mode SMPS Controller |
| LT1172 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1172C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
| LT1172CJ8 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:100kHz, 5A, 2.5A and 1.25A High Efficiency Switching Regulators |
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