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參數(shù)資料
| 型號： | LT1171ITTR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 5.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 278K |
| 代理商： | LT1171ITTR |
7
LT1170/LT1171/LT1172
117012ff
Normal/Flyback Mode Threshold on
Feedback Pin
TEMPERATURE (
°C)
–50
FEEDBACK
PIN
VOLTAGE
(mV)
500
490
480
470
460
450
440
430
420
410
400
0
50
75
1170/1/2 G20
–25
25
100 125
150
–24
–22
–20
–18
–16
–14
–12
–10
–8
–6
–4
FEEDBACK
PIN
CURRENT
(
A)
FEEDBACK PIN CURRENT
(AT THRESHOLD)
FEEDBACK PIN VOLTAGE
(AT THRESHOLD)
Transconductance of Error
Amplifier
FREQUENCY (Hz)
1k
TRANSCONDUCTANCE
(
mho)
7000
6000
5000
4000
3000
2000
1000
0
–1000
10k
100k
1170/1/2 G19
1M
10M
–30
0
30
60
90
120
150
180
210
PHASE
(DEG)
θ
gm
TYPICAL PERFOR A CE CHARACTERISTICS
UW
1.24V
REF
1170/1/2 BD
ERROR
AMP
100kHz
OSC
2.3V
REG
VIN
FB
+
–
+
–
SHUTDOWN
CIRCUIT
VC
COMP
LOGIC
DRIVER
ANTI-
SAT
FLYBACK
ERROR
AMP
16V
SWITCH
OUT
5A, 75V
SWITCH
0.02
(0.04
(0.16
LT1171)
LT1172)
0.16
CURRENT
AMP
GAIN
6
≈
0.15V
ALWAYS CONNECT E1 TO THE GROUND PIN ON MINIDIP, 8- AND 16-PIN SURFACE MOUNT PACKAGES.
E1 AND E2 INTERNALLY TIED TO GROUND ON TO-3 AND TO-220 PACKAGES.
MODE
SELECT
E1
E2
(LT1170 AND LT1171 ONLY)
LT1172
BLOCK DIAGRA
W
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PDF描述 |
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| LT1170CT#PBF06 | 11 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5 |
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| 5962-9207901MPA | 1.25 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, CDIP8 |
| 5962-9207901MPX | 1.25 A SWITCHING REGULATOR, 100 kHz SWITCHING FREQ-MAX, CDIP8 |
| LT1172HVIQ#TRPBF | 3.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PSSO5 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LT1171M | 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 | 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 |
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