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參數(shù)資料
| 型號(hào)： | LT1172HVCT |
| 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： | 3.5 A SWITCHING REGULATOR, 115 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁(yè)數(shù)： | 5/20頁(yè) |
| 文件大?。?/td> | 266K |
| 代理商： | LT1172HVCT |
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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 |
|---|---|
| LT1172IN8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1172IS8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1173CN8-12 | Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1173-12 | Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
| LT1173-5 | Micropower DC/DC Converter Adjustable and Fixed 5V, 12V |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1172HVCT#06 | 制造商:Linear Technology 功能描述:SWITCHING REGULATOR 100 KHZ WITH INTERNAL 1.25A SWITCH |
| LT1172HVCT#06PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 3V to 60V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO-220-5 |
| LT1172HVCT#30PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 3V to 60V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO220 |
| LT1172HVCT#31PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Non-Inv/Inv/Step Up/Step Down 3V to 60V 5-Pin(5+Tab) TO-220 制造商:Linear Technology 功能描述:IC REG MULTI CONFIG ADJ TO220 |
| LT1172HVCT#PBF | 功能描述:IC REG MULTI CONFIG ADJ TO220 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
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