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參數(shù)資料
| 型號： | LTC1046MJ8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | “Inductorless” 5V to + 5V Converter |
| 中文描述： | 0.05 A SWITCHED CAPACITOR CONVERTER, 30 kHz SWITCHING FREQ-MAX, CDIP8 |
| 封裝： | 0.300 INCH, HERMETIC SEALED, CERDIP-8 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 172K |
| 代理商： | LTC1046MJ8 |
LTC1046
4
AMBIENT TEMPERATURE (
°
C)
–55
26
O
O
30
32
34
36
38
40
25
50
100
125
1046 G11
28
–25
0
75
V
+
= 5V
C
OSC
= 0pF
AMBIENT TEMPERATURE (
°
C)
0
1
O
O
10
100
1
4
5
7
1046 G10
2
3
6
T
A
= 25
°
C
C
OSC
= 0pF
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
TEST CIRCUIT
Figure 1
U
S
A
Theory of Operation
O
PPLICATI
U
U
To understand the theory of operation of the LTC1046, a
review of a basic switched capacitor building block is
helpful.
In Figure 2, when the switch is in the left position, capacitor
C1 will charge to voltage V1. The total charge on C1 will be
q1 = C1V1. The switch then moves to the right, discharg-
ing C1 to voltage V2. After this discharge time, the charge
on C1 is q2 = C1V2. Note that charge has been transferred
from the source, V1, to the output, V2. The amount of
charge transferred is:
q = q1 – q2 = C1(V1 – V2).
If the switch is cycled “f” times per second, the charge
transfer per unit time (i.e., current) is:
I = f
q = f C1(V1 – V2).
Figure 2. Switched Capacitor Building Block
Oscillator Frequency as a
Function of Supply Voltage
Oscillator Frequency vs
Temperature
(Using Test Circuit in Figure 1)
C
OSC
EXTERNAL
OSCILLATOR
C2
10
μ
F
V
OUT
V
+
(5V)
R
L
I
S
I
L
1046 F01
1
2
3
4
8
7
6
5
V
+
OSC
LV
V
OUT
BOOST
CAP
+
GND
CAP
–
LTC1046
C1
10
μ
F
+
+
C1
f
C2
1046 F02
V2
V1
R
L
相關PDF資料 |
PDF描述 |
|---|---|
| LTC1046CS8 | “Inductorless” 5V to + 5V Converter |
| LTC1046C | “Inductorless” 5V to + 5V Converter |
| LTC1046I | “Inductorless” 5V to + 5V Converter |
| LTC1046M | “Inductorless” 5V to + 5V Converter |
| LTC1046IN8 | “Inductorless” 5V to + 5V Converter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1047 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Micropower Zero-Drift Operational Amplifier with Internal Capacitors |
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| LTC1047C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Micropower Chopper Stabilized Operational Amplifier with Internal Capacitors |
| LTC1047CN8 | 功能描述:IC OPAMP CHOP-STBL W/CAPS 8-DIP RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
| LTC1047CN8#PBF | 功能描述:IC OPAMP CHOP-STBL W/CAPS 8-DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標準包裝:50 系列:- 放大器類型:J-FET 電路數(shù):2 輸出類型:- 轉換速率:13 V/µs 增益帶寬積:3MHz -3db帶寬:- 電流 - 輸入偏壓:65pA 電壓 - 輸入偏移:3000µV 電流 - 電源:1.4mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):7 V ~ 36 V，±3.5 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 供應商設備封裝:8-PDIP 包裝:管件 |
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