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參數資料
| 型號： | TC7662AMJA |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | CHARGE PUMP DC-TO-DC CONVERTER |
| 中文描述： | 電荷泵DC - DC轉換器 |
| 文件頁數： | 1/5頁 |
| 文件大?。?/td> | 62K |
| 代理商： | TC7662AMJA |
4-77
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
TC7662A
+
–
COMPARATOR
WITH HYSTERESIS
C
F/F
Q
Q
VREF
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
VDD
P SW1
CAP
CP
EXT
N SW4
N SW2
N SW3
CAP
CR
EXT
RL
V
I
COSC
+
GND
–
OUT
8
2
3
OUT
5
4
7
+
+
TC7662A
GENERAL DESCRIPTION
The TC7662A is a pin-compatible upgrade to the In-
dustry standard TC7660 charge pump voltage converter. It
converts a +3V to +18V input to a corresponding – 3V to
-18V output using only two low-cost capacitors, eliminating
inductors and their associated cost, size and EMI. In addi-
tion to a wider power supply input range (3V to 18V versus
1.5V to 10V for the TC7660), the TC7662A can source
output currents as high as 40mA. The on-board oscillator
operates at a nominal frequency of 12kHz. Operation be-
low 10kHz (for lower supply current applications) is also
possible by connecting an external capacitor from OSC to
ground.
The TC7662A directly is recommended for designs
requiring greater output current and/or lower input/output
voltage drop. It is available in 8-pin DIP packages in com-
mercial and extended temperature ranges.
FEATURES
I
I
I
Wide Operating Range .............................3V to 18V
Increased Output Current .............................. 40mA
Pin Compatible with ICL7662/SI7661/TC7660/
LTC1044
No External Diodes Required
Low Output Impedance @ I
L
= 20mA.......40
Typ.
No Low-Voltage Terminal Required
CMOS Construction
I
I
I
I
FUNCTIONAL BLOCK DIAGRAM
CHARGE PUMP DC-TO-DC CONVERTER
TC7662A
1
2
3
4
V
DD
OSC
5
6
7
8
V
OUT
NC
C
+
GND
C
–
NC
NC = NO INTERNAL CONNECTION
PIN CONFIGURATION
EVALUATION
KIT
AVAILABLE
ORDERING INFORMATION
Temperature
Range
0
°
C to +70
°
C
– 40
°
C to +85
°
C
– 25
°
C to +85
°
C
– 55
°
C to +125
°
C
Part No.
Package
TC7662ACPA
TC7662AEPA
TC7662AIJA
TC7662AMJA
TC7660EV
8-Pin Plastic DIP
8-Pin Plastic DIP
8-Pin CerDIP
8-Pin CerDIP
Evaluation Kit for
Charge Pump Family
TC7662A-5 9/11/96
相關PDF資料 |
PDF描述 |
|---|---|
| TC7662A | CHARGE PUMP DC-TO-DC CONVERTER |
| TC7662ACPA | CHARGE PUMP DC-TO-DC CONVERTER |
| TC7662AEPA | CHARGE PUMP DC-TO-DC CONVERTER |
| TC7662AMJA | CHARGE PUMP DC-TO-DC CONVERTER |
| TC7662B | CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TC7662B | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
| TC7662BC0A | 制造商:Texas Instruments 功能描述: |
| TC7662BCOA | 功能描述:電荷泵 High Voltage RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TC7662BCOA | 制造商:Microchip Technology Inc 功能描述:DC/DC CONVERTER SMD 7662 SOIC8 |
| TC7662BCOA713 | 功能描述:電荷泵 High Voltage RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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