amc7660 ADDtek Corp, amc7660 Datasheet

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amc7660

Manufacturer Part Number
amc7660
Description
Converter Control Circuit
Manufacturer
ADDtek Corp
Datasheet

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Part Number:
amc7660DM
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Copyright © 2006 ADDtek Corp.
require DC - DC converters. It can be operated in a wide
input range from 3.0V to 40V and has the controlled duty
cycle oscillator, driver and high current output switch.
Also, With the internal temperature compensation circuit,
the AMC7660 provides an internally trimmed precision
1.5% reference voltage of 1.25V. These features make the
AMC7660
voltage–inverting applications.
Note: 1.All surface-mount packages are available in Tape & Reel. Append the letter “T” to part number (i.e. AMC7660DMT).
Automobile Chargers
Adaptors
Mother Board
External Modem
ISDN Modem
Scanner
Cellular Phones/Radios
Laptop/Notebook
The AMC7660 is designed for the applications which
2.The letter ”F” is marked for Lead Free process.
T
0 to 70
0 to 70
A
www.addmtek.com
(
O
C)
suitable
APPLICATIONS
DESCRIPTION
AMC7660M
AMC7660MF(Lead Free)
for
M
step-up,
Plastic DIP
8-pin
step-down
ORDER INFORMATION
and
1
Output Switch Current up to 1.5A
Low Standby Current
100KHz operational Frequency
Voltage
Packages
Internally trimmed 1.5% 1.25V Reference
Wide Input Operating Range: 3.0V to 40V
Adjustable Output Voltage
Available in 8 Pin Plastic DIP and 8 Pin S.O
AMC7660DM
AMC7660DMF(Lead Free)
DM
Plastic SO-8
8-pin
GND
GND
OC1
OC1
PACKAGE PIN OUT
E1
E1
C
C
T
T
FEATURES
DM PACKAGE
M PACKAGE
3
1
2
4
(TOP VIEW)
(TOP VIEW)
3
1
2
4
DC - DC C
C
5
5
6
6
8
7
8
7
DD057_C -- JUNE 2006
ONTROL
AMC7660
OC2
OC2
I
V
V
I
V
V
S
S
CC
IN-
CC
IN-
ONVERTER
C
IRCUIT

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amc7660 Summary of contents

Page 1

... AMC7660M AMC7660MF(Lead Free) Note: 1.All surface-mount packages are available in Tape & Reel. Append the letter “T” to part number (i.e. AMC7660DMT). 2.The letter ”F” is marked for Lead Free process. Copyright © 2006 ADDtek Corp. Internally trimmed 1.5% 1.25V Reference Voltage Wide Input Operating Range: 3 ...

Page 2

... OC1 Copyright © 2006 ADDtek Corp. ABSOLUTE MAXIMUM RATINGS THERMAL DATA JA JA BLOCK DIAGRAM 100 I sense Oscillator AMC7660 IN- 1.25V GND 4 DD057_C -- JUNE 2006 150 C/W O 165 C/W ...

Page 3

... 140 220 260 5.2 6 250 300 350 - 0.9 - 0 0.01 100 1.23 1.25 1.27 C 1.22 - 1.28 - 1.4 5.6 - -20 -400 , CC - 3.0 3.9 DD057_C -- JUNE 2006 AMC7660 Units 100 mA 1 °C Units 42 KHz µA 42 µA 7 1 µ ...

Page 4

... T Copyright © 2006 ADDtek Corp. CHARACTERIZATION CURVES VCC = 5V, Pin open C = 470pF T C VCC = 25V, Pin open C = 470pF T C VCC =25V, Pin open C = 470pF AMC7660 pin (PIN#3) waveform T pin (PIN#3) waveform T pin (PIN#3) waveform T DD057_C -- JUNE 2006 ...

Page 5

... T Copyright © 2006 ADDtek Corp. CHARACTERIZATION CURVES VCC = 5V, Pin open C = 1nF T VCC = 25V, Pin open C = 1nF T VCC =25V, Pin open C = 1nF T 5 AMC7660 C pin (PIN#3) waveform T C pin (PIN#3) waveform T C pin (PIN#3) waveform T DD057_C -- JUNE 2006 ...

Page 6

... VCC = 25V, 500mA load C = 470pF T E1 pin (PIN#2) waveform on 5V step down converter Copyright © 2006 ADDtek Corp. CHARACTERIZATION CURVES VCC = 25V, 500mA load 23. 0.8V 5V output 6 AMC7660 = 470pF pin waveform Step down 5V output performance DD057_C -- JUNE 2006 ...

Page 7

... Copyright © 2006 ADDtek Corp. 0.22 Rsc 7 8 OC2 S OC1 100 I sense 2 Oscillator 1.5nF 0.33 Rsc 7 8 OC2 S OC1 100 I sense 2 Oscillator 470pF 7 AMC7660 47K V R1 12V 100uF 2.2K 1.25V 4 3. 25V 100uF 1.2K 1.25V 4 DD057_C -- JUNE 2006 IN IN ...

Page 8

... Note: For step-up, step-down or voltage inverting applications requiring peak current greater than 1.5A, external boost current circuitry by NPN or PNP transistors can be used. Copyright © 2006 ADDtek Corp. Figure 3 – Voltage Inverting Converters 0.24 Rsc 7 OC2 S OC1 100 I sense Oscillator 1.5nF 8 AMC7660 953 R2 4. 8.2K 1.25V 4 DD057_C -- JUNE 2006 V IN 100uF ...

Page 9

... V (V − sat in(min) t on(max) I pk(switch out ripple(pp) and DD057_C -- JUNE 2006 AMC7660 ? + V out F − sat off + off + t ) − t off off - off pk(switch) ...

Page 10

... Plastic DIP 8-Pin Plastic S.O.I. SEATING PLAN Copyright © 2006 ADDtek Corp. PACKAGE AMC7660 INCHES MILLIMETERS MIN TYP MAX MIN TYP A 0.355 0.365 0.400 9.02 9.27 B 0.240 0.250 0.280 6.10 6. 0.210 - - D - 0.018 - - 0. 0.060 - - 1.52 ...

Page 11

... ADDtek assumes to no liability to customer product design or application support. ADDtek warrants the performance of its products to the specifications applicable at the time of sale. ADDtek Corp. 9F, No. 20, Sec. 3, Bade Rd., Taipei, Taiwan, 105 TEL: 2-25700299 FAX: 2-25700196 Copyright © 2006 ADDtek Corp. IMPORTANT NOTICE 11 AMC7660 DD057_C -- JUNE 2006 ...

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