LTC1693-3CMS8 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC1693-3CMS8 Datasheet PDF : 20 Pages
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LTC1693
TYPICAL APPLICATION
R1
6.2k
VCC = 5V
13
C1
390pF
14
74HC14
7
VCC = 5V
C3
C4
0.1µF
1µF
C2
0.1µF
12
10 14 13
PRESET CLR
11
9
Q
74HC74
12
8
D
Q
GND
7
Isolated Push-Pull DC/DC Converter
VCC = 5V
+ C6
330µF
6.3V
T1A 1 •
24T
#32 2
T1B 1 •
24T
#32 2
C7
2.2nF
R3 100V
10Ω
• 9 T1E
24T
8 #28
D1
MBR340
8
1
7
LTC1693-2
2
6
3
5
LTC1693-2
4
Q1
Si4410
Q2
Si4410
R2
10Ω
C5
2.2nF
100V
×2
T1C 3 •
24T
#32 4
T1D 3 •
24T
#32 4
• 9 T1F
24T
8 #28
D2
MBR340
R4
10Ω
C8
2.2nF
100V
T1: PHILIPS CPHS-EFD20-1S-10P
FIRST WIND T1A AND T1C BIFILAR,
THEN WIND T1E AND T1F BIFILAR,
THEN WIND T1B AND T1D BIFILAR
L1
1µH
+
VOUT
12V
C9 1A
270µF
25V
×3
Output Voltage
14
VCC = 5V
12
10
8
6
4
2
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT CURRENT (A)
1693 F05b
Efficiency
100
VCC = 5V
90
80
70
60
50
40
30
20
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUTPUT CURRENT (A)
1693 F05c
1693 F05a
RELATED PARTS
PART NUMBER
LTC1154
LTC1155
LTC1156
LTC1157
LT®1160/LT1162
LT1161
LTC1163
LT1339
LTC1435
DESCRIPTION
High Side Micropower MOSFET Drivers
Dual Micropower High/Low Side Drivers with
Internal Charge Pump
Dual Micropower High/Low Side Drivers with
Internal Charge Pump
3.3V Dual Micropower High/Low Side Driver
Half/Full Bridge N-Channel Power MOSFET Driver
Quad Protected High Side MOSFET Driver
Triple 1.8V to 6V High Side MOSFET Driver
High Power Synchronous DC/DC Controller
High Efficiency, Low Noise Current Mode
Step-Down DC/DC Controller
20 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
COMMENTS
Internal Charge Pump, 4.5V to 48V Supply Range, tON = 80µs, tOFF = 28µs
4.5V to 18V Supply Range
4.5V to 18V Supply Range
3.3V or 5V Supply Range
Dual Driver with Topside Floating Driver, 10V to 15V Supply Range
8V to 48V Supply Range, tON = 200µs, tOFF = 28µs
1.8V to 6V Supply Range, tON = 95µs, tOFF = 45µs
Current Mode Operation Up to 60V, Dual N-Channel Synchronous Drive
3.5V to 36V Operation with Ultrahigh Efficiency, Dual N-Channel MOSFET
Synchronous Drive
1693fa LT/TP 1000 2K REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1999
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