LT1684IN Linear Technology, LT1684IN Datasheet - Page 16

• Manufacturer Part Number: LT1684IN
• Description: IC RING TONE GENERATOR 14-DIP
• Manufacturer: Linear Technology

Specifications of LT1684IN

• Function: Tone Generator
• Number Of Circuits: 1
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Supply: -
• Voltage - Supply: -
• Power (watts): -
• Interface: -

LT1684
TYPICAL APPLICATIO
INPUT
16
RELATED PARTS
PART NUMBER
LT1082
LT1166
LTC1177-5/LTC1177-12
LT1270
LT1271
LT1339
LT1676
PWM
V
5V
–
IN
+
C3 100pF
C4 20pF
100pF
C1
100pF
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
10k
R4
C2
IN B
COMP1
COMP2
LIM
V
GATE
AT
–
REF
–
LT1684
–
AMPIN
BG
GATE
LIM
IN A
OUT
OUT
V
+
+
+
DESCRIPTION
1A High Voltage Switching Regulator
Power Output Stage Automatic Bias System
Isolated MOSFET Drivers
8A Power Switching Regulator
4A Power Switching Regulator
High Power Synchronous DC/DC Controller
Wide Input Range, High Efficiency, Step-Down Switching Regulator
1N4001
FB1
FB1: FERRONICS FMB1601
10k
R2
R3
5k
D1
1 F
C8
U
300k
R5
R6
3k
4700pF
5V Input Nonisolated 5 REN Ring Generator
DS2
D1N5817
R1
2k
C5
[phone]
R7
100
M2
IRF9610
100k
R10
100V
R9
100k
100
C7
6.8nF
160V
C6
6.8nF
160V
C13 0.1 F
R8
IRF610
M1
+
+
MURS160T3
MURS160T3
–100V
C11
0.47 F
160V
C10
0.47 F
160V
D2
D3
DZ1
60V
MMSZ5264BT1
MBRS1100
R16
1M
DS1
COILTRONICS
CTX 14468-X1
12
10
9
7
•
•
T1
•
COMMENTS
V
Sets Class AB Bias Currents, Eliminates Adjustments
and Thermal Runaway
2500V
V
V
Operation Up to 60V, Output Current Up to 50A
Operation Up to 60V, 100kHz, Up to 500mA Output
4, 5
1, 2
IN
IN
IN
4
1
R11
470
RING TONE
OUT
C9
0.1 F
= 3V to 75V, SW Voltage = 100V
= 3.5V to 30V, I
= 3.5V to 30V, I
SW
V
C
LT1271
RMS
+
GND
U1
R15
12k
3
V
Isolation, UL Recognized
FB
C12
220 F
35V
IN
5
2
D1N4148
D4
LINEAR TECHNOLOGY CORPORATION 1999
R12
5k
Q
Q
1684f LT/TP 0300 4K • PRINTED IN USA
= 7mA
= 7mA
1
2
3
4
OUT A
–IN A
+IN A
V
EE
LT1211
OUT B
–IN B
+IN B
V
CC
8
7
6
5
D1N4148
D5
1684 TA02
R14
1M
R13
12k