HV461FG-G Supertex, HV461FG-G Datasheet - Page 7

• Manufacturer Part Number: HV461FG-G
• Description: Telephone Ringers Controller IC
• Manufacturer: Supertex

Specifications of HV461FG-G

• Function: Telecom Ringer
• Mounting Style: SMD/SMT
• Operating Supply Voltage: 4.75 V to 5.25 V
• Product: Telecom Ringer
• Package / Case: TQFP-48
• Frequency: 12 Hz, 16.66 Hz, 20 Hz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Primary Target Application: Generator Circuit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Switch Outputs
X = don’t care, ≠00 = 01,10, or 11
Figure 1: Switch Timing Diagram
Figure 2: ENABLE and SYNC Timing - SYNCMODE = 0
ENABLE
0
0
1
SINE REF
ErrAmp
ENABLE
SW1
SW2
SW3
SW4
SYNC
AMP
≠00
XX
00
t
DLY
Siezed
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
OFF
t
XX
XX
XX
ON
On
On
Off
Off
SYNC(ON)
Switching
SW1
Off
Off
Free
7
t
DB
t
DLY
●
Switching
Off
On
On
Off
Tel: [phone]
SW2
Off
Off
t
DB
t
OFF
●
Switching
Switching
Siezed
www.supertex.com
Decay time
dependent on
value of cap
connected to
SINEREF.
SW3
Off
Switching
Switching
SW4
HV461
Off