Tripath Technology, Inc. - Technical Information
A P P L I C A T I O N / T E S T C I R C U I T
Application / Test Diagram
DB
11DQ09
TA2022
VN10
RB 250Ω
13 VBOOT1
VPP1
+
VPP1
OAOUT1 22
CB
0.1uF
CBAUX
47uF
(Pin 12)
DO
RF
CI
MUR120
20KΩ
LO
3.3uF
+
V5
Processing
&
10uH, 10A
INV1 23
-
10
OUT1
+
RI
VN10
Modulation
DO
MUR120
V5 (Pin 21)
20KΩ
AGND
CO
0.22uF
RZ
6.2Ω, 2W
VNN1
VNN1
RFBA
RFBA
1KΩ
*RFBC
9.1KΩ
(Pin 9)
2.5V
1KΩ
CZ
RL
0.22uF
CA
4Ω or 8Ω
200KΩ
31 FBKOUT1
FBKGND1
0.1uF
27
BIASCAP
30
(Pin 20)
V5
*RFBC
*RFBB
*RFBB
9.1KΩ
CFB
390pF
1.1KΩ 1.1KΩ
5V
MUTE 24
AGND (Pin 20)
V5 (Pin 21)
ROFB
HMUTE
32
1
10KΩ
(Pin 20)
DB
ROFA
to FBKGND1
(Pin30)
11DQ09
50KΩ
VN10
AGND (Pin 20)
RB 250Ω
VBOOT2
Offset Trim
Circuit
VPP2
+
VPP2
(Pin 4)
CB
CBAUX
47uF
OAOUT2 25
INV2 26
DO
0.1uF
MUR120
RF
CI
3.3uF
+
LO
20KΩ
10uH, 10A
V5
Processing
&
7
OUT2
-
VN10
CS
D
MOUR120
+
RI
Modulation
CO
AGND
20KΩ
RZ
6.2Ω, 2W
0.22uF
V5 (Pin 21)
VNN2
(Pin 8)
RFBA
VNN2
0.1uF, 50V
RFBA
1KΩ
1KΩ
CZ
RL
0.22uF
*RFBC
4Ω or 8Ω
9.1KΩ
29 FBKOUT2
28 FBKGND2
RREF
8.25KΩ, 1%
*RFBC
REF 17
*RFBB
*RFBB
9.1KΩ
CFB
560pF
1.1KΩ 1.1KΩ
(Pin 20)
AGND (Pin 20)
V5 (Pin 21)
ROFB
10KΩ
to FBKGND2
ROFA
2
VN10
VNN
21
5V
(Pin28)
50KΩ
V5
CSW
CS
0.1uF,35V
AGND (Pin 20)
0.1uF
Offset Trim
Circuit
20
AGND
VN10GND
3
5
LSW
100uH, 1A
VN10SW
DSW
16
15
VN10
CSW
V5
+
CS
VN10
0.1uF
100uF, 35V
11DQ09
Generator
AGND
VNN
RSWFB
VNN
1KΩ
14 VN10FBK
CSWFB
*RVNNSENSE(VNN1)249KΩ, 1%
VNN
0.1uF,50V
VNN
18
19
VNNSENSE
VPPSENSE
12
*RVPPSENSE(VPP1) 249KΩ, 1%
VPP
VPP
VPP1
+
CHBR
CS
0.1uF,100V
0.1uF, 50V
Cs
VNN1
9
8
220uF, 50V
6
*RVNN2
NC
NC
VNN
V5
V5
VNN2
VPP2
11
+
CHBR
CS
0.1uF,100V
0.1uF, 50V
Cs
4
*RVPP2
220uF, 50V
Analog Ground
Power Ground
Optional Components -
See Application Information
* The values of these components must be
adjusted based on supply voltage range.
See Application Information.
7
TA2022 – KLI/1.2/07-04
TRIPATH [ TRIPATH TECHNOLOGY INC. ]
