MP7722 MPS, MP7722 Datasheet - Page 4

• Manufacturer Part Number: MP7722
• Description: 2 x 20W Class D Stereo Single Ended Audio Amplifer
• Manufacturer: MPS

PIN FUNCTIONS
TYPICAL PERFORMANCE CHARACTERISTICS
MP7722 Rev. 1.3
9/25/2006
Pin #
17
18
19
20
0.01
0.01
PGND1 Power Ground for Amplifier 1. Connect PGND1 to PGND2. See Figure 1.
100
Name
VDD1
0.1
0.1
10
SW1
20
10
BS1
1
1
20
0.1
f=1KHz
100
Description
High-Side MOSFET Bootstrap Input for Amplifier 1. A capacitor from BS1 to SW1 supplies
the gate drive current to the internal high-side MOSFET. Connect a 1µF capacitor from
SW1 to BS1. See Figure 1.
Power Supply Input. Bypass VDD1 to PGND1 with a 1µF X7R capacitor (in addition to the
main bulk capacitor), placed close to the IC PIN18 and PIN20.
Switched Power Output. SW1 is the output of Amplifier 1. Connect the LC filter to this pin.
See Figure 1.
FREQUENCY (Hz)
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
f=100Hz
(continued)
P
MP7722 – 2 x 20W CLASS D STEREO SINGLE ENDED AUDIO AMPLIFIER
OUT
f=10KHz
1
1K
(W)
10K
10
© 2006 MPS. All Rights Reserved.
www.MonolithicPower.com
0.01
0.01
100
0.1
0.1
20
10
10
1
1
20
0.1
f=1KHz
f=100Hz
100
FREQUENCY (Hz)
P
OUT
1
f=10KHz
(W)
1K
10
10K
4