参数资料
型号: TS4604IPT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 0.065 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28
封装: 0.65 MM PITCH, ROHS COMPLIANT, TSSOP-28
文件页数: 15/31页
文件大小: 644K
代理商: TS4604IPT
Application information
TS4604
22/31
Doc ID 17913 Rev 1
For example, to obtain Vuvp = 3.3 V with a hysteresis of 200 mV:
R1 = 1 k
Ω
R2 = 1.6 k
Ω
R3 = 15 k
Ω
Figure 49.
External UVLO
Figure 50.
Hysteresis of the external UVLO
When the external sense voltage (ESV) increases, the TS4604 stays in standby mode until
the EUVP pin reaches 1.25 V (voltage across the divider R1, R2). At this point, the TS4604
starts, as does the internal 5 A current source connected to the EUVP pin. Thanks to this
5 A current, a voltage drop is created across the R3 resistor.
15 k
R3
1.6 k
R2
1 k
R1
Precision
band gap
1.25 V
+
5 A
TS4604
-
External sense voltage
Vcc
AM06143
Icc
External sense
voltage
VHyst
Vuvp
AM06144
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