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| 型號： | TPS40180RGER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.05 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | GREEN, PLASTIC, VQFN-24 |
| 文件頁數(shù)： | 24/52頁 |
| 文件大?。?/td> | 1291K |
| 代理商： | TPS40180RGER |
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www.ti.com
2
DIFFO
FB
1
5
VSH
7
8
RT
VDD
24
SS
19 CLKIO
21
15
TPS40180
CLK Master
PSEL
2
DIFFO
FB
1
5
VSH
24
19 CLKIO
TPS40180
CLK Slave
COMP
10 kW
2
DIFFO
FB
1
5
VSH
7
8
RT
VDD
24
SS
19 CLKIO
21
15
TPS40180
CLK Slave
PSEL
COMP
7
8
RT
VDD
SS
21
15
PSEL
UDG-07034
SLVS753B – FEBRUARY 2007 – REVISED NOVEMBER 2007
A connection diagram for several controllers sharing phase information and synchronized to each other but
having different output voltages is shown in Figure 32. This is similar to the previous example but here the
controllers are all control loop masters (SS not pulled to VDD) and control their own output voltages
independently. One device is configured as a CLK master (RT not tied to VDD) and is the clock generator for the
CLK slaves. Picking the PSEL resistors is the same as before. overcurrent in this configuration depends on
which controller senses the overcurrent event. If one of the CLK slaves experiences a fault, that converter only
shuts down, and enter the hiccup restart mode. If the CLK master controller senses an overcurrent, it stops
sending CLKIO pulses to the slaves, causing them to stop. The master then enters a hiccup recovery mode.
Figure 32. Phase Share Multiple Output Configuration
30
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TPS40180
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