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參數(shù)資料
| 型號： | V62/04645-02XE |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30 |
| 封裝： | GREEN, TSSOP-30 |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 477K |
| 代理商： | V62/04645-02XE |
TPS5120EP
DUAL OUTPUT, TWOPHASE SYNCHRONOUS BUCK DC/DC CONTROLLER
SGLS224A JANUARY 2004 REVISED APRIL 2006
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Table 1. Logic Chart
5V_STBY
STBY1
STBY2
SMPS1
SMPS2
5 V REGULATOR
POWERGOOD
L
Disable
L
H
Disable
Enable
Active
L
H
L
Enable
Disable
Enable
Active
L
H
Enable
Active
H
L
Disable
Enable
L
H
L
H
Disable
Enable
Active
H
L
Enable
Disable
Enable
Active
H
Enable
Active
PG is set high during a softstart.
POWERGOOD timing sequence
POWERGOOD
STBY1
STBY2
INV1
INV2
H
L
H
L
H
L
0.91 V
0.85 V
0.78 V
0 V
0.91 V
0.85 V
0.78 V
0 V
TSS
During a softstart, this channel’s powergood comparator output is fixed low (POWERGOOD output is high).
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