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參數(shù)資料
| 型號： | TPS70802PWP |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 線性穩(wěn)壓 |
| 英文描述： | DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS |
| 中文描述： | 兩用低壓差電壓帶的劈開SVS的系統(tǒng)集成穩(wěn)壓器的輸出電壓 |
| 文件頁數(shù)： | 14/29頁 |
| 文件大?。?/td> | 449K |
| 代理商： | TPS70802PWP |
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MR
VOUT2
VIN1
VIN2
EN1
EN2
VOUT1
VSENSE1
PG1
RESET
PG2
MR
VSENSE2
VOUT2
VIN
VOUT1
PG2
0.1
F
RESET
10
F
10
F
0.1
F
EN1
2 V
0.7 V
TPS708xxPWP
(Fixed Output Option)
>2 V
<0.7 V
EN2
250 k
>2 V
<0.7 V
TPS70845, TPS70848, TPS70851, TPS70858, TPS70802
DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS
WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS
SLVS301B – JUNE 2000 – REVISED OCTOBER 2002
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
application conditions not shown in block diagram:
VIN1 and VIN2 are tied to the same fixed input
voltage greater than VUVLO. MR is initially logic
high but is eventually toggled.
explanation of timing diagrams:
EN1 and EN2 are initially high; therefore, both
regulators are off, and PG1 and PG2 are at logic
low. Since VIN1 is greater than VUVLO and MR is
at logic high, RESET is also at logic high. When
EN2 is taken to logic low, VOUT2 turns on. Later,
when EN1 is taken to logic low, VOUT1 turns on.
When VOUT2 reaches 95% of its regulated output
voltage, PG2 goes to logic high. When VOUT1
reaches 95% of its regulated output voltage, PG1
goes to logic high. When MR is taken to logic low,
RESET is taken low. When MR returns to logic
high, RESET returns to logic high after a 120 ms
delay.
95%
t1
EN2
VOUT2
VOUT1
PG2
MR
PG1
RESET
95%
120ms
EN1
NOTES: A. t1 – Time at which VIN is greater than VUVLO and MR is logic high.
B. The timing diagrams are not drawn to scale.
Figure 35. Timing When MR Is Toggled
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS70802PWP | 制造商:Texas Instruments 功能描述:IC DUAL ADJ LDO 20-HTSSOP 制造商:Texas Instruments 功能描述:IC, DUAL ADJ LDO 20-HTSSOP |
| TPS70802PWPG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70802PWPR | 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70802PWPRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO Dual-Output LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TPS70845 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL-OUTPUT LOW-DROPOUT VOLTAGE REGULATORS WITH INTEGRATED SVS FOR SPLIT VOLTAGE SYSTEMS |
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