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參數(shù)資料
| 型號(hào)： | MAX6794TP |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| 中文描述： | 高電壓，微功耗，單/雙履行監(jiān)督職能的線性穩(wěn)壓器 |
| 文件頁數(shù)： | 20/25頁 |
| 文件大?。?/td> | 420K |
| 代理商： | MAX6794TP |
M
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
20
______________________________________________________________________________________
Use the following formulas to determine the high/low
threshold levels and the hysteresis:
V
L-H
= V
PFI
x (1 + R5 / R6 +R5 / R7)
V
H-L
= V
PFI
x (1 + R5 / R6 ) + (V
PFI
- V
TERM
) [R5 / (R7 +
R8)]
V
HYS
= V
PFI
x (R5 / R7 ) - (V
PFI
- V
TERM
) [R5 / (R7 +
R8)]
where V
L-H
is the threshold level for the monitored volt-
age rising and V
H-L
is the threshold level for the moni-
tored voltage falling.
Chip Information
PROCESS: BiCMOS
Table 2. Preset Timeout Period
PART
SUFFIX (_)
RESET TIMEOUT PERIOD
(NOMINAL)
D0
D1
D2
D3
D4
35μs
3.125ms
12.5ms
50ms
200ms
Table
1. Preset Output Voltage and Reset
Threshold
PART
SUFFIX (_)
OUTPUT
VOLTAGE (V)
RESET THRESHOLD
(NOMINAL)
L
M
T
S
Z
Y
W
V
5.0
5.0
3.3
3.3
2.5
2.5
1.8
1.8
4.625
4.375
3.053
2.888
2.313
2.188
1.665
1.575
OPERATING
STATE
ENABLE1/
ENABLE
HOLD
REGULATOR 1
OUTPUT
COMMENT
Initial state
Low
Don’t care
Off
ENABLE/ENABLE1 is pulled to GND through internal pulldown.
OUT/OUT1 is disabled.
Turn-on state
High
Don’t care
On
ENABLE/ENABLE1 is externally driven high turning OUT/OUT1
on.
HOLD
is pulled up to OUT/OUT1.
Hold setup state
High
Low
On
HOLD
is externally pulled low while ENABLE/ENABLE1
remains high, and the regulator latches on.
Hold state
Low
Low
On
ENABLE/ENABLE1 is driven low (or allowed to float low by an
internal pulldown).
HOLD
remains externally pulled low
keeping OUT/OUT1 on.
Off state
Low
High (floats
high)
Off
HOLD
i s d ven hi g h ( or al ow ed to fl oat hi g h b y the i nter nal p ul up
w hi e E N ABLE E N ABLE 1 i s l ow OUT/OUT1 i s tur ned off and
E N ABLE E N ABLE 1 and
HOLD
l og c r etur ns to the i ni i al state.
Table
3. ENABLE/ENABLE1 and
HOLD
Truth
Table
/State
Table
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參數(shù)描述 |
|---|---|
| MAX6794TPLD0+ | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6794TPLD0+T | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6794TPLD1+ | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6794TPLD1+T | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6794TPLD2+ | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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