参数资料
型号: MAX6795TPMD0+T
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions
中文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC20
封装: 5 X 5 MM, 0.80 MM HEIGHT, LEAD FREE, MO-220WHHC, TQFN-20
文件页数: 13/25页
文件大小: 3529K
代理商: MAX6795TPMD0+T
MAX6791–MAX6796
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:
VL-H = VPFI x (1 + R5 / R6 +R5 / R7)
VH-L = VPFI x (1 + R5 / R6 ) + (VPFI - VTERM) [R5 / (R7 +
R8)]
VHYS = VPFI x (R5 / R7 ) - (VPFI - VTERM) [R5 / (R7 +
R8)]
where VL-H is the threshold level for the monitored volt-
age rising and VH-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
35s
D1
3.125ms
D2
12.5ms
D3
50ms
D4
200ms
Table 1. Preset Output Voltage and Reset
Threshold
PART
SUFFIX (_)
OUTPUT
VOLTAGE (V)
RESET THRESHOLD
(NOMINAL)
L
5.0
4.625
M
5.0
4.375
T
3.3
3.053
S
3.3
2.888
Z
2.5
2.313
Y
2.5
2.188
W
1.8
1.665
V
1.8
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
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 is driven high (or allowed to float high by the internal pullup)
while ENABLE/ENABLE1 is low. OUT/OUT1 is turned off and
ENABLE/ENABLE1 and HOLD logic returns to the initial state.
Table 3. ENABLE/ENABLE1 and
HOLD Truth Table/State Table
相关PDF资料
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MAX6795TPMD1+ High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions
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