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参数资料
| 型号： | MAX6765TTLD3+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Automotive Micropower Linear Regulators with Supervisor |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO6 |
| 封装： | 3 X 3 MM, 0.80 MM HIEGHT, LEAD FREE, MO-229WEEA, TDFN-6 |
| 文件页数： | 7/46页 |
| 文件大小： | 628K |
| 代理商： | MAX6765TTLD3+T |
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MAX6765–MAX6774
Automotive Micropower Linear Regulators
with Supervisor
______________________________________________________________________________________
15
Regulator
The regulator accepts an input voltage from +4V to +72V.
All of the devices feature fixed output-voltage options of
+1.8V, +2.5V, +3.3V, and +5V. The MAX6767-MAX6774B
feature an adjustable output voltage set with an external
resistive-divider network connected between OUT, SET,
and GND. See Figure 1.
Enable and Hold Inputs
(MAX6767/MAX6768)
The MAX6767/MAX6768 support two logic inputs,
ENABLE (active-high) and HOLD (active-low), making
these devices “automotive friendly.” For example, when
the ignition key signal drives ENABLE high, the regulator
turns on and remains on even if ENABLE goes low, as
long as HOLD is forced low and kept low before
ENABLE goes low. In this state, releasing HOLD turns
the regulator output (OUT) off. This feature makes it pos-
sible to implement a self-holding circuit without external
components. Forcing ENABLE low with HOLD high (or
unconnected) places the MAX6767/MAX6768 into shut-
down mode, drawing 3.3A (typ) of supply current.
Table 3 shows the state of the regulator output with
respect to the voltage level at ENABLE and HOLD.
Connect HOLD to OUT or leave it unconnected to allow
the ENABLE input to act as a standard enable/shut-
down switch for the regulator output (OUT).
Reset Output
The reset output is typically connected to the reset
input of a P. A P’s reset input starts or restarts the P
in a known state. The MAX6765–MAX6774B superviso-
ry circuits provide the reset logic to prevent code-exe-
cution errors during power-up, power-down, and
brownout conditions (see the Typical Application
Circuit). RESET changes from high to low whenever the
monitored voltage drops below the reset threshold volt-
ages. Once the monitored voltage exceeds its respec-
tive reset threshold voltage(s), RESET remains low for
the reset timeout period, then goes high. See Table 1.
RESETIN Threshold (MAX6769/MAX6770)
The MAX6769/MAX6770 monitor the voltage on RESETIN
using an adjustable reset threshold (VRESETIN) set with
an external resistive voltage-divider and the internal reset
threshold VTH. See Table 2.
MAX6767–MAX6774B
SET
R1
R2
GND
IN
VIN
OUT
Figure 1. Setting the Output Voltage Using a Resistive Divider
PART NUMBER
SUFFIX (_)
OUTPUT
VOLTAGE (V)
RESET
THREHOLD (V)
L
5
4.625
M
5
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
Table 2. Preset Output Voltage and Reset
Threshold
PART NUMBER
SUFFIX (_)
TIMEOUT
PERIOD
D0
75s
D1
3.125ms
D2
12.5ms
D3
50ms
D4
200ms
Table 1. Preset Timeout Period
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PDF描述 |
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| MAX6765TTLD4+ | Automotive Micropower Linear Regulators with Supervisor |
| MAX6765TTLD4+T | Automotive Micropower Linear Regulators with Supervisor |
| MAX6765TTMD0+ | Automotive Micropower Linear Regulators with Supervisor |
| MAX6765TTMD0+T | Automotive Micropower Linear Regulators with Supervisor |
| MAX6765TTMD1+ | Automotive Micropower Linear Regulators with Supervisor |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6765TTLD4+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 6TDFN EP - Rail/Tube |
| MAX6765TTLD4+T | 功能描述:线性稳压器 - 标准 uPower Linear Regulator RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX6765TTMD0+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 6TDFN EP - Rail/Tube |
| MAX6765TTMD0+T | 功能描述:线性稳压器 - 标准 uPower Linear Regulator RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX6765TTMD1+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 6TDFN EP - Rail/Tube |
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