参数资料
| 型号： | NCV7361ADR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 11/27页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V 50MA 8-SOIC |
| 产品变化通告： | Product Discontinuation 27/Jan/2012 |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 5.25 V ~ 18 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 50mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
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NCV7361A
FUNCTIONAL DESCRIPTION
The NCV7361A consists of a low drop voltage regulator
5.0 V/50 mA and a LIN Bus transceiver, which is a
bidirectional bus interface for data transfer between the
LIN bus and the LIN protocol controller.
Additionally, the NCV7361A features a RESET output
with a reset delay of 100 ms and a fixed threshold of 4.65 V
and Enable (EN) control for the regulator.
Operating Modes
The NCV7361A provides two main operating modes
“normal” and “sleep” and the intermediate states “POR”,
“Ini ? state” and “thermal shutdown”. The main modes are
fixed states defined by basic actions (V SUP start, EN or
wake ? up). The intermediate states are soft states. They
aren’t defined by logical actions but by changes of voltage
(V SUP , V OUT ) or junction temperature.
V SUP POWER ON
Clear All State ? FF
Clear RESET Timer
POR
V SUP > UVR_OFF
V SUP < UVR_ON
Ini ? state
Regulator ON V OUT Ramp Up
RESET = L
Wake ? Up Disabled
V OUT > V RES (4.65 V)
V SUP < UVR_ON
V OUT < V RES
EN = H
Regulator ON
RESET = L after 100 ms
V SUP > UVR_OFF and
(EN = L/H or Bus Wake ? Up)
EN = H/L
Normal Mode and
Normal
Mode
RESET = H
Wake ? Up Disabled
LIN Transceiver ON
EN = L
Sleep
Mode
Sleep Mode and
T J < T JREC
Sleep Mode and
T J < T JREC
Normal Mode and
T J > T JSHD
Regulator OFF
Wake ? Up Enabled (LIN Receiver ON)
LIN Transmitter OFF
T J < T JSHD
Thermal
Shutdown
Regulator OFF
Wake ? Up Disabled
LIN Transceiver OFF
T J < T JREC
Figure 15. State Diagram of Operating Modes
Normal Mode
The whole NCV7361A is active. Switching to normal
mode can be done via the following actions:
? Start of V SUP or after Undervoltage Reset
? Rising Edge at EN (EN = High) (Local Wake ? Up)
? Activity on the LIN Bus (Remote Wake ? Up)
Sleep Mode
Sleep mode is most current saving. With a falling edge
on EN (EN = Low) the NCV7361A is switched from
normal mode into sleep mode. The voltage regulator will
be switched off and the LIN transceiver is in
recessive state.
http://onsemi.com
11
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