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参数资料
| 型号： | MAX16037PLA23+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/21页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY BACKUP 2.32V 8-UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.32V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN |
| 供应商设备封装： | 8-uDFN（2x2） |
| 包装： | 带卷 (TR) |
Low-Power Battery Backup
Circuits in Small μDFN Packages
Pin Description
PIN
MAX16033–
MAX16036
(10-pin μDFN)
MAX16037–
MAX16040
(8-pin μDFN)
NAME
FUNCTION
Active-Low Reset Output. RESET remains low when V CC is below the reset
threshold (V TH ), the manual-reset input is low, or RESETIN is low. It asserts low in
pulses when the internal watchdog times out. RESET remains low for the reset
1
1
RESET
timeout period (t RP ) after V CC rises above the reset threshold, after the manual-reset
input goes from low to high, after RESETIN goes high, or after the watchdog triggers
a reset event. The MAX160_ _L is an active-low push-pull output, while the
MAX160_ _P is an active-low open-drain output.
2
3
4
—
2
3
CE IN
PFI
GND
Chip-Enable Input. The input to the chip-enable gating circuit. Connect to GND or
OUT if not used.
Power-Fail Input. PFO goes low when V PFI falls below 1.235V.
Ground
Manual-Reset Input (MAX16033/MAX16037). Driving MR low asserts RESET . RESET
MR
remains asserted as long as MR is low and for the reset timeout period (t RP ) after
MR transitions from low to high. Leave unconnected, or connect to V CC if not used.
MR has an internal 20k ? pullup to V CC .
Watchdog Input (MAX16034/MAX16038 ) . If WDI remains high or low for longer than
5
4
WDI
BATTON
the watchdog timeout period (t WD ), the internal watchdog timer runs out and a reset
pulse is triggered for the reset timeout period (t RP ). The internal watchdog clears
whenever RESET asserts or whenever WDI sees a rising or falling edge (Figure 2).
Battery-On Output (MAX16035/MAX16039). BATTON goes high during battery
backup mode.
Reset Input (MAX16036/MAX16040). When RESETIN falls below 1.235V, RESET
RESETIN
asserts. RESET remains asserted as long as RESETIN is low and for at least t RP
after RESETIN goes high.
Active-Low Power-Fail Output. PFO goes low when V PFI falls below 1.235V. PFO
6
5
PFO
stays low until V PFI goes above 1.235V. PFO also goes low when V CC falls below
the reset threshold voltage.
7
8
6
7
V CC
OUT
Supply Voltage, 1.2V to 5.5V
Output. OUT sources from V CC when RESET is not asserted and from the greater of
V CC or BATT when V CC is below the reset threshold voltage.
Backup Battery Input. When V CC falls below the reset threshold, OUT switches to
9
8
BATT
BATT if V BATT is 40mV greater than V CC . When V CC rises above V BATT , OUT
switches to V CC . The 40mV hysteresis prevents repeated switching if V CC falls
slowly.
Chip-Enable Output. CE OUT goes low only when CE IN is low and reset is not
10
—
CE OUT
asserted. When CE OUT is disconnected from CE IN, CE OUT is actively pulled up to
OUT.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16037PLA26+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 2.63V 8PIN UDFN - Rail/Tube |
| MAX16037PLA26+T | 功能描述:监控电路 Battery Backup 2.63V RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX16037PLA29+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX16037PLA29+T | 功能描述:监控电路 Battery Backup 2.93V RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX16037PLA31+ | 制造商:Maxim Integrated Products 功能描述:VOLT SUPERVISOR MONITOR 3.08V 8PIN UDFN - Bulk |
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