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参数资料
| 型号： | MAX16024PTBZ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY BACKUP ADJ 10TDFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 备份管理 |
| 电池化学： | 所有电池类型 |
| 电源电压： | 1.53 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
Battery-Backup Circuits with
Regulated Output Voltage
V IN
+5V
Replacing the Backup Battery
When V CC is above V TH , the backup power source can
R1
0.1 μ F
be removed without danger of triggering a reset pulse.
The device does not enter battery-backup mode when
( )
( ) x ( R1R2 +
)
R2
C1*
PFI
V CC
V TRIP = V PFT x R1 + R2
R2
V H = V PFT + V PFI - HYS
R1 + 1
R3
V CC stays above the reset threshold voltage.
Negative-Going V CC Transients
The MAX16023/MAX16024 are relatively immune to
(
) +V
R3
MAX16023
V L = R1 x V PFT - V CC
R2
-V PFT
R3
PFT
short duration, negative-going V CC transients.
Resetting the μP when V CC experiences only small
+5V
TO μ P
PFO
GND
WHERE V PFT IS THE POWER-FAIL
THRESHOLD VOLTAGE.
glitches is usually not desirable. A 0.1μF bypass
capacitor mounted close to the V CC pin provides addi-
tional transient immunity.
Capacitor Selection and
Regulator Stability
PFO
0
For stable operation, connect a low-ESR 10μF (min) out-
V L
V TRIP V H
V IN
*OPTIONAL
put capacitor from OUT to GND. To reduce noise and
Figure 5. Adding Hysteresis to the Power-Fail Comparator
improve load-transient response and power-supply rejec-
tion, use larger output capacitor values.
Operation Without a Backup
Power Source
The MAX16023/MAX16024 provide battery-backup
functions. If a backup power source is not used, con-
nect BATT to GND.
Part Number Table
RESET
REGULATED
RESET
REGULATED
PART
OUTPUT
TYPE
THRESHOLD
VOLTAGE
OUTPUT
VOLTAGE
PART
OUTPUT
TYPE
THRESHOLD
VOLTAGE
OUTPUT
VOLTAGE
(V)
(V)
(V)
(V)
MAX16023LTAL12+T
MAX16023LTAL18+T
MAX16023LTAL25+T
MAX16023LTAL33+T
MAX16023LTAM12+T
MAX16023LTAM18+T
MAX16023LTAM25+T
MAX16023LTAM33+T
MAX16023LTAT12+T
MAX16023LTAT18+T
MAX16023LTAT25+T
MAX16023LTAS12+T
MAX16023LTAS18+T
MAX16023LTAS25+T
MAX16023LTAR12+T
MAX16023LTAR18+T
MAX16023LTAR25+T
MAX16023LTAZ12+T
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
4.63
4.63
4.63
4.63
4.38
4.38
4.38
4.38
3.08
3.08
3.08
2.93
2.93
2.93
2.63
2.63
2.63
2.32
1.2
1.8
2.5
3.3
1.2
1.8
2.5
3.3
1.2
1.8
2.5
1.2
1.8
2.5
1.2
1.8
2.5
1.2
MAX16024LTBL12+T
MAX16024LTBL18+T
MAX16024LTBL25+T
MAX16024LTBL33+T
MAX16024LTBM12+T
MAX16024LTBM18+T
MAX16024LTBM25+T
MAX16024LTBM33+T
MAX16024LTBT12+T
MAX16024LTBT18+T
MAX16024LTBT25+T
MAX16024LTBS12+T
MAX16024LTBS18+T
MAX16024LTBS25+T
MAX16024LTBR12+T
MAX16024LTBR18+T
MAX16024LTBR25+T
MAX16024LTBZ12+T
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Push-Pull
4.63
4.63
4.63
4.63
4.38
4.38
4.38
4.38
3.08
3.08
3.08
2.93
2.93
2.93
2.63
2.63
2.63
2.32
1.2
1.8
2.5
3.3
1.2
1.8
2.5
3.3
1.2
1.8
2.5
1.2
1.8
2.5
1.2
1.8
2.5
1.2
14
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|---|---|
| MAX16025TE+ | 功能描述:监控电路 Dual/Triple/Quad Sequencng/Suprvisory 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 |
| MAX16025TE+T | 功能描述:监控电路 Dual/Triple/Quad Sequencng/Suprvisory 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 |
| MAX16026TE+ | 功能描述:监控电路 Dual/Triple/Quad Sequencng/Suprvisory 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 |
| MAX16026TE+T | 功能描述:监控电路 Dual/Triple/Quad Sequencng/Suprvisory 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 |
| MAX16027TP+ | 功能描述:监控电路 Dual/Triple/Quad Sequencng/Suprvisory 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 |
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