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参数资料
| 型号： | MAX16023LTAM12+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC BATTERY BACKUP 1.2V 8TDFN-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： | 8-WDFN 裸露焊盘 |
| 供应商设备封装： | 8-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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16023LTAM18+T | 功能描述:电池管理 Battery Backup 1.8V-Ep RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX16023LTAM25+T | 功能描述:电池管理 Battery Backup 3.3V-Ep RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX16023LTAM33+T | 功能描述:电池管理 Battery Backup 3.3V-Ep RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX16023LTAR12+T | 功能描述:电池管理 Battery Backup 1.2V-Ep RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX16023LTAR18+T | 功能描述:电池管理 Battery Backup 1.8V-Ep RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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