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参数资料
| 型号： | MAX4959ELB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/17页 |
| 文件大小： | 0K |
| 描述： | IC CTLR HI VOLTAGE OVP 10-UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 过压保护控制器 |
| 应用： | PC，PDA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN |
| 供应商设备封装： | 10-uDFN（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX4959ELB+TDKR |
MAX4959/MAX4960
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +19V, TA = -40°C to +85°C, unless otherwise noted, CVDD = 100nF. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GATE1 Leakage Current
G1ILKG
VOVS > OVREF, VUVS < UVREF, or VCB = +5V
-1
+1
A
GATE2 Leakage Current
G2ILKG
VCB = 0V
-1
+1
A
CB
Logic-Level High
VIH
1.5
V
Logic-Level Low
VIL
0.4
V
CB Pulldown Resistor
RCBPD
123
M
Ω
TIMING
Debounce Time
tDEB
VOVP > VIN > VUVP for greater than tDEB for
GATE1 to go low
10
25
40
ms
GATE1 Assertion Delay from
CB Pin
t1GATE
CB = +3V to 0
rise time = fall time = 5ns (Note 3)
50
ns
GATE2 Assertion Delay from
CB Pin
t2GATE
CB = 0 to +3V
rise time = fall time = 5ns (Note 3)
50
ns
Blanking Time
tBLANK
10
25
40
ms
MAX4960
SOURCE1/GATE1 Resistance
RSG
(MAX4960)
140
200
260
k
Ω
GATE1/Ground Resistance
RGG
GATE1 Asserted (MAX4960)
140
200
260
k
Ω
Note 1: Operation is tested at TA= +25°C and guaranteed by design for DFN package. Operation over specified temperature range
is tested for MAX package.
Note 2: Do not exceed absolute maximum rating; the ratio between the externally set OVLO and UVLO threshold must not exceed 4,
[OVLO/UVLO]MAX ≤ 4.
Note 3: Assertion delay starts from switching of CB pin to reaching of 80% of GATE1/GATE2 transition. This delay is measured without
external capacitive load.
High-Voltage OVP with Battery Switchover
_______________________________________________________________________________________
3
POWER-UP RESPONSE
(RPULLUP = 1k
Ω)
MAX4959/60
toc01
TIME (
μs)
VOLTAGE
(V)
100
50
0
-50
-100
0
2
4
6
8
10
12
-2
-150
150
VIN
VDD
VGATE1
OVERVOLTAGE RESPONSE
(RPULLUP = 5k
Ω)
MAX4959/60
toc02
TIME (
μs)
VOLTAGE
(V)
100
50
0
-50
-100
5
10
15
20
25
30
0
-150
150
VIN
VDD
VGATE1
UNDERVOLTAGE RESPONSE
(WITHIN BLANKING TIME)
(RPULLUP = 1k
Ω)
MAX4959/60
toc03
TIME (
μs)
VOLTAGE
(V)
60
50
10
20
30
40
2
4
6
8
10
12
14
16
0
070
DRAIN OF P1
VIN
VGATE1
Typical Operating Characteristics
(VOVLO = 22.2V and VUVLO = 10.1V, R1 = 887kΩ, R2 = 66.5kΩ, R3 = 54.9kΩ, all resistors 1%, OVREF = UVREF = 1.228V.)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4959EUB+ | 功能描述:电流和电力监控器、调节器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4959EUB+T | 功能描述:电流和电力监控器、调节器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX495C/D | 功能描述:运算放大器 - 运放 Single Micropower Single-Supply Rail-to-Rail Op Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX495C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX495CPA | 功能描述:运算放大器 - 运放 Single uPower Single Supply Rail-Rail RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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