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| 型号： | MAX5921FESA+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/18页 |
| 文件大小： | 386K |
| 描述： | IC HOT-SWAP CTRLR -48V 8-SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | -20 V ~ -80 V |
| 工作温度： | -40°C ~ 85°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-SOIC |
| 包装： | 管件 |
-48V Hot-Swap Controllers with External
R
SENSE
and High Gate Pulldown Current
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
EE
= 0V, V
DD
= 48V, T
A
= -40癈 to +85癈, unless otherwise noted. Typical values are at T
A
= +25癈, unless otherwise noted.) (Notes 1, 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWRGD OUTPUT SIGNAL (REFERENCED TO DRAIN)
DRAIN Input Current
I
DRAIN
V
DRAIN
= 48V
10
80
250
礎
DRAIN Threshold for PWRGD
V
DL
V
DRAIN
- V
EE
threshold for power-good
condition, DRAIN decreasing
1.1
1.7
2.0
V
GATE High Threshold
V
GH
V
GATE
- V
GATE
, decreasing
1.0
1.6
2.0
V
V
PWRGD
= 80V, V
DRAIN
= 48V
10
PWRGD, PWRGD Output
Leakage
I
OH
V
PWRGD
= 80V, V
DRAIN
= 0V
10
礎
PWRGD Low Voltage
(V
PWRGD
- V
EE
)
V
OL
V
DRAIN
- V
EE
< V
DL
, I
SINK
= 5mA
(A, E versions)
0.11
0.4
V
PWRGD Low Voltage
(V
PWRGD
- V
DRAIN
)
V
OL
V
DRAIN
= 5V, I
SINK
= 5mA (B, F versions)
0.11
0.4
V
OVERTEMPERATURE PROTECTION
Overtemperature Threshold
T
OT TH
Junction temperature, temperature rising
135
癈
Overtemperature Hysteresis
T
HYS
See Thermal Shutdown section
20
癈
AC PARAMETERS
OV High to GATE Low
t
PHLOV
Figures 1a, 2
0.5
祍
UV Low to GATE Low
t
PHLUV
Figures 1a, 3
0.4
祍
OV Low to GATE High
t
PLHOV
Figures 1a, 2
3.3
祍
UV High to GATE High
t
PLHUV
Figures 1a, 3
8.4
ms
SENSE High to GATE Low
t
PHLSENSE
Figures 1a, 4a
1
祍
A, B versions
0.35
0.5
0.65
Current Limit to GATE Low
t
PHLCL
Time from continuous
current limit to GATE
shutdown (see Overcurrent
Fault Integrator section),
Figures 1b, 4b
E, F versions
1.4
2.0
2.6
ms
Figures 1a, 5a; A and E versions
8.2
DRAIN Low to PWRGD Low
DRAIN Low to (PWRGD - DRAIN)
High
t
PHLDL
Figures 1a, 5a; B and F versions
8.2
ms
Figures 1a, 5b; A and E versions
8.2
GATE High to PWRGD Low
GATE High to (PWRGD - DRAIN)
High
t
PHLGH
Figures 1a, 5b; B and F versions
8.2
ms
TURN-OFF
Latch-Off Period
t
OFF
(Note 3)
A, B, E, F versions
128 x
t
PHLCL
ms
Note 1: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to V
EE
,
unless otherwise specified.
Note 2: Gate pulldown current after the current limit to GATE low (t
PHLCL
) time has elapsed.
Note 3: Minimum duration of GATE pulldown following a circuit breaker fault. The MAX5921_ automatically restarts after a circuit
breaker fault. The MAX5939_ is latched off and can be reset by toggling UV low. The GATE pulldown does not release until
t
OFF
has elapsed.
Note 4: The min/max limits are 100% production tested at +25?/SPAN>C and +85?/SPAN>C and guaranteed by design at -40?/SPAN>C.
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| MAX5921FESA+ | 功能描述:热插拔功率分布 48V- Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5921FESA+T | 功能描述:热插拔功率分布 48V- Hot-Swap Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5921FESA-T | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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