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參數(shù)資料
| 型號(hào)： | MAX5949BESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Dual D-type Positive-Edge-Triggered Flip-Flops With Preset And C 14-CDIP -55 to 125 |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大?。?/td> | 269K |
| 代理商： | MAX5949BESA |
M
-48V Hot-Swap Controllers
with External R
SENSE
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
EE
= 0V, V
DD
= 48V, T
A
= -40°C to +85°C. Typical values are at T
A
= +25°C, unless otherwise noted.) (Notes 2, 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWRGD OUTPUT SIGNAL REFERENCED TO DRAIN
DRAIN Input Bias Current
I
DRAIN
V
DRAIN
= 48V
V
DRAIN
- V
EE
threshold for power-good
condition, DRAIN decreasing
10
80
250
μA
D RAIN Thr eshol d for P ow er G ood
V
DL
1.1
1.4
2.0
V
GATE High Threshold
V
GH
V
GATE
- V
GATE
threshold for power-good
condition,
V
GATE
- V
GATE
decreasing
1.0
1.4
2.0
V
PWRGD,
PWRGD
Output
Leakage
I
OH
PWRGD
(MAX5949A) = 80V, V
DRAIN
= 48V,
PWRGD (MAX5949B) = 80V, V
DRAIN
= 0V
10
μA
PWRGD
Output Low Voltage
V
OL
V
PWRGD
- V
EE
; V
DRAIN
- V
EE
< V
DL
,
I
SINK
= 5mA (MAX5949A)
0.11
0.4
V
PWRGD Output Low Voltage
V
OL
V
PWRGD
- V
DRAIN
; V
DRAIN
= 5V,
I
SINK
= 5mA (MAX5949B)
0.11
0.4
V
AC PARAMETERS
OV High to GATE Low
UV Low to GATE Low
OV Low to GATE High
UV High to GATE High
SENSE High to GATE Low
Current Limit to GATE Low
t
PHLOV
t
PHLUV
t
PLHOV
t
PLHVL
t
PHLSENSE
t
PHLCB
Figures 2a, 3
Figures 2a, 4
Figures 2a, 3
Figures 2a, 4
Figures 2a, 5a
Figures 2b, 5b
0.5
0.4
4
5.5
1
500
μs
μs
μs
μs
μs
μs
3
350
650
MAX5949A, Figures 2a, 6a
1.8
DRAIN Low to
PWRGD
Low
DRAIN Low to (PWRGD - DRAIN)
High
t
PHLDL
MAX5949B, Figures 2a, 6a
3.4
μs
MAX5949A, Figures 2a, 6b
1.6
GATE High to
PWRGD
Low
GATE High to (PWRGD - DRAIN)
High
t
PHLGH
MAX5949B, Figures 2a, 6b
2.5
μs
TURN-OFF
Latch-Off Period
t
OFF
(Note 4)
51
64
78
ms
Note 2:
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.
Current into V
DD
with UV = 3V, OV = DRAIN = PWRGD = SENSE = V
EE
, GATE = floating.
Minimum duration of GATE pulldown following a circuit-breaker fault. The circuit breaker can be reset during this time by
toggling UV low, but the GATE pulldown does not release until t
OFF
has elapsed.
Limits are 100% tested at T
A
= +25°C and +85°C. Limits at -40°C are guaranteed by design.
Note 3:
Note 4:
Note 5:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5949BESA+ | 功能描述:熱插拔功率分布 48V- Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5949BESA+T | 功能描述:熱插拔功率分布 48V- Hot-Swap Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5949BESA-T | 功能描述:熱插拔功率分布 RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MAX5950ETJ | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX5950ETJ+ | 功能描述:電壓模式 PWM 控制器 12V PWM Controller w/Hot-Swap RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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