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參數(shù)資料
| 型號(hào)： | LM5025A |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Active Clamp Voltage Mode PWM Controller |
| 中文描述： | 有源鉗位電壓模式PWM控制器 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 698K |
| 代理商： | LM5025A |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
to GND
V
CC
to GND
CS1, CS2 to GND
All other inputs to GND
ESD Rating (Note 2)
-0.3V to 105V
-0.3V to 16V
-0.3 to 1.00V
-0.3 to 7V
Human Body Model
Storage Temperature Range
Junction Temperature
2kV
-55C to 150C
150C
Operating Ratings
(Note 1)
V
IN
Voltage
External Voltage Applied to V
CC
Operating Junction Temperature
13 to 90V
8 to 15V
-40C to +125C
Electrical Characteristics
Specifications with standard typeface are for T
= 25C, and those with
boldface
type apply over full
Operating Junction
Temperature range
. V
IN
= 48V, V
CC
= 10V, RT = 31.3k
, R
SET
= 27.4k
) unless otherwise stated (Note 3)
Symbol
Parameter
Conditions
Startup Regulator
V
CC
Reg
V
CC
Regulation
No Load
V
CC
Current Limit
(Note 4)
I-V
IN
Startup Regulator
Leakage (external Vcc
Supply)
V
CC
Supply
V
CC
Under-voltage
Lockout Voltage
(positive going V
cc
)
V
CC
Under-voltage
Hysteresis
V
CC
Supply Current
(I
CC
)
Reference Supply
V
REF
Ref Voltage
I
REF
= 0 mA
Ref Voltage
Regulation
Ref Current Limit
Current Limit
CS1 Prop
CS1 Delay to Output
CS1 Step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
C
gate
= 0
CS2 Prop
CS2 Delay to Output
CS2 Step from 0 to 0.6V
Time to onset of OUT
Transition (90%)
C
gate
= 0
Cycle by Cycle
Threshold Voltage
(CS1)
Cycle Skip Threshold
Voltage (CS2)
restart
Leading Edge
Blanking Time (CS1)
CS1 Sink Impedance
(clocked)
CS1 Sink Impedance
(Post Fault Discharge)
Min
Typ
Max
Units
7.3
20
7.6
25
165
7.9
V
mA
μA
V
IN
= 100V
500
V
CC
Reg -
220mV
V
CC
Reg -
120mV
V
1.0
1.5
2.0
V
C
gate
= 0
4.2
mA
4.85
5
25
5.15
50
V
I
REF
= 0 to 10mA
mV
10
20
mA
40
ns
50
ns
0.45
0.5
0.55
V
Resets SS capacitor; auto
0.45
0.5
0.55
V
50
ns
CS1 = 0.4V
30
50
CS1 = 0.6V
15
30
L
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| LM5025AEVAL | 功能描述:BOARD EVALUATION LM5025A RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - DC/DC 與 AC/DC（離線）SMPS 系列:PowerWise® 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969 |
| LM5025AEVAL/NOPB | 功能描述:電源管理IC開發(fā)工具 LM5025A EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM5025AMTC | 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 |
| LM5025AMTC/NOPB | 功能描述:電壓模式 PWM 控制器 100V Forward Active Clamp 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 |
| LM5025AMTCX | 制造商:Texas Instruments 功能描述:Voltage Mode PWM Controller 3A/1A 16-Pin TSSOP T/R |
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