參數(shù)資料
型號(hào)： LM2593HV5.0MDC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封裝： DIE
文件頁(yè)數(shù)： 19/25頁(yè)
文件大?。?/td> 826K
代理商： LM2593HV5.0MDC
LM2593HV-ADJ
Electrical Characteristics (Continued)
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range.
Symbol
Parameter
Conditions
LM2593HV-ADJ
Units
(Limits)
Typ
Limit
η
Efficiency
V
IN = 12V, VOUT = 3V, ILOAD =2A
75
%
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for T
J = 25C, and those with boldface type apply over full Operating Tempera-
ture Range. Unless otherwise specified, V
IN = 12V for the 3.3V, 5V, and Adjustable version. ILOAD = 500 mA
Symbol
Parameter
Conditions
LM2593HV-XX
Units
(Limits)
Typ
Limit
DEVICE PARAMETERS
I
b
Feedback Bias Current
Adjustable Version Only, V
FB = 1.3V
10
nA
50/100
nA (max)
f
O
Oscillator Frequency
150
kHz
127/110
kHz(min)
173/173
kHz(max)
V
SAT
Saturation Voltage
I
1.10
V
1.3/1.4
V(max)
DC
Max Duty Cycle (ON)
100
%
Min Duty Cycle (OFF)
0
I
CLIM
Switch current Limit
Peak Current, (Note 8) (Note 9)
3.0
A
2.4/2.3
A(min)
3.7/4.0
A(max)
I
L
Output Leakage Current
Output = 0V
50
A(max)
Output = 1V
5
mA
30
mA(max)
I
Q
Operating Quiescent
SD /SS Pin Open (Note 10)
5mA
Current
10
mA(max)
I
STBY
Standby Quiescent
SD /SS pin = 0V
90
A
Current
200/250
A(max)
θ
JC
Thermal Resistance
TO220 or TO263 Package, Junction to Case
2
C/W
θ
JA
TO220 Package, Juncton to Ambient (Note 12)
50
C/W
θ
JA
TO263 Package, Juncton to Ambient (Note 13)
50
C/W
θ
JA
TO263 Package, Juncton to Ambient (Note 14)
30
C/W
θ
JA
TO263 Package, Juncton to Ambient (Note 15)
20
C/W
SHUTDOWN/SOFT-START CONTROL Test Circuit of
V
SD
Shutdown Threshold
1.3
V
Voltage
Low, (Shutdown Mode)
0.6
V(max)
High, (Soft-start Mode)
2
V(min)
V
SS
Soft-start Voltage
V
OUT = 20% of Nominal Output Voltage
2
V
OUT = 100% of Nominal Output Voltage
3
I
SD
Shutdown Current
V
SHUTDOWN = 0.5V
5A
10
A(max)
I
SS
Soft-start Current
V
Soft-start = 2.5V
1.5
A
5
A(max)
LM2593HV
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相關(guān)PDF資料
PDF描述
LM2593HVS-12 4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO7
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LM2597-12MDC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
LM2597-ADJMDC 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2593HVEVAL 功能描述:電源管理IC開發(fā)工具 EVAL BOARDFOR LM2593 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
LM2593HVS-3.3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2593HVS-3.3/NOPB 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
LM2593HVS-3.3/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
LM2593HVS-5.0 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
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