參數(shù)資料
型號(hào)： MAX1830
廠商： Maxim Integrated Products, Inc.
英文描述： Replaced by TMS320BC52 :
中文描述： 3A、1MHz、低電壓、降壓型穩(wěn)壓器，內(nèi)置同步整流與開關(guān)
文件頁數(shù)： 4/13頁
文件大?。?/td> 278K
代理商： MAX1830
100
50
0.001
0.01
0.1
1
10
EFFICIENCY vs. OUTPUT CURRENT
(V
IN
= 5.0V, L = 1.5
μ
H)
60
M
OUTPUT CURRENT (A)
E
70
80
75
90
85
65
55
95
V
OUT
= 1.8V
R
TOFF
= 75k
V
OUT
= 1.5V
R
TOFF
= 82k
V
OUT
= 3.3V
R
TOFF
= 39k
100
50
0.001
0.01
0.1
1
10
EFFICIENCY vs. OUTPUT CURRENT
(V
IN
= 3.3V, L = 1.5
μ
H)
60
M
OUTPUT CURRENT (A)
E
70
80
75
90
85
65
55
95
V
OUT
= 1.5V
R
TOFF
= 62k
V
OUT
= 1.8V
R
TOFF
= 51k
V
OUT
= 2.5V
R
TOFF
= 39k
100
50
0.001
0.01
0.1
1
10
EFFICIENCY vs. OUTPUT CURRENT
(f
PWM
= 300kHz)
60
M
OUTPUT CURRENT (A)
E
70
80
75
90
85
65
55
95
V
OUT
= 1.8V
V
IN
= 3.3V
R
TOFF
= 160k
L = 2.5
μ
H
V
OUT
= 1.8V
V
IN
= 5.0V
R
TOFF
= 220k
L = 5.2
μ
H
M
3A, 1MHz, Low-Voltage, Step-Down Regulators with
Synchronous Rectification and Internal Switches
4
_______________________________________________________________________________________
Typical Operating Characteristics
(Circuit of Figure 1, T
A
= +25
°
C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
CC
= +3.3V, FBSEL = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 5)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Adjustable Output Voltage Range
V
CC
= V
IN
= +3V to +5.5V, I
LOAD
= 0, FBSEL
= GND
V
REF
V
IN
V
Reference Voltage
Current-Limit Threshold
Idle Mode Current Threshold
V
REF
I
LIMIT
I
IM
1.078
3.9
0.14
1.122
5.4
1.0
90
110
95
100
750
360
1.2
V
A
A
V
IN
= 4.5V
V
IN
= +3V
V
IN
= 4.5V
V
IN
= +3V
PMOS Switch On-Resistance
R
ON
,
P
I
LX
= 0.5A
NMOS Switch On-Resistance
R
ON
,
N
I
LX
= 0.5A
m
No-Load Supply Current
FB Input Bias Current
Off-Time
I
IN
+ I
CC
I
FB
t
OFF
V
FB
= 1.2V
V
FB
= 1.2V
R
TOFF
= 110k
μA
nA
μs
0
0.8
Note 2:
Not production tested.
Note 3:
Soft-start time is measured with respect to the number of cycles on LX.
Note 4:
This is a metal migration limit. Maximum output current may be limited by thermal capability to a lower value than this.
Note 5:
Specifications from 0
°
C to -40
°
C are guaranteed by design, not production tested.
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1830EEE 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1830EEE+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 1MHz Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1830EEE+ 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) 制造商:Maxim Integrated Products 功能描述:IC STEP-DOWN PWM DC/DC CONVERTER QSOP-16
MAX1830EEE+T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A 1MHz Step-Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1830EEE-T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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