參數(shù)資料
型號(hào)： MAX5038AEAI18
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Dual-Phase, Parallelable, Average-Current-Mode Controllers
中文描述： SWITCHING CONTROLLER, 525 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 5.30 MM, MO-150, SSOP-28
文件頁數(shù)： 2/26頁
文件大小： 680K
代理商： MAX5038AEAI18
M
Dual-Phase, Parallelable, Average-Current-Mode
Controllers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN to SGND.............................................................-0.3V to +30V
BST_ to SGND........................................................-0.3V to +35V
DH_ to LX_ ................................-0.3V to [(V
BST
_ - V
LX
_) + 0.3V]
DL_ to PGND..............................................-0.3V to (V
CC
+ 0.3V)
BST_ to LX_..............................................................-0.3V to +6V
V
CC
to SGND............................................................-0.3V to +6V
V
CC
to PGND............................................................-0.3V to +6V
SGND to PGND.....................................................-0.3V to +0.3V
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V, circuit of Figure 1, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical specifications are at T
A
= +25
°
C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
All Other Pins to SGND...............................-0.3V to (V
CC
+ 0.3V)
Continuous Power Dissipation (T
A
= +70
°
C)
28-Pin SSOP (derate 9.5mW/
°
C above +70
°
C) ..........762mW
Operating Temperature Range ...........................-40
°
C to +85
°
C
Maximum Junction Temperature .....................................+150
°
C
Storage Temperature Range.............................-60
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SYSTEM SPECIFICATIONS
8
28
Input Voltage Range
V
IN
Short IN and V
CC
together for +5V input
operation
4.75
5.5
V
Quiescent Supply Current
Efficiency
OUTPUT VOLTAGE
I
Q
η
EN = V
CC
or SGND
I
LOAD
= 52A (26A per phase)
4
90
10
mA
%
MAX5038A only, no load
MAX5038A only, no load, V
IN
= V
CC
=
+4.75V to +5.5V or V
IN
= +8V to +28V
(Note 2)
MAX5041A only, no load
-0.8
+0.8
Nominal Output Voltage
Accuracy (Note 4)
-1
+1
%
0.992
1.008
SENSE+ to SENSE- Voltage
Accuracy (Note 4)
MAX5041A only, no load, V
IN
= V
CC
=
+4.75V to +5.5V or V
IN
= +8V to +28V
0.990
1.010
V
STARTUP/INTERNAL REGULATOR
V
CC
Undervoltage Lockout
V
CC
Undervoltage Lockout
Hysteresis
UVLO
V
CC
rising
4.0
4.15
4.5
V
200
mV
V
CC
Output Accuracy
MOSFET DRIVERS
Output Driver Impedance
V
IN
= +8V to +28V, I
SOURCE
= 0 to 80mA
4.85
5.1
5.30
V
R
ON
Low or high output
1
3
Output Driver Source/Sink
Current
I
DH
_, I
DL
_
4
A
Nonoverlap Time
OSCILLATOR AND PLL
t
NO
C
DH
_
/DL
_ = 5nF
60
ns
CLKIN = SGND
CLKIN = V
CC
238
475
125
250
500
262
525
600
Switching Frequency
f
SW
kHz
PLL Lock Range
PLL Locking Time
f
PLL
t
PLL
kHz
μs
200
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
MAX5038AEAI18+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX5038AEAI18-T 功能描述:電流型 PWM 控制器 Dual-Phase Parallelable Average RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX5038AEAI25 功能描述:電流型 PWM 控制器 Dual-Phase Parallelable Average RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX5038AEAI25+ 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX5038AEAI25-T 功能描述:電流型 PWM 控制器 Dual-Phase Parallelable Average RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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