參數(shù)資料
型號： MAX1537A
廠商： Maxim Integrated Products, Inc.
英文描述： High-Efficiency, 5x Output, Main Power-Supply Controllers for Notebook Computers
中文描述： 高效率、5路輸出、主電源控制器，用于筆記本電腦
文件頁數(shù)： 8/38頁
文件大?。?/td> 1427K
代理商： MAX1537A
M
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
8
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
IN
= 12V, both SMPS enabled, V
CC
= 5V, FSEL = REF,
SKIP
= GND, V
ILIM_
= V
LDO5
, V
INA
= 15V, V
LDOA
= 12V,
I
LDO5
= I
LDO3
= I
LDOA
= no load,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
FAULT DETECTION
Output Overvoltage Trip
Threshold
OVP
= GND, with respect to error-
comparator threshold
+8
+15
%
Output Undervoltage-Protection
Trip Threshold
With respect to error-comparator threshold
+65
+75
%
PGOOD Lower Trip Threshold
With respect to error-comparator threshold,
hysteresis = 1%
-14.0
-7.0
%
PGOOD Output Low Voltage
PGDLY Pulldown Resistance
I
SINK
= 4mA
0.4
25
V
Ω
PGDLY Trip Threshold
REF-
0.2
REF+
0.2
V
GATE DRIVERS
DH_ Gate-Driver On-Resistance
R
DH
BST_ - LX_ forced to 5V
DL_, high state
DL_, low state
5
5
3
Ω
DL_ Gate-Driver On-Resistance
R
DL
Ω
INPUTS AND OUTPUTS
High
Low
2.4
Logic Input Voltage
SKIP
, hysteresis = 600mV
0.8
V
High
0.7 x
V
CC
Fault Enable Logic Input Voltage
OVP
,
UVP
, ONA
Low
0.4
2.2
1.05
0.8
1.6
2.1
V
Rising trip level
Falling trip level
Clear fault level
SMPS off level
Delay start level (REF)
SMPS on level
High
REF
GND
1.1
0.95
SHDN
Input Trip Level
V
1.9
2.4
ON_ Input Voltage
V
V
CC
- 0.2
1.7
2.3
0.4
FSEL Three-Level Input Logic
V
Note 1:
The MAX1533A/MAX1537A cannot operate over all combinations of frequency, input voltage (V
IN
), and output voltage. For
large input-to-output differentials and high-switching frequency settings, the required on-time may be too short to maintain
the regulation specifications. Under these conditions, a lower operating frequency must be selected. The minimum on-time
must be greater than 150ns, regardless of the selected switching frequency. On-time and off-time specifications are mea-
sured from 50% point to 50% point at the DH_ pin with LX_ = GND, V
BST_
= 5V, and a 250pF capacitor connected from DH_
to LX_. Actual in-circuit times may differ due to MOSFET switching speeds.
Note 2:
When the inductor is in continuous conduction, the output voltage has a DC regulation level lower than the error-comparator
threshold by 50% of the ripple. In discontinuous conduction (
SKIP
= GND, light load), the output voltage has a DC regula-
tion level higher than the trip level by approximately 1% due to slope compensation.
Note 3:
Specifications are guaranteed by design, not production tested.
Note 4:
Specifications to -40
°
C are guaranteed by design, not production tested.
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相關代理商/技術參數(shù)
參數(shù)描述
MAX1537AETX+ 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1537ETX 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1537ETX-T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX1537EVKIT 制造商:Maxim Integrated Products 功能描述:MAIN POWER SUPPLY CONTROLLER FOR NOTEBOOK - Bulk
MAX1538ETI 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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