参数资料
型号: MAX1534ETE+T
厂商: Maxim Integrated Products
文件页数: 6/16页
文件大小: 0K
描述: IC PWR SUPPLY CONTROLLER 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 电源控制器
输入电压: 4.5 V ~ 26 V
电流 - 电源: 15µA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(4x4)
包装: 带卷 (TR)
High-Efficiency, Triple-Output, Keep-Alive
Power Supply for Notebook Computers
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = +12V, PRESET = GND, T A = +25 ° C, unless otherwise noted.)
200
180
SWITCHING FREQUENCY
vs. LOAD CURRENT, CIRCUIT 1, ILIM = IN
140
120
NO-LOAD SUPPLY CURRENT
vs. V IN , CIRCUIT 1, ILIM = GND
160
V IN = 20V
140
120
100
100
80
SHDN = IN
80
60
40
20
0
V IN = 12V
V IN = 7V
60
40
20
0
SHDN = IN
V OUT3 NOT CONNECTED
TO V LDOIN
S HDN  = GN D
0
50 100 150 200 250 300 350 400 450 500
6
10
14
18
22
26
1.4
I OUT3 (mA)
PEAK SWITCH CURRENT
vs. V IN , CIRCUIT 1, ILIM = IN
V IN (V)
BUCK LOAD TRANSIENT
MAX1534 toc09
1.3
1.2
1.1
L = 10 μ H
1A
V OUT3
200mV/div
AC-COUPLED
I LX
1.0
0.9
0.8
L = 15 μ H
L = 22 μ H
0
10V
0
1A/div
V LX
10V/div
0.7
0.6
0.5
I OUT3 = 300mA
500mA
0
I OUT3
500mA/div
0.4
6
10
14
18
22
26
40 μ s/div
V IN (V)
V IN = 12V, I OUT3 = 100mA TO 450mA
LINE TRANSIENT
MAX1534 toc10
LINE TRANSIENT NEAR DROPOUT
MAX1534 toc11
15V
10V
V IN
5V/div
V OUT3
200mV/div
AC-COUPLED
10V
5V
V IN
5V/div
V OUT3
200mV/div
AC-COUPLED
1A
0
100 μ s/div
V IN = 10V TO 15V, I OUT3 = 300mA
I LX
500mA/div
1A
0
100 μ s/div
V IN = 5.2V TO 10V, I OUT3 = 300mA
I LX
500mA/div
6
_______________________________________________________________________________________
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