参数资料
型号: MAX1533AETJ+T
厂商: Maxim Integrated Products
文件页数: 11/38页
文件大小: 0K
描述: IC POWER SUPPLY CONTROLER 32TQFN
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: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
High-Efficiency, 5x Output, Main Power-Supply
Controllers for Notebook Computers
Typical Operating Characteristics (continued)
(MAX1537A circuit of Figure 1, V IN = 12V, LDO5 = V CC = 5V, SKIP = GND, FSEL = REF, T A = +25°C, unless otherwise noted.)
DELAYED STARTUP WAVEFORM
(LIGHT LOAD)
MAX1533/37 toc16
STARTUP WAVEFORM (HEAVY LOAD)
MAX1533/37 toc17
SHUTDOWN WAVEFORM (NO LOAD)
MAX1533/37 toc18
3.3V
0
5V
0
3.3V
0
0
A
B
C
D
3.3V
0
4V
2V
0
2.5A
0
5V
0
A
B
C
D
E
2V
0
5V
0
5V
0
3.3V
0
5V
0
0
A
B
C
D
E
F
2ms/div
400 μ s/div
2ms/div
A. ON5, 5V/div
B. 5V OUTPUT, 2V/div
C. 3.3V OUPUT, 2V/div
A. ON5, 5V/div
B. 5V OUTPUT, 2V/div
C. INDUCTOR CURRENT, 5A/div
A. SHDN, 5V/div
B. 5V OUTPUT, 5V/div
C. DL5, 5V/div
D. 3.3V OUTPUT, 5V/div
E. DL3, 5V/div
F. PGOOD, 5V/div
D. PGOOD, 2V/div
100 Ω LOAD ON OUT5 AND OUT3, ON3 = REF
SHUTDOWN WAVEFORM (1 Ω LOAD)
MAX1533/37 toc19
D. LDO5, 1V/div
E. DL5, 5V/div
1.0 Ω LOAD
5V OUTPUT LOAD TRANSIENT
(FORCED-PWM)
MAX1533/37 toc20
ON3 = ON5 = V CC , OVP = GND
3.3V OUTPUT LOAD TRANSIENT
(FORCED-PWM)
MAX1533/37 toc21
2V
0
A
4A
0
A
4A
0
A
5V
5V
B
5V
B
3.3V
B
C
5A
0
5V
D
E
4A
0
12V
C
D
4A
0
12V
C
D
0
100 μ s/div
A. SHDN, 5V/div
B. LDO5, 2V/div
C. 5V OUTPUT, 2V/div
D. INDUCTOR CURRENT, 5A/div
E. DL5, 5V/div
ON3 = ON5 = V CC , OVP = GND
0
40 μ s/div
A. I OUT5 = 0.2A TO 4A, 5A/div
B. V OUT5 = 5.0V, 100mV/div
C. INDUCTOR CURRENT, 5A/div
D. LX5, 10V/div
SKIP = V CC
0
40 μ s/div
A. I OUT3 = 0.2A TO 4A, 5A/div
B. V OUT3 = 3.3V, 100mV/div
C. INDUCTOR CURRENT, 5A/div
D. LX3, 10V/div
SKIP = V CC
______________________________________________________________________________________
11
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