参数资料
型号: MAX1544ETL+
厂商: Maxim Integrated Products
文件页数: 12/42页
文件大小: 0K
描述: IC QUICK-PWM DUAL-PHASE 40-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 50
系列: Quick-PWM™
应用: 控制器,AMD Hammer
输入电压: 2 V ~ 28 V
输出数: 1
输出电压: 0.68 V ~ 1.55 V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-TQFN-EP(6x6)
包装: 管件
Dual-Phase, Quick-PWM Controller for
AMD Hammer CPU Core Power Supplies
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V IN = 12V, V CC = V DD = 5V, SHDN = SKIP = V CC , D0 – D4 set for 1.5V (SUS = GND), S0 – S1 set for 1V
(SUS = V CC ), OFS = GND, T A = +25 ° C, unless otherwise specified.)
1.00V LOAD TRANSIENT
(10A TO 30A LOAD)
MAX1544 toc22
OFFSET TRANSITION
MAX1544 toc23
30A
10A
1.0V
A
B
0.2V
0
1.5V
A
B
10A
0
C
5A
C
10A
0
20 μ s/div
A. LOAD CURRENT, (I LOAD = 10A TO 30A), 25A/div
B. OUTPUT VOLTAGE (1.00V NO LOAD), 50mV/div
C. I L1 , 10A/div
D. I L2 , 10A/div
D
5A
20 μ s/div
A. V OFS = 0 TO 200mV, 0.2V/div
B. V OUT = 1.500V TO 1.475, 20mV/div
C. I L1 , 10A/div
D. I L2 , 10A/div
D
10A LOAD
SUSPEND TRANSITION
(DUAL-PHASE PWM OPERATION)
MAX1544 toc24
SUSPEND TRANSITION
(SINGLE-PHASE SKIP OPERATION)
MAX1544 toc25
3.3V
A
3.3V
A
0
1.5V
1.0V
B
0
1.5V
1.0V
10A
B
2.5A
2.5A
40 μ s/div
A. SUS, 5V/div
B. V OUT = 1.5V TO 1.0V, 0.5V/div
C. I L1 , 10A/div
D. I L2 , 10A/div
5A LOAD, SKIP = V CC , R TIME = 64.9k ?
C
D
0
10A
0
C
D
100 μ s/div
A. SUS, 5V/div
B. V OUT = 1.5V TO 1.0V, 0.5V/div
C. I L1 , 10A/div
D. I L2 , 10A/div
5A LOAD, C OUT = (4) 680 μ F, SKIP = SUS, R TIME = 64.9k ?
12
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