参数资料
型号: MAX1544ETL+
厂商: Maxim Integrated Products
文件页数: 10/42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.)
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (PULSE SKIPPING)
OUTPUT OFFSET VOLTAGE
vs. OFS VOLTAGE
REFERENCE VOLTAGE
DISTRIBUTION
3.0
2.5
SKIP = REF
150
100
50
40
SAMPLE SIZE = 100
2.0
50
30
1.5
1.0
I CC + I DD
0
-50
20
0.5
0
I IN
-100
-150
UNDEFINED
REGION
10
0
0
5
10
15
20
25
30
0
0.5
1.0
1.5
2.0
1.990
1.995
2.000
2.005
2.010
INPUT VOLTAGE (V)
CURRENT-BALANCE OFFSET
VOLTAGE DISTRIBUTION
OFS VOLTAGE (V)
CURRENT-LIMIT THRESHOLD
DISTRIBUTION
REFERENCE VOLTAGE (V)
VOLTAGE-POSITIONING AMPLIFIER
GAIN AND PHASE vs. FREQUENCY
50
SAMPLE SIZE = 100
50
V ILIM = 0.20V
SAMPLE SIZE = 100
60
50
MAX1544 toc15
180
144
40
40
40
108
30
30
30
20
GAIN
72
36
10
0
20
20
0
-10
-36
-72
10
10
-20
PHASE
-108
-30
-144
0
0
-40
-180
-2.50
-1.25
0
1.25
2.50
9.0
9.5
10.0
10.5
11.0
0.1
1
10
100
1k
10k
OFFSET VOLTAGE (mV)
VPS AMPLIFIER OFFSET VOLTAGE
vs. COMMON-MODE VOLTAGE
180
160
CURRENT LIMIT (mV)
1.0
FREQUENCY (Hz)
INDUCTOR CURRENT DIFFERENCE
vs. LOAD CURRENT
140
120
100
80
60
0.8
0.6
0.4
SKIP = REF
SKIP = V CC
40
20
0
VPS AMPLIFIER
DISABLED
0.2
0
R SENSE = 1m ?
0
1
2
3
4
5
0
10
20
30
40
50
COMMON-MODE VOLTAGE (V)
LOAD CURRENT (A)
10
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