参数资料
型号: MAX1980ETP+
厂商: Maxim Integrated Products
文件页数: 6/33页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 20-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
系列: Quick-PWM™
PWM 型: 控制器
输出数: 1
频率 - 最大: 550kHz
占空比: 50%
电源电压: 4.5 V ~ 5.5 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: 0°C ~ 85°C
封装/外壳: 20-WQFN 裸露焊盘
包装: 管件
Quick-PWM Slave Controller with
Driver Disable for Multiphase DC-DC Converter
Typical Operating Characteristics
(Circuit of Figure 1, V+ = 12V, V CC = V DD = 5V, V OUT = 1.3V (ZMODE = GND) and 1V (ZMODE = V CC ), DD = V CC .)
100
TWO-PHASE
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.3V)
1.30
TWO-PHASE
OUTPUT VOLTAGE vs. LOAD CURRENT
(V OUT = 1.3V, V OFFSET = -10mV)
100
TWO-PHASE
EFFICIENCY vs. LOAD CURRENT
(V OUT = 1V)
90
80
V IN = 8V
V IN = 5V
1.29
1.28
1.27
V IN = 12V
90
80
V IN = 8.0V
V IN = 5.0V
70
1.26
70
60
50
40
30
20
V IN = 12V
V IN = 20V
1.25
1.24
1.23
1.22
1.21
1.20
60
50
40
30
20
V IN = 12V
V IN = 20V
0.1
1
10
100
0
10
20
30
40
50
0.1
1
10
100
1.00
LOAD CURRENT (A)
TWO-PHASE
OUTPUT VOLTAGE vs. LOAD CURRENT
(V OUT = 1V, V OFFSET = -10mV)
V IN = 12.0V
100
LOAD CURRENT (A)
SINGLE-PHASE EFFICIENCY
vs. LOAD CURRENT
(V OUT = 1V)
80
LOAD CURRENT (A)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE
0.99
V IN = 8.0V
V IN = 5.0V
70
0.98
0.97
0.96
90
80
60
50
40
I BIAS = I DD + I CC
0.95
0.94
70
V IN = 12V
V IN = 20V
30
20
I IN
0.93
10
MASTER AND SLAVE
0.92
60
0
0
10
20
30
40
0.01
0.10
1
10
100
0
5
10
15
20
25
30
1.0
LOAD CURRENT (A)
INDUCTOR CURRENT BALANCE
vs. LOAD CURRENT
0.7
LOAD CURRENT (A)
INDUCTOR CURRENT BALANCE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
OFFSET-VOLTAGE DEVIATION
vs. CURRENT-SENSE COMMON-MODE VOLTAGE
50
OUT = CM+ = CM- = CS+ = CS-
0.8
0.6
0.6
0.5
0.4
I OUT = 40A
25
0
0.4
0.3
0.2
0.2
0.1
I OUT = NO LOAD
-25
0
0
-50
0
10
20
30
40
50
0
5
10
15
20
25
-0.5
0
0.5
1.0
1.5
2.0
LOAD CURRENT (A)
INPUT VOLTAGE (V)
V OUT (V)
6
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