参数资料
型号: MAX1980ETP+
厂商: Maxim Integrated Products
文件页数: 7/33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 (continued)
(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 .)
OFFSET-VOLTAGE DEVIATION
vs. COMPENSATION VOLTAGE
COMPENSATION OUTPUT CURRENT
vs. CURRENT-SENSE VOLTAGE DIFFERENTIAL
MINIMUM TRIGGER PULSE WIDTH
vs. OVERDRIVE VOLTAGE
0.3
0.2
0.1
OUT = CM+ = CM- = CS+ = CS-
100
80
60
40
OUT = CM+ = CM- = CS-
I COMP = G M (V CS+ - V CS- )
500
450
400
350
ON-TIME TRIGGERED
ABOVE THE LINE
20
300
0
-0.1
-0.2
-0.3
0
-20
-40
-60
-80
-100
250
200
150
100
50
0
RISING (OUT-OF-PHASE)
FALLING (IN-PHASE)
0
0.5
1.0
1.5
2.0
-150
-100
-50
0
50
100
150
0
0.5
1.0
1.5
2.0
V COMP (V)
TRIGGER PROPAGATION DELAY
V CS+ - V CS- (V)
POSITIVE CURRENT-LIMIT THRESHOLD
OVERDRIVE VOLTAGE (V)
500
450
400
350
vs. OVERDRIVE VOLTAGE
160
140
120
vs. ILIM VOLTAGE
5V
0
DRIVER-DISABLE DELAY TIME
MAX1980 toc15
A
300
100
250
200
RISING (OUT-OF-PHASE)
FALLING (IN-PHASE)
80
60
150
100
50
40
20
MASTER OR SLAVE
0
0
B
C
0
0
0
0.5
1.0
1.5
2.0
0
0.5
1.0
1.5
A. DD = 5V to 0, 5V/div
C. MAX1718 LX, 5V/div
OVERDRIVE VOLTAGE (V)
V ILIM (V)
B. MAX1980 LX, 5V/div
NO LOAD
DRIVER-ENABLE DELAY TIME
MAX1980 toc16
ENTERING LOW-POWER OPERATION
MAX1980 toc17
EXITING LOW-POWER OPERATION
MAX1980 toc18
5V
0
A
0
A
0
A
1.3V
1.0V
B
C
1.3V
1.0V
B
C
0
B
0
0
0
A. DD = 0 to 5V, 5V/div
B. MAX1980 LX, 5V/div
C. MAX1718 LX, 5V/div
NO LOAD
C
0
40 μ s/div
A. LOWPWR = 0 TO 5V, 5V/div
B. V OUT = 1.3V TO 1.0V, 200mV/div
D
0
20 μ s/div
A. LOWPWR = 5V TO 0, 5V/div
B. V OUT = 1.0V TO 1.3V, 200mV/div
D
C. MAX1980 LX, 10V/div
D. MAX1718 LX, 10V/div
ZMODE = LOWPWR
C. MAX1980 LX, 10V/div
D. MAX1718 LX, 10V/div
ZMODE = LOWPWR
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7
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MAX1980ETP-TG075 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: