参数资料
型号: LTC3562EUD#TRPBF
厂商: Linear Technology
文件页数: 15/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ QUAD 20QFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 4
输出电压: 425 mV ~ 800 mV,0.6 V ~ 3.78 V
输入电压: 2.85 V ~ 5.5 V
PWM 型: 多重
频率 - 开关: 2.25MHz
电流 - 输出: 400mA,600mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 20-QFN 裸露焊盘(3x3)
LTC3562
OPERATION
Table 3. Regulator Operating Modes
Table 5. Type-B Regulator Base Output Voltage Programming
A1
A0
REGULATOR MODE
TYPE-B REGULATOR
0
0
1
1
0
1
0
1
Pulse Skip Mode
LDO Mode
Forced Burst Mode Operation
Burst Mode Operation
B6
0
0
0
0
B5
0
0
0
0
B4
0
0
0
0
B3
0
0
1
1
B2
0
1
0
1
BASE OUTPUT VOLTAGE
0.600
0.700
0.800
0.900
Table 4. Type-A Regulator Servo Voltage Programming
TYPE-A REGULATOR
B3 B2 B1 B0 SERVO (FEEDBACK) VOLTAGE
0
0
0
0
0
0
1
1
1
0
0
1
0
1
0
1.000
1.100
1.200
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0.425
0.450
0.475
0.500
0.525
0.550
0.575
0.600
0.625
0.650
0.675
0.700
0.725
0.750
0.775
0.800
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1.300
1.400
1.500
1.600
1.700
1.800
1.900
2.000
2.100
2.200
2.300
2.400
2.500
2.600
2.700
2.800
1
0
1
1
1
2.900
POR600A Pin
The POR600A pin is an open-drain output used to indicate
that regulator R600A has been enabled and has reached
its ?nal voltage. POR600A remains low impedance until
regulator R600A reaches 92% of its regulation value. A
230ms delay is included to allow a system microcontroller
ample time to reset itself. POR600A may be used as a
power on reset to the microprocessor powered by regula-
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
3.000
3.100
3.200
3.300
3.400
3.500
3.600
3.700
tor R600A or may be used to enable regulator R400A for
supply sequencing. POR600A is an open drain output and
Table 6. Type-B Regulator Incremental Output Voltage Programming
requires a pull-up resistor to the output voltage of regulator
R600A or another appropriate power source.
B1
0
0
1
1
B0
0
1
0
1
TYPE-B REGULATOR INCREMENTAL OUTPUT VOLTAGE
+0.000
+0.025
+0.050
+0.075
3562fa
15
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