参数资料
型号: MC34708VM
厂商: Freescale Semiconductor
文件页数: 58/159页
文件大小: 0K
描述: IC POWER MANAGEMENT 206MAPBGA
标准包装: 160
应用: 通用
电源电压: 1.8 V ~ 4.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 206-LFBGA
供应商设备封装: 206-MAPBGA(13x13)
包装: 托盘
Functional Block Description
Table 45. SW4A/B Output Voltage Programmability
Set Point
SW4x[4:0]
SW4x
Output (V)
Set Point SW4x[4:0]
SW4x
Output (V)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
1.2000
1.2250
1.2500
1.2750
1.3000
1.3250
1.3500
1.3750
1.4000
1.4250
1.4500
1.4750
1.5000
1.5250
1.5500
1.5750
16
17
18
19
20
21
22
23
24
25
26
-
-
-
-
-
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
-
-
-
-
-
1.6000
1.6250
1.6500
1.6750
1.7000
1.7250
1.7500
1.7750
1.8000
1.8250
1.8500
-
-
-
-
-
Table 46. SW4A/B Electrical Specifications
Characteristics noted under conditions BP = 3.6 V, V BUS = 5.0 V, - 40 ? C ? T A ? 85 ? C, unless otherwise noted. Typical values
at BP = 3.6 V and T A = 25 °C under nominal conditions, unless otherwise noted.
Symbol
Characteristic
Min
Typ
Max
Unit
Notes
SW4A/B Buck Regulator
V SW4IN
Operating Input Voltage
V
? PWM operation, 0 < IL < I MAX
? PFM operation, 0 < IL < IL MAX
3.0
2.8
-
-
4.5
4.5
V SW4ACC
Output Voltage Accuracy
mV
I SW4
I SW4PEAK
i SW4
? PWM mode including ripple, load regulation, and transients
? PFM Mode, including ripple, load regulation, and transients
Continuous Output Load Current, V INMIN < BP < 4.5 V
? PWM mode (separate)
? PWM mode single/dual phase
? PFM mode
Current Limiter Peak Current Detection
? V IN = 3.6 V Current through Inductor (separate)
? Current through Inductor
Transient Load Change, 100 mA/μs
Nom-3%
Nom-3%
-
-
-
-
-
Nom
Nom
-
-
50
1.0
2.0
Nom+3%
Nom+3%
500
1000
-
-
-
mA
A
mA
TRANSIENT
? Single/Dual Phase
? Separate
-
-
-
-
500
250
V SW4OS-
Start-up Overshoot, IL = 100 mA/μs
-
-
25
mV
START
MC34708
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
58
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