参数资料
型号: MC34708VM
厂商: Freescale Semiconductor
文件页数: 64/159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 51. SWBST Voltage Programming
Parameter
SWBST[1:0]
Voltage
00
01
10
11
SWBST Output Voltage
5.000 (default)
5.050
5.100
5.150
SWBST can be controlled by SPI programming in PFM, APS, and Auto mode. Auto mode transitions between PFM and APS
mode based on the load current. By default SWBST is powered up in Auto mode.
Table 52. SWBST Mode Control
Parameter
SWBSTMODE[1:0]
SWBSTSTBYMODE[1:0]
Voltage
00
01
10
11
SWBST Mode
Off
PFM
Auto (default)
APS
Table 53. SWBST 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
SWITCH MODE SUPPLY SWBST
V SWBST
Average Output Voltage
V
? 3.0 V < V IN < 4.5 V, 0 < IL < IL MAX
V SWBSTACC Output Ripple
? 3.0 V < V IN < 4.5 V 0 < IL < IL MAX , excluding reverse recovery of
Nom-4%
-
V NOM
-
Nom+3%
120 mV
Vp-p
Schottky diode
SWBST ACC Average Load Regulation
mV/mA
V SWBST
? V IN = 3.6 V, 0 < IL < IL MAX
Average Line Regulation
-
0.5
-
mV
LINEAREG
I SWBST
? 3.0 V < V IN < 4.5 V IL = IL MAX
Continuous Load Current
? 3.0 V < V IN < 4.5 V, V OUT = 5.0 V
-
-
50
380
-
-
mA
I SWBSTPEAK Peak Current Limit
mA
? At SWBSTIN, V IN = 3.6 V
-
1800
-
V SWBSTOS-
Start-up Overshoot, IL = 0 mA
-
-
500
mV
START
t ON-SWBST
Turn-on Time
ms
? Enable to 90% of V OUT IL = 0
-
-
2.0
f SWBST
Switching Frequency
-
2.0
-
MHz
V SWBST
Transient Load Response, IL from 1.0 to 100 mA in 1.0 μs
mV
TRANSIENT
? Maximum transient Amplitude
-
-
300
MC34708
Analog Integrated Circuit Device Data ?
Freescale Semiconductor
64
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