參數(shù)資料
型號(hào): 34710
廠商: Motorola, Inc.
英文描述: Adjustable Dual Output Switching Power Supply
中文描述: 可調(diào)雙輸出開關(guān)電源
文件頁(yè)數(shù): 11/16頁(yè)
文件大?。?/td> 518K
代理商: 34710
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
34710
11
V
b
Charge Pump
The high-side MOSFETs in the H-Bridge motor drivers and
voltage regulators switch require a gate voltage in excess of
V
B+,
which is provided by the V
b
supply. The V
b
regulator is a
charge pump, switching directly off the V
B+
supply, and uses an
internal oscillator operating at 200 kHz.
Internal Oscillator
The internal oscillator provides timing for the charge pump
and switching regulators.
APPLICATIONS
Power Dissipation
The power budget is described in
Table 2
. The maximum
dissipation for this device is 1.0 W continuous.
Table 2. Power Budget
Functional Block
Watt
Bias
0.00
Charge Pump
0.15
Switching Regulator
0.45
Linear Regulator
0.35
Total
0.95
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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