參數(shù)資料
型號(hào): MC33680FTB
廠商: ON SEMICONDUCTOR
元件分類(lèi): 穩(wěn)壓器
英文描述: Single Output LDO, 400mA, Fixed(2.85V), Low Noise, Fast Transient Response 8-MSOP -40 to 85
中文描述: 1.15 A DUAL SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PQFP32
封裝: PLASTIC, LQFP-32
文件頁(yè)數(shù): 6/16頁(yè)
文件大小: 340K
代理商: MC33680FTB
MC33680
http://onsemi.com
6
DYNAMIC ELECTRICAL CHARACTERISTICS
(Refer to TIMING DIAGRAMS, TA = 0 to 70
°
C unless otherwise noted.)
Rating
Symbol
Min
Typ
Max
Unit
Minimum PORB to Control delay
tPORC
500
nS
1
80%
1
90%
1
80%
0
90%
VIN, INPUT VOLTAGE (V)
VIN, INPUT VOLTAGE (V)
EV
IOUT_AUX, AUX OUTPUT CURRENT (mA)
EV
Figure 4. Efficiency of VMAIN versus Output
Current (VMAIN = 3.3 V, L = 33 uH, Various VIN)
IOUT_MAIN, MAIN OUTPUT CURRENT (mA)
Figure 5. Efficiency of VMAIN versus Input
Voltage (VMAIN = 3.3 V, L1 = 33 uH, Various IOUT)
Figure 6. Efficiency of VAUX versus Output
Current (VAUX = 25 V, L2 = 33 uH, Various VIN)
Figure 7. Efficiency of VAUX versus Input
Voltage (VAUX = 25 V, L2 = 33 uH, Various IOUT)
85%
80%
75%
70%
10
60
70
80
90
100
EV
85%
80%
75%
70%
1.5
2
3
75%
70%
65%
60%
55%
50%
3
5
7
11
13
15
75%
70%
65%
60%
55%
50%
1.5
2
2.5
3
EV
2.5
9
Vin = 3V
Vin = 1.8V
Vin = 1.5V
Vin = 1V
Iout = 10mA
Iout = 60mA
Iout = 100mA
Iout = 1mA
Iout = 5mA
Iout = 10mA
Iout = 15mA
Vin = 3V
Vin = 1.8V
Vin = 1.5V
Vin = 1V
20
30
40
50
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