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MCP1603 датащи(PDF) 8 Page - Microchip Technology

номер детали MCP1603
подробное описание детали  2.0 MHz, 500 mA Synchronous Buck Regulator
PDF  34 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP1603 датащи(HTML) 8 Page - Microchip Technology

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MCP1603/B/L
DS22042B-page 8
 2007-2012 Microchip Technology Inc.
Note:
Unless
otherwise
indicated,
MCP1603/L,
VIN = SHDN =3.6V,
COUT =CIN = 4.7 µF,
L
= 4.7 µH,
VOUT(ADJ) = 1.8V, ILOAD = 100 mA, TA = +25°C. Adjustable or fixed output voltage options can be used to generate the
Typical Performance Characteristics.
FIGURE 2-7:
Efficiency vs. Input Voltage
(VOUT = 1.8V).
FIGURE 2-8:
Efficiency vs. Output Load
(VOUT = 1.8V).
FIGURE 2-9:
Efficiency vs. Input Voltage
(VOUT = 2.4V).
FIGURE 2-10:
Line Regulation vs. Ambient
Temperature (VOUT = 1.8V).
FIGURE 2-11:
Output Voltage vs. Load
Current (VOUT = 1.8V).
FIGURE 2-12:
PFM/PWM Efficiency vs.
Output Load (VOUT = 2.4V).
80
85
90
95
100
V
OUT = 1.8V
I
OUT = 100 mA
I
OUT = 500 mA
I
OUT = 300 mA
70
75
2.7
3.05
3.4
3.75
4.1
4.45
4.8
5.15
5.5
Input Voltage (V)
30
40
50
60
70
80
90
100
V
18V
V
IN = 4.2V
V
IN = 2.7V
V
IN = 3.6V
0
10
20
30
0.1
1
10
100
1000
Output Current (mA)
V
OUT = 1.8V
PFM/PWM
PWM Only
80
85
90
95
100
V
OUT = 2.4V
I
OUT = 100 mA
I
OUT = 500 mA
I
OUT = 300 mA
75
80
33.544.5
55.5
Input Voltage (V)
02
0.3
0.4
0.5
0.6
I
OUT = 100 mA
I
OUT = 300 mA
V
OUT = 1.8V
0.1
0.2
-40 -25 -10
5
20 35 50 65 80 95 110 125
Ambient Temperature (oC)
1.76
1.77
1.78
1.79
1.80
1.81
1.82
T
A = +125
oC
T
A = -40
oC
T
A = +25
oC
T
A = +90
oC
1.74
1.75
100
150
200
250
300
350
400
450
500
Output Current (mA)
30
40
50
60
70
80
90
100
V
24V
V
IN = 4.2V
V
IN = 2.7V
V
IN = 3.6V
0
10
20
30
0.1
1
10
100
1000
Output Current (mA)
V
OUT = 2.4V
PFM/PWM
PWM Only



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