MCP1651 查看數據表（PDF） - Microchip Technology

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MCP1651

750 kHz Boost Controll

Microchip Technology 

MCP1650/51/52/53

Note: Unless otherwise indicated, VIN = 3.3V, VOUT = 12V, CIN = 10 µF (x5R or X7R Ceramic), COUT = 10 µF (X5R or X7R),

IOUT = 10 mA, L = 3.3 µH, SHDN > VIH, TA = +25°C.

12.17

12.16

12.15

VIN = 3.3V

TA = +25°C

12.14

12.13

12.12

VIN = 4.3V

12.11

12.10

10 20 30 40 50 60 70 80 90 100

Output Current (mA)

FIGURE 2-19:

Output Voltage vs. Output

Current (Load Regulation).

129

128

TJ = +125°C

127

126

125

TJ = +25°C

124

123

TJ = - 40°C

122

121

120

2 2.5 3 3.5 4 4.5 5 5.5 6

Input Votlage (V)

FIGURE 2-22:

Input Voltage.

LBI Hysteresis Voltage vs.

0.26

TA = +25°C

0.24

0.22

0.20

IOUT = 100mA

0.18

0.16

0.14

0.12

0.10

2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7 6.0

Input Voltage (V)

FIGURE 2-20:

Input Voltage.

Output Voltage Ripple vs.

250

200

150

TJ = +125°C

100

50

0

0

TJ = - 40°C

TJ = +25°C

2

4

6

8

10

LBO Sink Current (mA)

FIGURE 2-23:

LBO Output Voltage vs.

LBO Sink Current.

1.230

1.225

1.220

1.215

1.210

TJ = +125°C

TJ = +25°C

TJ = - 40°C

1.205

2 2.5 3 3.5 4 4.5 5 5.5 6

Input Voltage (V)

FIGURE 2-21:

Input Voltage.

LBI Threshold Voltage vs.

FIGURE 2-24:

LBO Output Timing.

DS21876B-page 10

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