MCP1650 datasheet(10/28 Pages) MICROCHIP

10 / 28 page

MCP1650/51/52/53

DS21876A-page 10

 2004 Microchip Technology Inc.

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.

FIGURE 2-19:

Output Voltage vs. Output

Current (Load Regulation).

FIGURE 2-20:

Output Voltage Ripple vs.

Input Voltage.

FIGURE 2-21:

LBI Threshold Voltage vs.

Input Voltage.

FIGURE 2-22:

LBI Hysteresis Voltage vs.

Input Voltage.

FIGURE 2-23:

LBO Output Voltage vs.

LBO Sink Current.

FIGURE 2-24:

LBO Output Timing.

12.10

12.11

12.12

12.13

12.14

12.15

12.16

12.17

100

Output Current (mA)

VIN = 3.3V

TA = +25°C

VIN = 4.3V

0.10

0.12

0.14

0.16

0.18

0.20

0.22

0.24

0.26

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)

IOUT = 100mA

TA = +25°C

1.205

1.210

1.215

1.220

1.225

1.230

2.533.544.5

5.5

Input Voltage (V)

TJ = - 40°C

TJ = +25°C

TJ = +125°C

120

121

122

123

124

125

126

127

128

129

22.533.5

44.5

55.5

Input Votlage (V)

TJ = - 40°C

TJ = +25°C

TJ = +125°C

100

150

200

250

02468

LBO Sink Current (mA)

TJ = - 40°C

TJ = +25°C

TJ = +125°C

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