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DS20006229C-page 11

MCP1792/3

Note: Unless otherwise indicated, CIN = COUT = 2.2 µF ceramic (X7R), IOUT = 1 mA, TA = +25°C, VIN = VR + 1.2V,

SHDN = 1 M

 pull-up to VIN.

FIGURE 2-30:

Start-up From VIN 

(0V to 48V, VR = 3.3V).

FIGURE 2-31:

Start-up From VIN 

(0V to 48V, VR = 5V).

FIGURE 2-32:

Start-up From SHDN

(VR = 3.3V).

FIGURE 2-33:

Start-up From SHDN

(VR = 5.0V).

FIGURE 2-34:

Overvoltage Line Transient

Response (VR = 5V).

FIGURE 2-35:

Overvoltage Line Transient

Response (VR = 3.3V).

VIN

48V

200 µs/div

10V/div

VOUT

1V/div

Rise Slope = 1V/µs

IOUT = 10 mA

VIN

48V

200 µs/div

10V/div

VOUT

1V/div

Rise Slope = 1V/µs

IOUT = 10 mA

SHDN

5V

200 µs/div

1V/div

VOUT

1V/div

IOUT = 10 mA

SHDN

5V

200 µs/div

1V/div

VOUT

1V/div

IOUT = 10 mA

VIN

58V

48V

100 ms/div

20V/div

VOUT

100 mV/div, AC Coupled

IOUT = 10 mA

70V

48V

VIN

58V

48V

100 ms/div

20V/div

VOUT

100 mV/div

IOUT = 10 mA

70V

48V