MCP2025_14 Datasheet, PDF (9/38 Pages) Microchip Technology – LIN Transceiver with Voltage Regulator

MCP2025
FIGURE 1-4:
FIGURE 1-5:
VOLTAGE REGULATOR OUTPUT ON POWER-ON RESET
VBB
V
8
6
VON
4
VOFF
Minimum VBB to maintain regulation
2
0
t
VREG
V
5
VREG-NOM
4
3
2
1
0
t
(1)
(2)
(3)
(4)
Note 1: Start-up, VBB < VON, regulator off.
2: VBB > VON, regulator on.
3: VBB  Minimum VBB to maintain regulation.
4: VBB < VOFF, regulator will turn off.
VOLTAGE REGULATOR OUTPUT ON OVERCURRENT SITUATION
IREG
mA
ILIM
0
t
VREG
6
V
5
VREG-NOM
VSD⁴
3
2
1
0
t
Note 1:
2:
(1)
(2)
IREG less than lLIM, regulator on.
After IREG exceeds lLIM, the voltage regulator output will be reduced until VSD is reached.
 2012-2014 Microchip Technology Inc.
DS20002306B-page 9