Datasheet

MCP2021/2/1P/2P
DS22018F-page 24 © 2005-2012 Microchip Technology Inc.
2.2 DC Specification (Continued)
FIGURE 2-1: MCP2021-500 Safe Operating Range.
DC Specifications
Electrical Characteristics:
Unless otherwise indicated, all limits are specified for:
VBB = 6.0V to 18.0V
T
A = -40°C to +125°C
C
LOADREG = 10 µF
Parameter Sym Min. Typ. Max. Units Conditions
Voltage Regulator - 5.0V
Output Voltage V
OUT 4.85 5.00 5.15 V 0 mA < IOUT < 50 mA,
Load Regulation ΔVOUT2—1050mV5mA < IOUT < 50 mA
refer to Section 1.6
“Internal Voltage
Regulator”
Quiescent Current I
VRQ —— 25µAIOUT = 0 mA, (Note 2)
Power Supply Ripple
Reject
PSRR — — 50 dB 1 VPP @10-20 kHz
C
LOAD = 10 µf,
I
LOAD = 50 mA
Output Noise Voltage eN — — 100 µV
RMS 10 Hz – 40 MHz
C
FILTER = 10 µf,
C
BP = 0.1 µf, CLOAD 10 µf,
I
LOAD = 50 mA
Shutdown Voltage VSD 3.5 — 4.0 V See Figure 1-8
Input Voltage to Maintain
Regulation
V
BB 6.0 — 18.0 V
Input Voltage to Turn Off
Output
V
OFF 4.0 — 4.5 V
Input Voltage to Turn On
Output
V
ON 5.5 — 6.0 V
Note 1: Internal current limited. 2.0 ms maximum recovery time (R
LBUS = 0Ω, TX = 0.4 VREG, VLBUS = VBB).
2: For design guidance only, not tested.
3: Node has to sustain the current that can flow under this condition; bus must be operational under this
condition.
0
10
20
30
40
50
60
-40 -34 -28 -22 -16 -10
-4
2 8
14 20 26 32 38 44 50 56 62 68 74 80 86 92 98
104 110 116 122
Temperature (°C)
Voltage Regulator Load (mA)
18V DFN
18V SOIC
12V SOIC
12V DFN