TC1301A Datasheet, PDF (11/28 Pages) Microchip Technology – Dual LDO with Microcontroller RESET Function

TC1301A/B
Note: Unless otherwise indicated, V_IN = V_R +1V, I_OUT1 = I_OUT2 = 100 µA, C_IN = 4.7 µF, C_{OUT1 =} C_OUT2 = 1 µF (X5R or X7R),
C_BYPASS = 0 pF, SHDN1 = SHDN2 > V_IH. For the TC1301A, V_DET = V_OUT1, RESET = OPEN, T_A = +25°C.
0.35
0.30
V_R1 = 2.8V,V_R2 = 2.6V
V_DET = V_TH - 20 mV
I_OL = 3.2 mA
0.25
0.20
0.15
0.10
I_OL = 1.2 mA
0.05
0.00
-40 -25 -10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-31:
RESET Output Voltage Low
vs. Junction Temperature.
4.4
4.2
4.0
3.8
3.6 ^{VR1 = 2.8V,VR2 = 2.6V}
3.4 ^{VDET = VTH + 20 mV}
3.2
3.0
2.8
2.6
2.4
2.2
2.0
-40 -25 -10 5 20
V_DET = 4.2V
RESET_ISOURCE = 800 µA
V_DET = 3.0V
RESET_ISOURCE = 500 µA
35 50 65 80 95 110 125
Junction Temperature (°C)
FIGURE 2-32:
RESET Output Voltage High
vs. Junction Temperature.
© 2005 Microchip Technology Inc.
DS21798B-page 11