MCP73831/2
TYPICAL PERFORMANCE CURVES (CONTINUED)
NOTE: Unless otherwise indicated, VDD = [VREG(typ.) + 1V], IOUT = 10 mA and TA= +25°C, Constant-Voltage mode.
104
103
102
101
100
99
525
450
375
300
225
150
75
RPROG = 10 kΩ
RPROG = 2 kΩ
98
97
0
96
Ambient Temperature (°C)
Junction Temperature (°C)
FIGURE 2-7:
Charge Current (IOUT) vs.
FIGURE 2-10:
Charge Current (IOUT) vs.
Ambient Temperature (TA).
Junction Temperature (TJ).
516
514
512
510
508
506
504
502
500
0
VAC = 100 mVp-p
IOUT = 10 mA
RPROG = 2 kΩ
-10
COUT = 4.7 µF, X7R Ceramic
-20
-30
-40
-50
-60
0.01
0.1
1
10
100
1000
Ambient Temperature (°C)
Frequency (kHz)
FIGURE 2-8:
Charge Current (IOUT) vs.
FIGURE 2-11:
Power Supply Ripple
Ambient Temperature (TA).
Rejection (PSRR).
120
105
90
75
60
45
30
15
0
0
VAC = 100 mVp-p
IOUT = 100 mA
COUT = 4.7 µF, X7R Ceramic
RPROG = 10 kΩ
-10
-20
-30
-40
-50
-60
0.01
0.1
1
10
100
1000
Junction Temperature (°C)
Frequency (kHz)
FIGURE 2-9:
Junction Temperature (TJ).
Charge Current (IOUT) vs.
FIGURE 2-12:
Rejection (PSRR).
Power Supply Ripple
© 2006 Microchip Technology Inc.
DS21984B-page 7
MICROCHIP [ MICROCHIP ]
