MCP73833 Microchip Technology, Inc., MCP73833 Datasheet - Page 7

• Manufacturer Part Number: MCP73833
• Description: 1A output current linear charge management controller. Includes integrated pass transistor, integrated current sensing, and reverse discharge protection. Also includes safety features such as cell temperature monitoring, on-chip thermal regulation an
• Manufacturer: Microchip Technology, Inc.

TYPICAL PERFORMANCE CURVES (Continued)
Note: Unless otherwise indicated, V
FIGURE 2-7:
Junction Temperature (T
FIGURE 2-8:
Junction Temperature (T
FIGURE 2-9:
(I
© 2006 Microchip Technology Inc.
THRERM
120
100
1200
1000
80
60
40
20
800
600
400
200
52.0
51.5
51.0
50.5
50.0
49.5
49.0
48.5
48.0
0
0
) vs. Supply Voltage (V
4.50
4.75
Junction Temperature (°C)
Junction Temperature (°C)
Charge Current (I
Charge Current (I
Thermistor Bias Current
5.00
Supply Voltage (V)
J
J
).
).
5.25
5.50
DD
DD
).
= 5.2V, V
R
R
PROG
PROG
5.75
OUT
OUT
= 10 k
= 1 k
) vs.
) vs.
6.00
REG
= 4.20V, I
OUT
FIGURE 2-10:
(I
FIGURE 2-11:
Rejection (PSRR).
FIGURE 2-12:
Rejection (PSRR).
THRERM
= 10 mA and T
-10
-20
-30
-40
-50
-60
-70
-10
-20
-30
-40
-50
-60
52.0
51.5
51.0
50.5
50.0
49.5
49.0
48.5
48.0
0
0
0.01
0.01
) vs. Ambient Temperature (T
V
I
C
Ceramic
V
I
C
Ceramic
OUT
OUT
AC
AC
OUT
OUT
= 100 mVp-p
= 10 mA
= 100 mVp-p
= 100 mA
= 4.7 µF, X7R
= 4.7 µF, X7R
0.1
0.1
A
= +25°C, Constant-voltage mode.
Ambient Temperature (°C)
MCP73833/4
Thermistor Bias Current
Power Supply Ripple
Power Supply Ripple
Frequency (kHz)
Frequency (kHz)
1
1
10
10
DS22005A-page 7
100
100
A
).
1000
1000