MAX8819A MAXIM [Maxim Integrated Products], MAX8819A Datasheet - Page 11

• Manufacturer Part Number: MAX8819A
• Description: PMIC with Integrated Chargers and Smart Power Selector in a 4mm x 4mm TQFN
• Manufacturer: MAXIM [Maxim Integrated Products]

(Circuit of Figure 1, T
100
90
80
70
60
50
40
30
20
10
0
0.1
vs. LOAD CURRENT (V
V
1.225
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
OUT3
V
I
LX3
LX3
1
PMIC with Integrated Chargers and Smart
REG2 EFFICIENCY
LOAD CURRENT (mA)
0
______________________________________________________________________________________
A
REG3 HEAVY-LOAD SWITCHING
50
= +25°C, unless otherwise noted.)
10
REG3 LOAD REGULATION
Power Selector in a 4mm x 4mm TQFN
100 150 200 250 300 350 400
REG3 LOAD CURRENT (mA)
REG2
WAVEFORMS
100
400ns/div
= 1.82V)
1000
200mA LOAD
MAX8819A toc26
1.86
1.85
1.84
1.83
1.82
1.81
1.80
Typical Operating Characteristics (continued)
20mV/div
AC-COUPLED
2V/div
0V
200mA/div
0mA
0
50
REG2 LOAD REGULATION
100 150 200 250 300 350 400
REG2 LOAD CURRENT (mA)
V
V
I
OUT3
V
OUT3
OUT3
I
LX3
LX3
30mA
REG3 LIGHT-LOAD SWITCHING
REG3 LOAD TRANSIENT
WAVEFORMS
320mA
100
90
80
70
60
50
40
30
20
10
200µs/div
2µs/div
0
0.1
vs. LOAD CURRENT (V
20mA LOAD
1
REG3 EFFICIENCY
MAX8819A toc25
LOAD CURRENT (mA)
MAX8819A toc27
30mA
10
20mV/div
AC-COUPLED
2V/div
0V
100mA/div
0mA
100mA/div
100mV/div
1.2V DC OFFSET
REG3
100
= 1.21V)
1000
11