Datasheet

MAX8660/MAX8660A/MAX8660B/MAX8661
High-Efficiency, Low-I
Q
, PMICs with Dynamic
Voltage Management for Mobile Applications
17
Typical Operating Characteristics (continued)
(Circuit of Figure 3, V
IN
= 3.6V, T
A
= +25°C, unless otherwise noted.)
REG6/REG7 OUTPUT VOLTAGE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
MAX8660 toc51
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
1.77
1.78
1.79
1.80
1.81
1.82
1.83
100mA LOAD
REG6/REG7 OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
MAX8660 toc52
0 100 200 300 400 500 600 700 800 900
1.0
1.5
2.0
2.5
3.0
3.5
4.2V INPUT
3.3V OUTPUT
2.4V INPUT
1.8V OUTPUT
REG6/REG7 OUTPUT VOLTAGE
vs. TEMPERATURE
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
MAX8660 toc53
-40 -15 10 35 60 85
1.70
1.72
1.74
1.76
1.78
1.80
1.82
1.84
1.86
1.88
1.90
300mA LOAD
REG6/REG7 LINE TRANSIENT
MAX8660 toc54
1V/div
V6/V7
V
IN
40µs/div
300mA LOAD, V6/V7 = 1.8V
20mV/div
3.6V
5.0V
REG6/REG7 LOAD TRANSIENT
MAX8660 toc55
100mA/div
I
V6
/I
V7
V6/V7
10µs/div
V6/V7 = 1.8V
50mV/div
10mA
300mA
REG6/REG7 ENABLE WAVEFORM
MAX8660 toc56
500mV/div
2V/div
V
SDA
V6/V7
100µs/div
I
2
C ENABLE SIGNAL
60µs
REG6/REG7 DROPOUT OUTPUT VOLTAGE
vs. LOAD CURRENT
LOAD CURRENT (mA)
DROPOUT VOLTAGE (mV)
MAX8660 toc57
0 100 200 300 400 500
0
20
40
60
80
100
120
140
3.3V OUTPUT
3.0V OUTPUT
THE SLOPE OF THESE LINES
SHOWS THAT THE REG6/REG7
DROPOUT RESISTANCE OF AN
AVERAGE PART MOUNTED ON THE MAXIM
EVALUATION KIT IS 205mΩ.