MAX8660BETL+T Maxim Integrated Products, MAX8660BETL+T Datasheet - Page 13

• Manufacturer Part Number: MAX8660BETL+T
• Description: Other Power Management Low-IQ PMIC w/Dynamic V Mgt
• Manufacturer: Maxim Integrated Products

Specifications of MAX8660BETL+T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

(Circuit of Figure 3, V
1.85
1.83
1.81
1.79
1.77
1.75
95
90
85
80
75
70
65
60
55
50
I
V2
V2
0.01
0
REG2 EFFICIENCY vs. LOAD CURRENT
V
IN
= 3.6V
0.1
REG2 LOAD REGULATION
200
REG2 LOAD TRANSIENT
FORCED-PWM
NORMAL
L2 = 2.0µH
(TOKO DE2812C)
Voltage Management for Mobile Applications
LOAD CURRENT (mA)
600mA
High-Efficiency, Low-I
LOAD CURRENT (mA)
V
IN
V
1
IN
400
20µs/div
= 3.6V
= 4.2V
______________________________________________________________________________________
IN
= 3.6V, T
10
600
10mA
-1.7%/A
FORCED-PWM
NORMAL
V2 = 1.8V
V2 = 1.8V
100
MAX8660 toc21
A
800
= +25°C, unless otherwise noted.)
1000
100mV/div
200mA/div
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
V
LX2
I
V2
Typical Operating Characteristics (continued)
REG2 HEAVY-LOAD SWITCHING WAVEFORMS
L2
REG2 OUTPUT VOLTAGE vs. TEMPERATURE
2.5
-40
800mA LOAD
3.0
-15
REG2 OUTPUT VOLTAGE
800mA LOAD
vs. INPUT VOLTAGE
3.5
INPUT VOLTAGE (V)
TEMPERATURE (°C)
10
4.0
400ns/div
10mA LOAD
4.5
35
Q
5.0
800mA LOAD
, PMICs with Dynamic
60
MAX8660 toc22
5.5
6.0
85
2V/div
1A/div
0A
2mV/div
300
250
200
150
100
V
50
V
LX2
V2
V2
I
REG2 DROPOUT VOLTAGE vs. LOAD CURRENT
0
REG2 LIGHT-LOAD SWITCHING WAVEFORMS
L2
IN
0
THE NOMINAL ESR OF TOKO'S 2.0 µH
DE2812C INDUCTOR IS 67mΩ. THE NOMINAL
p-CHANNEL RESISTANCE OF THE REG2 IS
180mΩ. THE SLOPE OF THIS LINE SHOWS
THAT THE TOTAL REG2 DROPOUT
RESISTANCE OF AN AVERAGE
PART, BOARD, INDUCTOR
COMBINATION IS 255mΩ.
450mA LOAD,
V2 = 1.8V
3.6V
200
REG2 LINE TRANSIENT
LOAD CURRENT (mA)
400
40µs/div
2µs/div
5.0V
600
30mA LOAD
800
MAX8660 toc23
MAX8660 toc17
1000
2V/div
20mV/div
1V/div
100mV/div
200mA/div
0A
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