MAX1587AETL-T Maxim Integrated Products, MAX1587AETL-T Datasheet - Page 11

• Manufacturer Part Number: MAX1587AETL-T
• Description: Other Power Management PMICs w/Dynamic Core for PDAs
• Manufacturer: Maxim Integrated Products

(Circuit of Figure 6, V
Dynamic Core for PDAs and Smart Phones
1040
1000
V
300
250
200
150
100
960
920
880
LX1
V1
I
50
L1
0
2.5
______________________________________________________________________________________
IN
0
= 3.6V, T
REG1 SWITCHING WAVEFORMS
200
3.0
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
DROPOUT VOLTAGE
vs. LOAD CURRENT
WITH 800mA LOAD
T
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
400
A
3.5
A
= +25°C
= +25°C, unless otherwise noted.)
400ns/div
High-Efficiency, Low-I
REG1 3.3V OUTPUT
600
4.0
T
T
A
A
= -40°C
= +85°C
800
4.5
MAX1586A/86B/87A toc12
1000
Typical Operating Characteristics (continued)
5.0
1200
5.5
10mv/div
AC-COUPLED
2V/div
0
0
500mA/div
1.265
1.260
1.255
1.250
1.245
1.240
1.235
1.230
1.225
V
-100
200
150
100
-50
LX1
V1
I
50
L1
0
-40
0
V
IN
= 3.6V
REG1 SWITCHING WAVEFORMS
CHANGE IN OUTPUT VOLTAGE
200
REG1 3.3V OUTPUT
REG2 2.5V OUTPUT
REG3 1.3V OUTPUT
-15
REFERENCE VOLTAGE
vs. LOAD CURRENT
vs. TEMPERATURE
WITH 10mA LOAD
LOAD CURRENT (mA)
TEMPERATURE ( ° C)
400
10
Q
20μs/div
600
PMICs with
35
800
MAX1586A/86B/87A toc13
60
1000
1200
85
50mv/div
AC-COUPLED
2V/div
0
500mA/div
0
11