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| MAX14720 Datasheet, PDF (11/38 Pages) Maxim Integrated Products – Extended System Battery Use Time | |||
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MAX14720/MAX14750
Power-Management Solution
Typical Operating Characteristics (continued)
(VCC = VBIN = VLIN = VHVIN = VSWIN = 2.7V, TA = +25°C, all registers in their default state, unless otherwise noted.)
IHVOUT
VHVOUT
BUCK-BOOST
TRANSIENT RESPONSE
1.85
VLOUT vs. LOAD
toc11
1.825
50mA/div
1.8
50mV/div
1.775
VCC = 2.7V, 3.7V
100µs/div
1.75
0
20
40
60
80
100
IB1OUT (mA)
LDO LOAD TRANSIENT toc12
ILOUT
50mA/div
VLOUT
100µs/div
200mV/div
LDO LINE TRANSIENT
(VLIN CHANGED FROM 2V to 3V)
toc13
LDO LINE TRANSIENT
(VLIN CHANGED FROM 1.75V to 2.75V, ILOUT = 10mA
VLIN
1V/div
VLIN
1V/div
VLOUT
100µs/div
20mV/div
VLOUT
100µs/div
200mV/div
POWER SWITCH ON-RESISTANCE
0.5
vs. VSWIN
toc15
ISWOUT = 200mA
0.4
0.3
TA = +85°C TA = +25°C
0.2
TA = -40°C
0.1
0
1.8
2.8
3.8
4.8
5.8
VSWIN (V)
BUCK SWITCHING FREQUENCY
2.5
vs. TEMPERATURE
toc16
IBOUT = 10mA
2.25
VCC = 2.7V
2
1.75
VCC = 3.7V
1.5
-40
-15
10
35
60
85
TEMPERATURE (°C)
www.maximintegrated.com
Maxim Integrated ââ 11
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