Datasheet

MaximIntegrated │ 10
www.maximintegrated.com
MAX15062 60V, 300mA, Ultra-Small, High-Efciency,
Synchronous Step-Down DC-DC Converters
Typical Operating Characteristicsc (continued)
(V
IN
= 24V, V
GND
= 0V, C
IN
= C
VCC
= 1µF, V
EN/UVLO
= 1.5V, T
A
= +25°C, unless otherwise noted.)
50mV/div
100mA/div
toc25a
40µs/div
V
OUT
(AC)
I
OUT
LOAD TRANSIENT RESPONSE
PWM MODE (LOAD CURRENT STEPPED
FROM NO LOAD TO 150mA)
FIGURE 7
APPLICATION CIRCUIT
V
OUT
= 2.5V
SWITCHING WAVEFORMS
(PFM MODE)
MAX15062 toc26
FIGURE 6 APPLICATION CIRCUIT
V
OUT
= 5V, LOAD = 20mA
10µs/div
V
OUT
(AC)
100mV/div
I
OUT
100mA/div
V
LX
10V/div
200mV/div
toc25b
40µs/div
I
OUT
LOAD TRANSIENT RESPONSE
PWM MODE (LOAD CURRENT STEPPED
FROM NO LOAD TO 150mA)
100mA/div
V
OUT
(AC)
FIGURE 8
APPLICATION CIRCUIT
V
OUT
= 12V
FULL-LOAD SWITCHING WAVEFORMS
(PWM OR PFM MODE)
MAX15062 toc27
V
OUT
= 5V,
LOAD = 300mA
2µs/div
V
OUT
(AC)
20mV/div
I
OUT
200mA/div
V
LX
10V/div
LOAD TRANSIENT RESPONSE,
PWM MODE (LOAD CURRENT
STEPPED FROM NO LOAD TO 150mA)
MAX15062 toc24
FIGURE 5
APPLICATION CIRCUIT
V
OUT
= 3.3V
40µs/div
V
OUT
(AC)
100mV/div
I
OUT
100mA/div
LOAD TRANSIENT RESPONSE,
PWM MODE PWM mode (LOAD CURRENT
STEPPED FROM NO LOAD TO 150mA)
MAX15062 toc25
FIGURE 6
APPLICATION CIRCUIT
V
OUT
= 5V
40µs/div
V
OUT
(AC)
100mV/div
I
OUT
100mA/div