MAX1652 Maxim, MAX1652 Datasheet - Page 8

• Manufacturer Part Number: MAX1652
• Description: High-Efficiency / PWM / Step-Down DC-DC Controllers in 16-Pin QSOP
• Manufacturer: Maxim

High-Efficiency, PWM, Step-Down
DC-DC Controllers in 16-Pin QSOP
8
(Circuit of Figure 1, SKIP = GND, T
_______________________________________________________________________________________
VOLTAGE
VOLTAGE
VOLTAGE
VOLTAGE
OUTPUT
OUTPUT
LX
LX
V
V
SET TO 5V OUTPUT (FB = VL)
IN
IN
= 6V, 3.3V/3A CIRCUIT
= 5.1V, NO LOAD, 3.3V/3A CIRCUIT,
PULSE-WIDTH-MODULATION
DROPOUT WAVEFORMS
MODE WAVEFORMS
TIME (1 s)
TIME (5 s)
A
= +25°C, unless otherwise noted.)
MAX1652-13
MAX1652-15
500
400
300
200
100
Typical Operating Characteristics (continued)
0
10mV/div,
AC
5V/div
10mV/div,
AC
5V/div
0.01
OUTPUT SET FOR 5V (FB = V
V
LOAD CURRENT (3.3V/3A CIRCUIT)
OUT
> 4.85V
DROPOUT VOLTAGE vs.
f = 300kHz
LOAD CURRENT (A)
0.1
L
)
1
f = 150kHz
VOLTAGE
VOLTAGE
CURRENT
VOLTAGE
OUTPUT
OUTPUT
LOAD
10
LX
I
V
LOAD
IN
= 15V, 3.3V/3A CIRCUIT
= 300mA, V
LOAD-TRANSIENT RESPONSE
IDLE-MODE WAVEFORMS
IN
TIME (2.5 s)
TIME (10 s)
= 10V, 3.3V/3A CIRCUIT
MAX1652-14
MAX1652-16
50mV/div,
AC
5V/div
100mV/div,
AC
2A/div