MAX8805XEWEAA+T Maxim Integrated Products, MAX8805XEWEAA+T Datasheet - Page 8

• Manufacturer Part Number: MAX8805XEWEAA+T
• Description: IC PWM STEP-DN CONV 650MA 16-WLP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8805XEWEAA+T

• Applications: Converter, WCDMA PA Power
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 1
• Voltage - Output: 0.4 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-WLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

600mA/650mA PWM Step-Down Converters in
2mm x 2mm WLP for WCDMA PA Power
(V
erwise noted.)
8
IN1A
_______________________________________________________________________________________
= V
IN1B
AC-COUPLED
AC-COUPLED
= V
V
PA_EN
V
V
V
V
I
IN1_
PA_
TRANSIENT RESPONSE (MAX8805X/MAX8805Z)
TRANSIENT RESPONSE (MAX8805X/MAX8805Z)
PA_
PA_
PA_
IN2
I
I
I
LX
LX
LX
WAVEFORMS (MAX8805X/MAX8805Z)
= 3.6V, V
0mA
4.0V
PA STEP-DOWN CONVERTER LOAD
PA STEP-DOWN CONVERTER LINE
PA STEP-DOWN SOFT-START
PA_
500mA
3.5V
20µs/div
10µs/div
= 1.2V, V
10µs/div
MAX8805W/X/Y/Z toc22
LDO1
MAX8805W/X/Y/Z toc24
MAX8805W/X/Y/Z toc26
Typical Operating Characteristics (continued)
= 2.85V, V
0mA
4.0V
2V/div
500mA/div
1V/div
500mV/div
200mA/div
500mA/div
100mV/div
50mV/div
500mA/div
LDO2
= 2.85V, R
AC-COUPLED
AC-COUPLED
V
PA_EN
V
V
V
V
TRANSIENT RESPONSE (MAX8805W/MAX8805Y)
I
TRANSIENT RESPONSE (MAX8805W/MAX8805Y)
PA_
IN1_
PA_
PA_
PA_
I
I
PA
I
LX
LX
LX
WAVEFORMS (MAX8805W/MAX8805Y)
= 7.5Ω, circuit of Figure 5, T
4.0V
0mA
PA STEP-DOWN CONVERTER LOAD
PA STEP-DOWN CONVERTER LINE
PA STEP-DOWN SOFT-START
500mA
3.5V
20µs/div
10µs/div
10µs/div
MAX8805W/X/Y/Z toc23
MAX8805W/X/Y/Z toc27
MAX8805W/X/Y/Z toc25
0mA
A
4.0V
= +25°C, unless oth-
2V/div
200mA/div
500mA/div
100mV/div
1V/div
500mA/div
500mV/div
50mV/div
200mA/div