MAX8805XEWEBC+T Maxim Integrated Products, MAX8805XEWEBC+T Datasheet - Page 9

• Manufacturer Part Number: MAX8805XEWEBC+T
• Description: IC PWM STEP-DN CONV 650MA 16-WLP
• Manufacturer: Maxim Integrated Products

Specifications of MAX8805XEWEBC+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

(V
erwise noted.)
IN1A
600mA/650mA PWM Step-Down Converters in
= V
IN1B
V
= V
V
V
REFIN
V
REFIN
REFIN
V
V
PA_
PA_
PA_
I
I
I
LX
LX
LX
IN2
PA STEP-DOWN CONVERTER AUTOMATIC
_______________________________________________________________________________________
0.6V
1.2V
PA STEP-DOWN CONVERTER OUTPUT
PA STEP-DOWN CONVERTER OUTPUT
0.5V
0.66V
BYPASS-FET TRANSIENT RESPONSE
= 3.6V, V
VOLTAGE TRANSIENT RESPONSE
VOLTAGE TRANSIENT RESPONSE
2mm x 2mm WLP for WCDMA PA Power
(MAX8805W/MAX8805X)
(MAX8805Y/MAX8805Z)
(MAX8805Y/MAX8805Z)
1.8V
PA_
1V
3.6V
10µs/div
10µs/div
10µs/div
= 1.2V, V
1.25V
MAX8805W/X/Y/Z toc28
MAX8805W/X/Y/Z toc30
MAX8805W/X/Y/Z toc32
LDO1
0.5V
0.6V
0.66V
Typical Operating Characteristics (continued)
1.2V
= 2.85V, V
500mV/div
500mA/div
500mV/div
500mV/div
500mA/div
500mV/div
1V/div
2V/div
500mA/div
LDO2
= 2.85V, R
V
REFIN
V
V
V
PA_
V
I
V
PA_
PA_
LX
I
I
HP
HP
LX
LX
PA
PA STEP-DOWN CONVERTER AUTOMATIC
V
2V SINUSOIDAL
SIGNAL
1.2V
0V
BYPASS-FET TRANSIENT RESPONSE
1.2V
REFIN
PA STEP-DOWN CONVERTER FORCED
0V
BYPASS-FET TRANSIENT RESPONSE
= 7.5Ω, circuit of Figure 5, T
BYPASS-FET TRANSIENT RESPONSE
PA STEP-DOWN CONVERTER
IS A 0.4V TO
(MAX8805Y/MAX8805Z)
(MAX8805W/MAX8805X)
(MAX8805Y/MAX8805Z)
1.5V
2V
3.6V
200µs/div
3.6V
3.6V
20µs/div
20µs/div
MAX8805W/X/Y/Z toc33
MAX8805W/X/Y/Z toc31
MAX8805W/X/Y/Z toc29
0V
0V
1.2V
1.2V
A
= +25°C, unless oth-
1V/div
500mA/div
1V/div
2V/div
500mA/div
2V/div
2V/div
500mA/div
2V/div
9