MAX8805Y MAXIM [Maxim Integrated Products], MAX8805Y Datasheet - Page 3

• Manufacturer Part Number: MAX8805Y
• Description: 600mA PWM Step-Down Converters in 2mm x 2mm WLP for WCDMA PA Power
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
+25°C, unless otherwise noted.) (Note 1)
LX
On-Resistance
LX Leakage Current
p-Channel MOSFET Peak
Current Limit
n-Channel MOSFET Valley
Current Limit
Minimum On- and Off-Times
Power-Up Delay
BYPASS
On-Resistance
Bypass Current Limit
S tep - D ow n C ur r ent Li m i t i n Byp ass V
Total Bypass Current Limit
Bypass Off-Leakage Current
LDO1
Output Voltage V
Output Current
Current Limit
Dropout Voltage
Line Regulation
Load Regulation
Power-Supply Rejection
ΔV
Output Noise
Output Capacitor for Stable
Operation
Shutdown Output Impedance
IN1A
LDO1
= V
/ ΔV
IN1B
PARAMETER
IN2
= V
LDO1
IN2
_______________________________________________________________________________________
= V
2mm x 2mm WLP for WCDMA PA Power
PA_EN
600mA PWM Step-Down Converters in
= V
EN1
p-channel MOSFET switch, I
n-channel MOSFET rectifier, I
V
V
V
From PA_EN rising to LX rising
p-channel MOSFET bypass,
I
V
V
V
V
V
V
V
I
V
I
10Hz to 10kHz, C
100Hz to 100kHz, C
0 < I
0 < I
V
OUT
LDO1
LDO1
IN1A
LX
LX
PA
LX
LX
IN1A
PAA
IN2
IN2
LDO1
IN2
EN1
= 0V
= 0V
= 0
= V
= V
= 0
LDO1
LDO1
= 5.5V, I
= 3.4V, I
stepped from 3.5V to 5.5V, I
= -90mA
= 0V
= V
= 100mA, T
stepped from 50µA to 200mA
= V
= V
= 0V
PA
EN2
PAB
IN1B
IN1B
< 10mA
< 200mA
= 0
= 3.6V, V
LDO1
LDO1
= 0V
= V
= V
LDO1
A
IN2
IN2
= 1mA;
= 100mA
= +25°C (V
LDO1
CONDITIONS
= 5.5V,
= 5.5V,
HP
= 1µF, I
= 0V, V
= 1µF, I
LX
LX
LDO1
LDO1
= -40mA
= 40mA
T
T
T
T
T
T
MAX8805YEWEAA+T
MAX8805YEWEBC+T
MAX8805YEWECC+T
MAX8805YEWEDD+T
MAX8805YEWEEE+T
MAX8805YEWEGG+T
REFIN
LDO1
LDO1
A
A
A
A
A
A
= +25°C
= +85°C
= +25°C
= +85°C
= +25°C
= +85°C
= 30mA
≥ 2.5V)
= 100mA
= 30mA
= 0.9V, T
A
= -40°C to +85°C. Typical values are at T
1.746
2.425
2.619
2.716
2.765
2.910
MIN
200
250
0.7
0.5
0.8
0.7
1.5
0.060
TYP
0.18
0.15
0.01
2.85
150
550
100
0.1
0.9
0.7
0.1
0.1
1.2
0.9
2.1
1.8
2.5
2.7
2.8
3.0
2.4
70
25
70
35
1
1
1
1
1.854
2.575
2.781
2.884
2.936
3.090
MAX
250
750
200
0.6
0.6
1.1
0.9
0.1
1.8
1.1
2.9
10
5
UNITS
µV
mA
mA
mV
mV
mV
dB
kΩ
µA
µA
nF
µF
µs
µs
Ω
Ω
A
A
A
A
A
V
RMS
A
=
3