MAX1959ETP-T Maxim Integrated Products, MAX1959ETP-T Datasheet - Page 7

• Manufacturer Part Number: MAX1959ETP-T
• Description: DC/DC Switching Converters WCDMA/NCDMA HBT PA Mgt IC
• Manufacturer: Maxim Integrated Products

Specifications of MAX1959ETP-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (STEP-DOWN CONVERTER) (continued)
(V
AOUT = TOUT = unconnected, C
otherwise noted.) (Note 5)
CONTROLLER
P-Channel On-Resistance
N-Channel On-Resistance
P-Channel Current-Limit
Threshold
P-Channel Pulse-Skipping
Current Threshold
LX Leakage Current
LX RMS Current
Maximum Duty Cycle
Minimum Duty Cycle
Oscillator Frequency
LOGIC INPUTS (PWM, SHDN1)
Logic Input High
Logic Input Low
Logic Input Current
INP
= V
IN
PARAMETER
= V
VCC
W-CDMA/N-CDMA Cellular Phone HBT PA
= V
_______________________________________________________________________________________
SHDN1
= 3.6V, V
REF
I
I
I
I
V
V
(Note 1)
V
2.6V < V
2.6V < V
V
LX
LX
LX
LX
= 0.1µF, T
PWM
IN
PWM
IN
= 180mA, V
= 180mA, V
= 180mA, V
= 180mA, V
= 5.5V
= 5.5V
PWM
= 0
= 0
IN
IN
= V
< 5.5V
< 5.5V
A
PGND
= -40°C to +85°C, V
IN
IN
IN
IN
= 3.6V
= 2.6V
= 3.6V
= 2.6V
= V
CONDITIONS
AGND
= V
SHDN2
OUT
for MAX1958 = 2.2V, V
= V
SHDN3
Management ICs
= 0, V
ADJ
0.11
MIN
100
1.1
-20
0.8
1.6
OUT
= 1.25V, COMP = IN- = IN+ =
for MAX1959 = 1.7V, unless
TYP
MAX
0.35
0.18
+20
0.4
0.5
0.3
1.6
1.0
1.2
0.6
0
1
UNITS
MHz
µA
µA
%
%
Ω
Ω
A
A
A
V
V
7