MAX1958 Ver la hoja de datos (PDF) - Maxim Integrated
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Fabricante
MAX1958 Datasheet PDF : 24 Pages
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W-CDMA/N-CDMA Cellular Phone HBT PA
Management ICs
ELECTRICAL CHARACTERISTICS (TEMPERATURE SENSOR)
(VINP = VIN = VVCC = V SHDN3 = 2.7V, VAGND = VPGND = VPWM = V SHDN1 = V SHDN2 = VADJ = 0, IN- = IN+ = AOUT = COMP = LX =
OUT = REF = unconnected, CTOUT = 0.01µF (min), TA = -40°C to +85°C, unless otherwise noted.) (Note 5)
PARAMETER
Temperature Sensor Error
(Note 3)
Load Regulation
Line Regulation
Quiescent Current
SHDN3 Logic High Voltage
SHDN3 Logic Low Voltage
SHDN3 Current
CONDITIONS
TA = -40°C (Note 2)
TA = +25°C (Note 2)
TA = +85°C
0 ≤ ILOAD ≤ 15µA
2.6V ≤ VVCC ≤ 5.5V
2.6V ≤ VVCC ≤ 5.5V
2.6V < VVCC < 5.5V
2.6V < VVCC < 5.5V
VVCC = 5.5V
MIN TYP MAX UNITS
-7
+4
-2.5
+2.5
°C
-2.5
+2.5
-5
mV
-2.3 mV/V
18
µA
1.6
V
0.6
V
1
µA
Note 2: Guaranteed by design, not production tested.
Note 3: VTOUT = (-4 x 10-6) ✕ (T2°C) - (1.13 ✕ 10-2) ✕ (T°C) + 1.8708V.
Note 4: Linearized gain = VTOUT = -11.64mV/°C + 1.8778V.
Note 5: Specifications to -40°C are guaranteed by design and not subject to production test.
(TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
100
95
90
SKIP MODE
VIN = 3.6V
85
80
PWM
VIN = 3.6V
SKIP MODE
VIN = 4.2V
75
PWM
70
VIN = 4.2V
65
60
10
VOUT = 3.4V
100
1000
LOAD CURRENT (mA)
Typical Operating Characteristics
EFFICIENCY vs. LOAD CURRENT
100
SKIP MODE
90 VIN = 3.6V
80
70
60
50
40
30
10
SKIP MODE
VIN = 4.2V
PWM
VIN = 3.6V
PWM
VIN = 4.2V
VOUT = 1.5V
100
1000
LOAD CURRENT (mA)
EFFICIENCY vs. LOAD CURRENT
100
90
80
70
60
50
40
10
SKIP MODE
VIN = 3.6V
SKIP MODE
VIN = 4.2V
PWM
VIN = 3.6V
PWM
VIN = 4.2V
VOUT = 2.5V
100
1000
LOAD CURRENT (mA)
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