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MAX16962 Arkusz danych(PDF) 4 Page - Maxim Integrated Products

Numer części MAX16962
Szczegółowy opis  4A, 2.2MHz, Synchronous Step-Down DC-DC Converter
PDF  13 Pages
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Producent  MAXIM [Maxim Integrated Products]
Strona internetowa  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX16962 Arkusz danych(HTML) 4 Page - Maxim Integrated Products

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MAX16962
4A, 2.2MHz, Synchronous Step-Down
DC-DC Converter
4
Maxim Integrated
Typical Operating Characteristics
(VPV = VPV1 = 5V, VEN = 5V, TA = +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(VPV = VPV1 = VPV2 = 5V, VEN = 5V, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
Note 2: All limits are 100% production tested at +25°C. Limits over temperature are guaranteed by design.
Note 3: Calculated value based on an assumed inductor current ripple of 30%.
Note 4: For SYNC frequency outside (1.7, 2.4) MHz, contact factory.
Note 5: LX_ has internal clamp diodes to PGND_ and IN_. Applications that forward bias these diodes should take care not to
exceed the IC’s package power dissipation limits.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Hysteresis
50
mV
Pulldown Resistor
50
100
200
kI
DIGITAL OUTPUT (SYNC AS OUTPUT)
Output Voltage Low
VOL
ISINK = 3mA
0.4
V
Output Voltage High
VOH
VPV = 5V, ISOURCE = 3mA
4.2
V
EFFICIENCY vs. LOAD CURRENT (SKIP)
LOAD CURRENT (A)
1
0.1
0.01
0.001
10
20
30
40
50
60
70
80
90
100
0
010
VIN = 5V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 3.3V
fSW = 2.2MHz, SKIP MODE
EFFICIENCY vs. LOAD CURRENT (PWM)
LOAD CURRENT (A)
1.0
0.1
0.01
0.001
10
10
20
30
40
50
60
70
80
90
100
0
VOUT = 1.2V
VOUT = 3.3V
VOUT = 1.8V
fSW = 2.2MHz, PWM MODE
VIN = 5V
EFFICIENCY vs. LOAD CURRENT (PWM)
LOAD CURRENT (A)
1.0
0.1
0.01
0.001
10
10
20
30
40
50
60
70
80
90
100
0
VOUT = 1.2V
VOUT = 2.5V
VOUT = 1.8V
fSW = 2.2MHz, PWM MODE
VIN = 3.3V



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