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MAX77813 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX77813
Description  5.5V Input, 2A, High-Efficiency Buck-Boost Converter
PDF  30 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX77813 Datasheet(HTML) 3 Page - Maxim Integrated Products

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(VSYS = VIN = +3.8V, VOUTS = VOUT = +3.3V, TJ = -40°C to +125°C, typical values are at TA ≈ TJ = +25°C, unless otherwise noted.)
(Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Input Voltage Range
VIN
2.30
5.50
V
Shutdown Supply Current
ISHDN_25C
EN = low, TJ = +25°C
0.1
µA
ISHDN_125C
EN = low, TJ = +125°C
1
Input Supply Current
IQ_SKIP
SKIP mode, no switching,
TJ = -40° to +85°C
55
70
µA
IQ_PWM
FPWM mode, no load
6
mA
Active Discharge Resistance
RDISCHG
100
Ω
Thermal Shutdown Threshold
TSHDN
Rising, +20°C hysteresis
+165
°C
H-BRIDGE
Output Voltage Range
VOUT
I2C programmable (20mV Step)
2.60
5.14
V
Output Voltage Accuracy
VOUT_ACC1
FPWM mode, VOUT[6:0] = 0x28, no load,
TJ = +25°C
-1.0
+1.0
%
VOUT_ACC2
SKIP mode, VOUT[6:0] = 0x28,
no load, TJ = +25°C
-1.0
+4.5
Line Regulation
VIN = 2.63V to 5.5V
0.200
%/V
Load Regulation
(Note 5)
0.125
%/A
Line Transient Response
VOS1
VUS1
IOUT = 1.0A, VIN changes from 3.4V to
2.9V in 25µs (20mV/µs),
L = 1µH, COUT_NOM = 47µF (Note 5)
50
mV
Load Transient Response
VOS2
VUS2
VIN = 3.4V, IOUT changes from 10mA to
1.5A in 15µs, L = 1µH, COUT_NOM = 47µF
(Note 5)
50
mV
Output Voltage Ramp-Up
Slew Rate
BB_RU_SR = 0
20
mV/µs
BB_RU_SR = 1
40
Output Voltage Ramp-Down
Slew Rate
BB_RD_SR = 0
5
mV/µs
BB_RD_SR = 1
10
Typical Condition Efficiency
ηTYP
IOUT = 100mA (Note 5)
95
%
Peak Efficiency
ηPK
(Note 5)
97
%
LX1/2 Current Limit
ILIM_LX
ILIM = high
3.70
4.50
5.70
A
ILIM = low
1.2
1.80
2.65
High-Side PMOS ON
Resistance
RDSON(PMOS) ILX = 100mA per switch
40
mΩ
Low-Side NMOS ON
Resistance
RDSON(NMOS) ILX = 100mA per switch
55
mΩ
Switching Frequency
fSW
PWM mode, TJ = +25°C
2.25
2.50
2.75
MHz
MAX77813
5.5V Input, 2A, High-Efficiency
Buck-Boost Converter
www.maximintegrated.com
Maxim Integrated │ 3
Buck-Boost Electrical Characteristics



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