OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

MAX8815AETB+T

P1-P3P4-P6P7-P9P10-P12P13-P15
MAX8815A
1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
4 _______________________________________________________________________________________
Typical Operating Characteristics
(V
OUTS
= V
POUT
= 5V, V
BATT
= V
ON
= 3.6V, V
SKIPB
= GND.)
EFFICIENCY vs. LOAD
CURRENT, V
OUT
= 3.3V
MAX8815A toc01
OUTPUT CURRENT (mA)
EFFICIENCY (%)
100101
10
20
30
40
50
60
70
80
90
100
0
0.1 1000
V
IN
= 3.0V, SKIP
= 2.5V, SKIP
V
IN
= 3.0V, FPWM
= 2.5V, FPWM
= 1.8V, FPWM
= 1.5V, FPWM
V
IN
= 1.8V, SKIP
= 1.5V, SKIP
EFFICIENCY vs. LOAD
CURRENT, V
OUT
= 5V
MAX8815A toc02
OUTPUT CURRENT (mA)
EFFICIENCY (%)
100101
10
20
30
40
50
60
70
80
90
100
0
0.1 1000
V
IN
= 4.2V,
SKIP
SKIP
V
IN
= 3.6V,
= 3V,
= 2.4V,
= 1.8V,
= 1.5V
FPWM
V
IN
= 4.2V,
= 3.6V,
= 3V,
= 2.4V,
= 1.8V,
= 1.5V
0
0.4
0.2
0.8
0.6
1.2
1.0
1.4
1.2 2.21.7 2.7 3.2 3.7
MAXIMUM LOAD CURRENT
vs. INPUT VOLTAGE
MAX8815A toc03
INPUT VOLTAGE (V)
LOAD CURRENT (A)
V
OUT
= 5V
V
OUT
= 3.3V
4.80
4.90
4.85
5.00
4.95
5.05
5.10
0.1 101 100 1000
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX8815A toc04
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
FPWM
SKIP
V
IN
= 3.6V,
= 3V,
= 2.5V,
= 1.8V,
= 1.5V
3.14
3.16
3.18
3.20
3.22
3.28
3.26
3.24
3.30
3.32
3.36
3.34
3.38
0.1 1 10 100 1000
OUTPUT VOLTAGE
vs. LOAD CURRENT
MAX8815A toc05
LOAD CURRENT (mA)
OUTPUT VOLTAGE (V)
FPWM
SKIP
V
IN
= 3.0V,
= 2.5V,
= 1.8V,
= 1.5V
0
2
1
4
3
5
6
1.2 3.22.2 4.2 5.2 6.2
OUTPUT VOLTAGE
vs. INPUT VOLTAGE
MAX8815A toc06
INPUT VOLTAGE (V)
OUTPUT VOLTAGE (V)
MAX8815A
1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
_______________________________________________________________________________________
5
0
40
20
80
60
100
120
1.2 3.22.2 4.2 5.2 6.2
EP TEMPERATURE
vs. INPUT VOLTAGE
MAX8815A toc07
INPUT VOLTAGE (V)
EP TEMPERATURE (°C)
MEASURED AT THE BOTTOM SIDE VIA
UNDERNEATH THE EP ON THE MAX8815A
EVALUATION KIT
I
OUT
= 0.5A
I
OUT
= 1A
V
OUT
= 5V
T
A
= +25°C
0
200
100
400
300
500
600
1.2 3.22.2 4.2 5.2 6.2
INPUT CURRENT
vs. INPUT VOLTAGE, V
OUT
= 3.3V
MAX8815A toc08
INPUT VOLTAGE (V)
INPUT CURRENT (μA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
150
100
50
200
250
300
350
400
450
500
1.2 3.22.2 4.2 5.2 6.2
INPUT CURRENT
vs. INPUT VOLTAGE, V
OUT
= 5V
MAX8815A toc09
INPUT VOLTAGE (V)
INPUT CURRENT (μA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
600
400
200
800
1000
1200
1400
1600
1800
2000
1.2 3.22.2 4.2 5.2 6.2
INPUT CURRENT
vs. INPUT VOLTAGE, DURING SHUTDOWN
MAX8815A toc10
INPUT VOLTAGE (V)
INPUT CURRENT (nA)
T
A
= -40°C
T
A
= +25°C
T
A
= +85°C
0
400
200
800
600
1000
1200
1.2 2.41.8 3.0 3.6
STARTUP LOAD
vs. INPUT VOLTAGE
MAX8815A toc11
INPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
T
A
= +25°C
T
A
= +85°C
0
1500
1000
500
2000
2500
3000
3500
4000
4500
5000
0 500
1000
1500
SOFT-START TIME
vs. LOAD CURRENT
MAX8815A toc12
LOAD CURRENT (mA)
SOFT-START TIME (μs)
Typical Operating Characteristics (continued)
(V
OUTS
= V
POUT
= 5V, V
BATT
= V
ON
= 3.6V, V
SKIPB
= GND.)
0
200
400
600
800
1000
1200
1400
1600
1.2 2.2 3.2 4.2 5.2 6.2
SOFT-START TIME
vs. INPUT VOLTAGE
MAX8815A toc13
INPUT VOLTAGE (V)
SOFT-START TIME (μs)
MAX8815A
1A, 97% Efficiency, 30µA Quiescent Current
Step-Up Converter with True Shutdown
6 _______________________________________________________________________________________
200ns/div
HEAVY-LOAD SWITCHING
WAVEFORMS
50mV/div
AC-COUPLED
V
OUT
V
LX
I
LX
MAX8815A toc14
0A
5V/div
0V
1A/div
I
OUT
= 500mA
2
μs/div
LIGHT-LOAD SWITCHING
WAVEFORMS (SKIPB = LOW)
20mV/div
AC-COUPLED
V
OUT
V
LX
I
LX
MAX8815A toc15
0A
2V/div
0V
500mA/div
I
OUT
= 10mA
200ns/div
LIGHT-LOAD SWITCHING
WAVEFORMS (SKIPB = HIGH)
20mV/div
AC-COUPLED
V
OUT
V
LX
I
LX
MAX8815A toc16
0A
2V/div
0V
500mA/div
I
OUT
= 10mA
100
μs/div
LINE TRANSIENT
20mV/div
AC-COUPLED
V
IN
V
OUT
MAX8815A toc17
2V/div
0V
3V
4.2V
3V
1ms/div
LOAD TRANSIENT
V
OUT
200mV/div
5V DC OFFSET
500mV/div
MAX8815A toc18
I
OUT
800mA
10mA
0A
200μs/div
STARTUP WAVEFORM
(NO LOAD)
V
EN
V
OUT
V
LX
I
LX
MAX8815A toc19
5V/div
5V/div
0V
5V/div
0V
1A/div
0A
Typical Operating Characteristics (continued)
(V
OUTS
= V
POUT
= 5V, V
BATT
= V
ON
= 3.6V, V
SKIPB
= GND.)
P1-P3P4-P6P7-P9P10-P12P13-P15

MAX8815AETB+T

Mfr. #:
Buy MAX8815AETB+T
Manufacturer:
Maxim Integrated
Description:
Switching Voltage Regulators Step-Up DC/DC Converter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet