MAX1947ETA30+T Maxim Integrated Products, MAX1947ETA30+T Datasheet - Page 2

• Manufacturer Part Number: MAX1947ETA30+T
• Description: IC DC-DC CONV 3V 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Up (Boost)r

Specifications of MAX1947ETA30+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3V
• Current - Output: 250mA
• Frequency - Switching: Up to 2MHz
• Voltage - Input: 0.7 ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Power - Output: 1.95W
• Output Voltage: 3 V
• Output Current: 185 mA
• Input Voltage: 0.7 V to 3.6 V
• Supply Current: 70 uA
• Switching Frequency: 650 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: MAX1947ETA30+T

ABSOLUTE MAXIMUM RATINGS
BATT, OUT, SHDN to GND ...................................-0.3V to +4.0V
RESET to GND..........................................-0.3V to (V
PGND to GND .......................................................-0.3V to +0.3V
Switch Current (I
Continuous Power Dissipation (T
Low Input/Output Voltage
Step-Up DC-DC Converter with RESET
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
2
Note 1: LX has internal clamp diodes to PGND and OUT. Applications that forward bias these diodes should take care not to exceed the
Minimum Startup Voltage
Startup-Voltage Temperature
Coefficient
Maximum Input Operating
Voltage
Minimum Input Operating Voltage
Output Voltage
Load Regulation
Full-Load Output Current
Supply Current into BATT
Supply Current into OUT
LX Switch Maximum On-Time
LX Switch Minimum Off-Time
Maximum On-Time to Minimum
Off-Time Ratio
Frequency in Startup
BATT
8-Pin TDFN (derate 24.4mW/°C
above +70°C)..........................................................1951.2mW
_______________________________________________________________________________________
= 1.5V, T
IC’s package power-dissipation limits.
PARAMETER
LX
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
, I
OUT
, I
PGND
) (Note 1) .................-1A to +1A
A
= +70°C)
R
(Note 3)
MAX1947ETA18, I
MAX1947ETA25, I
MAX1947ETA30, I
MAX1947ETA33, I
No load to full load
V
V
No switching
No switching
V
V
LOAD
BATT
BATT
OUT
OUT
= 2.5V, 3.0V, 3.3V
= 1.8V
= 1V
= 1.8V
= 1kΩ, T
OUT
A
= +25°C
LOAD
LOAD
LOAD
LOAD
+ 0.3V)
MAX1947ETA18
MAX1947ETA25
MAX1947ETA30
MAX1947ETA33
MAX1947ETA25
MAX1947ETA30
MAX1947ETA33
CONDITIONS
= 40mA
= 32mA
= 25mA
= 25mA
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
A
= +25°C.) (Note 2)
MIN
1.74
2.42
160
130
100
100
240
200
200
2.9
3.2
0.7
0.2
3.6
3.0
TYP
0.25
-2.1
273
214
185
169
380
361
329
650
0.8
0.7
1.8
2.5
3.0
3.3
1.2
70
2
1
4
4
MAX
0.95
1.86
2.58
110
3.6
3.1
3.4
1.3
0.3
4.6
4.6
4
UNITS
mV/°C
kHz
mA
s/s
µA
µA
µs
µs
%
V
V
V
V