MAX8625AETD+T Maxim Integrated Products, MAX8625AETD+T Datasheet - Page 7

• Manufacturer Part Number: MAX8625AETD+T
• Description: IC PWM STEP-UP/DWN REG 14-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX8625AETD+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3.3V, 1.25 ~ 4 V
• Current - Output: 800mA
• Frequency - Switching: 1MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN Exposed Pad
• Power - Output: 1.48W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
IN
= 3.6V, SKIP = GND, T
2.48
2.46
2.44
2.42
2.40
2.38
2.36
2.34
2.32
2.30
2.28
1.28
1.27
1.26
1.25
1.24
1.23
1.22
_______________________________________________________________________________________
-50
-40
REFERENCE vs. TEMPERATURE
A
MINIMUM STARTUP VOLTAGE
-20
-25
= +25°C, Figure 4, unless otherwise noted.)
High-Efficiency, Seamless Transition,
vs. TEMPERATURE
WITH 300mA LOAD
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
20
25
V
OUT
40
= 3.3V, NO LOAD
50
Step-Up/Down DC-DC Converter
60
V
Typical Operating Characteristics (continued)
V
OUT
IN
FPWM MODE V
75
= 3.0V,
80
= 3.3V
3.6V,
4.2V,
5.0V
BOOST-TO-BUCK TRANSITION
100
100
IN
2µs/div
= 3.6V, V
OUT
1.28
1.27
1.26
1.25
1.24
1.23
1.22
= 3.288V
MAX8625A toc26
-40
REFERENCE vs. TEMPERATURE
-20
SHUTDOWN DUE TO OVERLOAD
V
100mV/div
AC-COUPLED
V
1V/div
DC OFFSET = 3V
I
200mA/div
LX
OUT
IN
V
IN
= 3.6V, V
0
TEMPERATURE (°C)
NO LOAD
20
100µs/div
OUT
40
= 3.288V
60
V
V
OUT
IN
MAX8625A toc25
= 3.0V,
80
= 3.3V
3.6V,
4.2V,
5.0V
100
V
2V/div
V
500mV/div
I
500mA/div
V
2V/div
LX
LX2
OUT
LX1
7