MAX8625AETD+T Maxim Integrated Products, MAX8625AETD+T Datasheet - Page 5

• 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
CH1 = V
CH2 = V
2V/div
2V/div
2V/div
2V/div
1000
900
800
700
600
500
400
300
200
100
V
V
LX1
LX2
LX1
LX2
0
2.0
V
_______________________________________________________________________________________
IN
= 3.3V, LOAD = 500mA, V
2.5
MAXIMUM LOAD CURRENT
SWITCHING WAVEFORMS
V
A
3.0
IN
vs. INPUT VOLTAGE
= +25°C, Figure 4, unless otherwise noted.)
High-Efficiency, Seamless Transition,
= 3V, LOAD = 20mA,
INPUT VOLTAGE (V)
V
OUT
3.5
SKIP MODE
10µs/div
1µs/div
= 3.288V
4.0
4.5
V
OUT
5.0
OUT
Step-Up/Down DC-DC Converter
MAX8625A toc12
MAX8625A toc14
= 3.3V
5.5
= 3.3V
Typical Operating Characteristics (continued)
6.0
I
500mA/div
I
500mA/div
V
50mV/div
(AC-COUPLED)
V
20mV/div
(AC-COUPLED)
LX
LX
OUT
OUT
2V/div
2V/div
2V/div
2V/div
2V/div
2V/div
V
V
V
V
V
V
LX2
LX1
LX2
LX1
LX1
LX2
V
V
IN
IN
= 3.6V, LOAD = 500mA, V
= 3V, LOAD = 500mA, V
SWITCHING WAVEFORMS
SWITCHING WAVEFORMS
V
IN
= 3V, LOAD = 20mA,
V
FPWM MODE
OUT
1µs/div
1µs/div
1µs/div
= 3.308V
OUT
OUT
MAX8625A toc15
MAX8625A toc11
MAX8625A toc13
= 3.3V
= 3.3V
I
500mA/div
V
20mV/div
(AC-COUPLED)
I
500mA/div
LX
V
50mV/div
(AC-COUPLED)
I
500mA/div
V
50mV/div
(AC-COUPLED)
LX
LX
OUT
OUT
OUT
5