MAX8561ETA+T Maxim Integrated Products, MAX8561ETA+T Datasheet - Page 5

• Manufacturer Part Number: MAX8561ETA+T
• Description: IC DC-DC CONV ADJ 500MA 8-TDFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8561ETA+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 2.5 V
• Current - Output: 500mA
• Frequency - Switching: 4MHz
• Voltage - Input: 2.7 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Power - Output: 1.95W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
IN
LIGHT-LOAD SOFT-START WAVEFORMS
100Ω LOAD
20mA LOAD
= 3.6V, V
LOAD-TRANSIENT RESPONSE
500mA LOAD
OUT
20µs/div
2µs/div
= 1.2V, L = 1µH (LQH32CN1R0M53), C
DC-DC Converters in Thin SOT and TDFN
_______________________________________________________________________________________
4MHz, 500mA Synchronous Step-Down
20mA LOAD
MAX8560 toc12
MAX8560 toc15
I
200mA/div
I
200mA/div
V
2V/div
I
500mA/div
I
500mA/div
V
1V/div
0
V
50mV/div
0
IN
L
L
LOAD
SHDN
OUT
OUT
OUTPUT-VOLTAGE TRANSIENT RESPONSE
HEAVY-LOAD SOFT-START WAVEFORMS
V
7.5Ω LOAD, L = 2.2µH
3Ω LOAD
Typical Operating Characteristics (continued)
OUT
= 1.0V
OUT
(MAX8561)
V
OUT
40µs/div
20µs/div
= 2.2µF, T
= 1.5V
A
MAX8560 toc16
MAX8560 toc13
= +25°C, unless otherwise noted.)
I
200mA/div
I
200mA/div
V
2V/div
I
200mA/div
0
V
2V/div
V
1V/div
0
V
500mV/div
L
IN
L
SHDN
ODI
OUT
OUT
5Ω LOAD
V
7.5Ω LOAD
BYPASS-FET TRANSIENT RESPONSE
IN
= 4.0V
LINE-TRANSIENT RESPONSE
V
OUT
V
= 1.2V
(MAX8562)
OUT
2µs/div
20µs/div
V
IN
= V
= 3.5V
IN
MAX8560 toc14
MAX8560 toc17
I
200mA/div
0
V
500mV/div
V
20mV/div
L
0
I
500mA/div
0
V
2V/div
V
2V/div
L
IN
OUT
ODI
OUT
5