MAX8667ETEHR+ Maxim Integrated Products, MAX8667ETEHR+ Datasheet - Page 6

• Manufacturer Part Number: MAX8667ETEHR+
• Description: IC DC-DC CONV W/DUAL LDO 16TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8667ETEHR+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 4
• Voltage - Output: 1.2V, 1.8V, 2.6V, 2.8V
• Current - Output: 600mA, 1.2A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.6 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Power - Output: 1.67W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.5MHz Dual Step-Down DC-DC Converters
with Dual LDOs and Individual Enables
(V
6
IN12
_______________________________________________________________________________________
= V
IN34
V
V
V
I
I
OUT4
OUT4
OUT2
V
OUT2
OUT2
= 3.6V, circuit of Figure 4, V
LX2
I
I
L2
L2
500µA LOAD
0mA
10mA
OUT2 LIGHT-LOAD SWITCHING
OUT4 LOAD TRANSIENT
OUT2 LOAD TRANSIENT
300mA
WAVEFORMS
10µs/div
40µs/div
10µs/div
600mA
OUT1
0mA
MAX8667/88 toc19
MAX8667/88 toc21
MAX8667/88 toc17
10mA
= 1.2V, V
Typical Operating Characteristics (continued)
50mV/div
(AC-COUPLED)
20mV/div
500mA/div
200mA/div
2V/div
200mV/div
(AC-COUPLED)
500mA/div
500mA/div
OUT2
= 1.8V, V
OUT3
V
I
OUT3
OUT3
V
V
OUT1
V
OUT1
V
LX1
LX1
I
I
= 2.8V, V
L1
L1
0mA
500µA LOAD
500mA LOAD
OUT1 HEAVY-LOAD SWITCHING
OUT1 LIGHT-LOAD SWITCHING
OUT3 LOAD TRANSIENT
OUT4
300mA
WAVEFORMS
WAVEFORMS
10µs/div
= 2.8V, T
400ns/div
10µs/div
A
= +25°C, unless otherwise noted.)
0mA
MAX8667/88 toc18
MAX8667/88 toc20
MAX8667/88 toc22
50mV/div
(AC-COUPLED)
200mA/div
20mV/div
100mA/div
20mV/div
500mA/div
2V/div
2V/div