MAX8667ETEAB+T Maxim Integrated Products, MAX8667ETEAB+T Datasheet - Page 6
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MAX8667ETEAB+T
Manufacturer Part Number
MAX8667ETEAB+T
Description
IC DC-DC CONV W/DUAL LDO 16TQFN
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet
1.MAX8668ETEWT.pdf
(18 pages)
Specifications of MAX8667ETEAB+T
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
4
Voltage - Output
1.2V, 1.8V, 2.85V (2)
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