MAX8667ETEAB+T Maxim Integrated Products, MAX8667ETEAB+T Datasheet - Page 4

• Manufacturer Part Number: MAX8667ETEAB+T
• Description: IC DC-DC CONV W/DUAL LDO 16TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

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
4
IN12
1.90
1.80
1.70
1.60
1.50
1.40
1.30
1.20
3500
3000
2500
2000
1500
1000
500
90
80
70
60
50
40
30
20
10
_______________________________________________________________________________________
0
0
0.1
= V
0
0
OUT1 EFFICIENCY vs. LOAD CURRENT
IN34
200
300
OUT2 LOAD REGULATION
SWITCHING FREQUENCY
= 3.6V, circuit of Figure 4, V
OUT1
1
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD CURRENT (mA)
400
LOAD CURRENT (mA)
(V
600
OUT1
600
10
900
= 1.2V)
ONLY OUT1 ENABLED
OUT2
800
1200
100
1000
1500
1200
1000
1800
OUT1
= 1.2V, V
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
120
100
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
1.5
2.5
0.1
NO-LOAD SUPPLY CURRENT vs. SUPPLY
OUT2 EFFICIENCY vs. LOAD CURRENT
VOLTAGE ALL REGULATOR ENABLED
vs. INPUT VOLTAGE (600mA LOAD)
2.0
OUT2
3.0
1
OUT1 OUTPUT VOLTAGE
2.5
= 1.8V, V
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
3.5
SUPPLY VOLTAGE
FALLING
(V
3.0
SUPPLY VOLTAGE
RISING
OUT2
10
3.5
4.0
= 1.8V)
OUT3
ONLY OUT2 ENABLED
100
Typical Operating Characteristics
4.0
4.5
= 2.8V, V
4.5
1000
5.0
5.0
10000
OUT4
5.5
5.5
= 2.8V, T
120
100
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
80
60
40
20
0
vs. SUPPLY VOLTAGE OUT1 AND OUT2 ONLY
1.5
2.5
0
A
vs. INPUT VOLTAGE (1200mA LOAD)
SUPPLY VOLTAGE
FALLING
= +25°C, unless otherwise noted.)
2.0
NO-LOAD SUPPLY CURRENT
100
3.0
OUT1 LOAD REGULATION
OUT2 OUTPUT VOLTAGE
2.5
SUPPLY VOLTAGE (V)
LOAD CURRENT (mA)
200
INPUT VOLTAGE (V)
3.5
3.0
SUPPLY VOLTAGE
RISING
3.5
300
4.0
4.0
400
4.5
4.5
500
5.0
5.0
5.5
600
5.5