MAX1972EEE+ Maxim Integrated Products, MAX1972EEE+ Datasheet - Page 9

• Manufacturer Part Number: MAX1972EEE+
• Description: IC REG STP DWN 750MA 16-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1972EEE+

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1.5V, 1.8V, 2.5V, 3.3V, Adj
• Current - Output: 750mA
• Frequency - Switching: 1.4MHz
• Voltage - Input: 2.6 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Power - Output: 667mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(T
A
= +25°C, unless otherwise noted.)
Dual, 180° Out-of-Phase, 1.4MHz, 750mA Step-
PF0
V
IN
V
V
I
V
_______________________________________________________________________________________
OUT1
IN
OUT1
OUT1
PFO AND FALLING INPUT VOLTAGE
= 5V
= 500mA, I
Down Regulator with POR and RSI/PFO
= 1.8V, V
= 1.8V, V
RSI AND POR TIMING
OUT2
OUT2
OUT2
40ms/div
= 2.5V
= 2.5V
4ms/div
= 500mA
V
RSI
MAX1970TOC13
V
Typical Operating Characteristics (continued)
POR
4V
2V/div
4V
0
2V/div
0
PF0
V
IN
MAX1970
V
V
I
V
OUT1
IN
OUT1
OUT1
= 5V
PFO AND RISING INPUT VOLTAGE
= 375mA, I
= 3.3V, V
= 1.8V, V
ENABLE RESPONSE
OUT2
OUT2
OUT2
= 2.5V
= 2.5V
5ms/div
4ms/div
V
V
= 375mA
POR
OUT2
OUT1
EN
5V/div
4V
0
4V
0
2V/div
9