MAX5951ETJ+ Maxim Integrated Products, MAX5951ETJ+ Datasheet - Page 9

• Manufacturer Part Number: MAX5951ETJ+
• Description: IC BUCK PWM CTRLR 12V/5V 32-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX5951ETJ+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 5.5 V
• Current - Output: 10A
• Frequency - Switching: 100kHz ~ 1MHz
• Voltage - Input: 8 ~ 16 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Power - Output: 2.76W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Typical Operating Circuits. V
C
REG
= 2.2µF, T
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
A
0
0
= +25°C.)
EFFICIENCY vs. LOAD CURRENT
EFFICIENCY vs. LOAD CURRENT
V
V
_______________________________________________________________________________________
IN
PWM_IN
0.2
= 5V
0.5
V
PWM_IN
V
= 5V
IN
= 12V
IN
0.4
1.0
= 8V
V
I
IN
I
LOAD
LOAD
= 12V or V
= 8V
V
PWM_IN
(A)
(A)
0.6
1.5
12V/5V Input Buck PWM Controller
V
= 12V
V
PWM_IN
IN
V
V
IN
OUT
= 16V
0.8
OUT
2.0
= V
= 3.3V
= 1.2V
= 16V
REG
1.0
Typical Operating Characteristics (continued)
2.5
1.25A
= 5V, V
0A
DREG
LOAD-TRANSIENT RESPONSE
= V
REG
400µs/div
, V
PGND
= 0V, V
100
90
80
70
60
50
40
30
20
10
MAX5951 toc24
0
0
V
PWM_IN
SYNCIN
EFFICIENCY vs. LOAD CURRENT
LOAD-TRANSIENT RESPONSE
V
V
20mV/div
AC-COUPLED
I
1A/div
OUT1
PWM_IN
OUT1
0.2
= 5V
= 0V, R
= 8V
V
0.4
PWM_IN
I
400µs/div
LOAD
RT
(A)
= 12V
0.6
= 49.9kΩ, R
V
PWM_IN
V
OUT
0.8
MAX5951 toc23
= 2.5V
= 16V
1.0
ILIM
V
50mV/div
AC-COUPLED
I
1A/div
OUT1
OUT1
= 48.7kΩ,
9