DC2851A User Guide
LT7200S
Quad 18V, ±5A
Synchronous Monolithic
Step-Down Regulator
www.analog.com
Analog Devices | 2
Performance Summary
Specifications are at T
A
= 25°C
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN1
, V
IN2
,
V
IN3
, V
IN4
Input Voltage Range
2.9
12
18
V
V
OUT1
Default Output Voltage
V
IN
= 12V, I
OUT
= 0A to 5A per Channel
1.15
1.2
1.25
V
V
OUT2
Default Output Voltage
V
IN
= 12V, I
OUT
= 0A to 5A per Channel
1.73
1.8
1.87
V
V
OUT3
Default Output Voltage
V
IN
= 12V, I
OUT
= 0A to 5A per Channel
3.17
3.3
3.43
V
V
OUT4
Default Output Voltage
V
IN
= 12V, I
OUT
= 0A to 5A per Channel
4.8
5
5.2
V
I
OUT1
, I
OUT2
,
I
OUT2
,
I
OUT4
Maximum Continuous
Output Current per Channel
V
IN
= 12V
5
A
f
sw
Switching Frequency
0.9
1
1.1
MHz
E
ff
Efficiency
V
IN
= 12V, f
SW
= 1MHz, V
OUT1
= 1.2V,
V
OUT2
= 1.8V, V
OUT3
= 3.3V, V
OUT4
= 5V,
I
OUT1
= I
OUT2
= I
OUT3
= I
OUT4
= 5A
90
%