ace2596 ACE Technology Co., LTD., ace2596 Datasheet - Page 4

• Manufacturer Part Number: ace2596
• Description: 150khz 3a Buck Dc-dc Converter
• Manufacturer: ACE Technology Co., LTD.

For ADJ Output Voltage Version
Unless otherwise specified, T
Range.
Electrical Characteristics
For AallOutput Voltage Versions
Unless otherwise specified, V
Specifications with boldface type apply over Full Operating Junction Temperature Range.
Note :
1. The switching frequency is reduced when the second stage current limit is activated.
2. The specifications with boldface are GBD (Guaranteed By Design).
Standby Quiescent Current
ON/OFF Pin Input Current
Parameter
Output Leakage Current
Input Threshold Voltage
Efficiency
Feedback Bias Current
Maximum Duty Cycle
Oscillator Frequency
Minimum Duty Cycle
Output
ON/OFF Pin Logic
Saturation Voltage
Quiescent Current
Current Limit
Parameter
Symbol
VOUT
η
J
IN
=25 ,
=12V for 3.3V, 5V and adjustable version, V
Technology
Symbol
℃ The specifications with boldface type apply over Full Operating Junction Temperature
D
I
V
D
I
STBY
V
I
I
SWL
V
I
MAX
I
I
FB
SAT
MIN
CL
f
Q
H
L
IH
IL
V
IN
V
=12V, I
OUT
Peak Current, No output devices, V
4.5V≦V
0.2A≦I
programmed for 2.5V
I
LOAD
Conditions
Adjustable Version Only, V
LOAD
Output=-1V, No output devices,
Output=0V, No output devices,
=3A (No output devices, V
V
V
ON/OFF Pin=5V, V
PIN5
=3A, V
LOAD
PIN5
IN
V
V
≦32V,
=2.5V (Regulator OFF)
=2.5V (Regulator ON)
FB
FB
≦3A
Regulator OFF
Regulator ON
Conditions
=1.3V, V
=1.3V, V
V
V
OUT
(Note 3)
V
FB
FB
FB
=1.3V
=1.3V
=2.5V
=0V
150KHz 3A Buck DC-DC Converter
IN
IN
=32V
=32V
IN
IN
=18V
=24V for 12V version, I
FB
=1.3V
FB
1.193
1.180
Min
=0V)
FB
=0V
1.23
Typ
73
Min
127
110
3.6
3.4
2.0
0.02
Typ
150
100
1.2
4.5
10
50
80
LOAD
1.267
1.280
0
2
5
5
Max
ACE2596
=500mA, T
Max
100
173
173
200
250
1.5
1.6
6.9
7.5
0.6
50
30
10
15
VER 1.2
5
Unit
%
V
Unit
kHz
mA
mA
nA
μA
μA
μA
μA
J
%
%
V
A
V
V
=25℃.
4