YB1696
150KHz, 3A PWM Buck Switching Regulator
Electrical Characteristics
Unless otherwise specified, V
IN
=12V for 3.3V, 5V, adjustable version. I
LOAD
=0.3A
Symbol
I
B
F
OSC
V
SAT
DC
I
CL
I
L
I
Q
I
STBY
V
IL
V
IH
I
H
I
L
Θ
JC
Θ
JA
Parameter
Feedback
current
Conditions
V =1.3V
bias
FB
(Adjustable version
only)
Min.
Typ.
40
Max.
60
100
173
173
1.4
1.5
Unit
nA
Khz
V
%
oscillator frequency
I
OUT
=3A
saturation voltage
no outside circuit
V
FB
=0V force driver on
Max. Duty Cycle(ON) V
FB
=0V force driver on
V =12V force driver
Min. Duty cycle(OFF)
FB
off
peak current
current limit
no outside circuit
V
FB
=0 force driver on
no outside circuit
Output
Output = 0
leakage V
FB
=12 force driver off
Output = 1 current V
IN
=32V
Quiescent Current
V
FB
=12 force driver off
Standby Quiescent
Current
ON/OFF pin logic input
threshold voltage
127
110
150
1.3
100
0
3.6
4.5
5.5
6.5
200
A
uA
mA
mA
uA
V
2
5
150
-
2.0
1.3
15
0.02
3.5
23
ON/OFF pin=5V
V
IN
=24V
Low (regulator ON)
High (regulator OFF)
V
LOGIC
=2.5V (OFF)
60
10
250
300
0.6
-
25
5
o
ON/OFF pin logic
input current
Thermal Resistance
Thermal Resistance
With copper area of
approximately 3 in
2
uA
C/W
C/W
ON/OFF pin input current
V
LOGIC
=0.5V (ON)
Junction to case
Junction to ambient
o
YB1696 MRev.1.1
www.yobon.com.tw
4
YOBON [ YOBON TECHNOLOGIES,INC. ]
