YB1696 Datasheet, PDF (4/11 Pages) YOBON TECHNOLOGIES,INC. – 150KHz, 3A PWM Buck Switching Regulator

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
Parameter
Conditions
I_B
Feedback
current
bias
V_FB=1.3V
(Adjustable version
only)
F_OSC oscillator frequency
V_SAT
DC
I_CL
I_L
I_Q
I_STBY
V_IL
V_IH
saturation voltage
I_OUT=3A
no outside circuit
V_FB=0V force driver on
Max. Duty Cycle(ON) V_FB=0V force driver on
Min. Duty cycle(OFF)
V_FB=12V
off
force
driver
peak current
current limit
no outside circuit
V_FB=0 force driver on
Output = 0
Output
leakage
no outside circuit
V_FB=12 force driver off
Output = 1 current V_IN=32V
Quiescent Current V_FB=12 force driver off
Standby Quiescent ON/OFF pin=5V
Current
V_IN=24V
ON/OFF pin logic input
threshold voltage
Low (regulator ON)
High (regulator OFF)
Min.
127
110
3.6
-
2.0
Typ.
40
150
1.3
100
0
4.5
2
5
150
1.3
I_H
I_L
Θ_JC
Θ_JA
ON/OFF pin logic
input current
V_LOGIC=2.5V (OFF)
ON/OFF pin input current V_LOGIC=0.5V (ON)
Thermal Resistance
Junction to case
Thermal Resistance
With copper area of
approximately 3 in²
Junction to ambient
15
0.02
3.5
23
Max. Unit
60
100 ^nA
173
173
Khz
1.4
1.5
V
%
5.5
6.5
A
200 uA
60 mA
10 mA
250 _uA
300
0.6
V
-
25
uA
5
o_C/W
o_C/W
YB1696 MRev.1.1
www.yobon.com.tw
4