YB1693 Datasheet, PDF (3/8 Pages) YOBON TECHNOLOGIES,INC. – 2A / 150KHz Buck DC-DC Converter

YB1693
2A / 150KHz Buck DC-DC Converter
Absolute Maximum Ratings
Supply Voltage............................................. +28V
Operating Voltage Range ..............+4.5V to +24V
SW, EN Pin Input Voltage ................. -0.3V to Vcc
Feedback Pin Voltage....................... -0.3V to Vcc
Power Dissipation ..................... Internally Limited
Output Voltage to Ground ............................... -1V
Storage Temperature Range ...... -65℃ to +150℃
Operating Temperature Range ... -40℃ to +125℃
Thermal Resistance
Junction to Case θ_JA ..............................70℃ / W
Junction to Ambient θ_JC .........................15℃ / W
Note: Ó¨_JA is measured with the PCB copper area
(need connect to GROUND pins) of approximately
1.5 in² (Multi-layer)
Electricity Characteristics
Table 3 ( T_A=25°C, unless otherwise noted, V_IN=12V for 3.3V, 5V, Adj version. I_LOAD=0.2A )
Function Parameter
Output Feedback
ADJ
Efficiency
Output Feedback
Efficiency
3.3V
Output Feedback
5V
Efficiency
Feedback Bias Current
Oscillator Frequency
Soft-Start Time
Current Limit
Oscillator Frequency of Short Circuit
Protect
Saturation Voltage
ON/OFF Pin Logic Input Threshold
Voltage
ON/OFF Pin Logic Input Current
Maximum Duty Cycle (ON)
Maximum Duty Cycle (OFF)
Quiescent Current
Standby Quiescent Current
SW Pin Leakage
Current
SW pin = 0
SW pin = -1
Symbol
V_FB
η
V_FB
η
V_FB
η
I_FB
F_OSC
T_SS
I_CL
F_SCP
V_SAT
V_IL
V_IH
I_L
I_H
Test Conditions
4.5V≤ V_IN ≤24V
0.2A≤ I_LOAD ≤2A
V_IN =12V, I_LOAD =2A
4.75V≤ V_IN ≤24V
0.2A≤ I_LOAD ≤2A
V_IN =12V, I_LOAD =2A
7V≤ V_IN ≤24V
0.2A≤ I_LOAD ≤2A
V_IN =12V, I_LOAD =2A
V_FB =1.3V (Adj version only)
Rising edge of EN on to I_CL
Pear Current, no outside circuit
V_FB =0V force driver on
When current limit occurred and
V_FB <0.5V, Ta = 25 ^oC
I_OUT=2A, No outside circuit
V_FB =0V force driver on
Low (regulator ON)
High (regulator OFF)
V_LOGIC =2.5V (OFF)
V_LOGIC =0.5V (ON)
V_FB =0V force driver on
DC
V_FB =12V force driver off
I_Q
V_FB =12V force driver off
I_STBY
I_SWL
ON/OFF pin=5V
V_IN =24V
No outside circuit,
V_FB =12V force driver off
V_IN =24V
Min
1.193
1.180
76
3.168
3.135
80
4.80
4.75
84
127
2.4
2.0
Typ Max Units
1.267
1.23
V
1.280
%
3.432
3.3
V
3.465
%
5.20
5
V
5.25
%
-10 -100 nA
150 173 KHz
3
mS
A
60
KHz
1.15 1.50 V
0.6
1.3
V
-0.1 -0.5
-0.01 ^µA
100
%
0
4
8 mA
100
45
µA
100
-200 µA
-5
mA
YB1693 MRev.1.0
www.yobon.com.tw
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