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參數(shù)資料
| 型號： | YB1693 |
| 廠商： | YOBON TECHNOLOGIES, INC. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 2A / 150KHz Buck DC-DC Converter |
| 中文描述： | 甲/ 150kHz的降壓DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 306K |
| 代理商： | YB1693 |
YB1693
2A / 150KHz Buck DC-DC Converter
YB1693 MRev.1.0
www.yobon.com.tw
3
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℃
Electricity Characteristics
Thermal Resistance
Junction to Case θ
JA .............................. 70℃ / W
Junction to Ambient θ
JC ......................... 15℃ / W
Note:
JA is measured with the PCB copper area
(need connect to GROUND pins) of approximately
1.5 in
2 (Multi-layer)
Function Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Feedback
VFB
4.5V≤ VIN ≤24V
0.2A≤ ILOAD ≤2A
1.193
1.180
1.23
1.267
1.280
V
Efficiency
ADJ
η
VIN =12V, ILOAD =2A
76
%
Output Feedback
VFB
4.75V≤ VIN ≤24V
0.2A≤ ILOAD ≤2A
3.168
3.135
3.3
3.432
3.465
V
Efficiency
3.3V
η
VIN =12V, ILOAD =2A
80
%
Output Feedback
VFB
7V≤ VIN ≤24V
0.2A≤ ILOAD ≤2A
4.80
4.75
5
5.20
5.25
V
Efficiency
5V
η
VIN =12V, ILOAD =2A
84
%
Feedback Bias Current
IFB
VFB =1.3V (Adj version only)
-10
-100
nA
Oscillator Frequency
FOSC
127
150
173
KHz
Soft-Start Time
TSS
Rising edge of EN on to ICL
3
mS
Current Limit
ICL
Pear Current, no outside circuit
VFB =0V force driver on
2.4
A
Oscillator Frequency of Short Circuit
Protect
FSCP
When current limit occurred and
VFB <0.5V, Ta = 25
oC
60
KHz
Saturation Voltage
VSAT
IOUT=2A, No outside circuit
VFB =0V force driver on
1.15
1.50
V
VIL
Low (regulator ON)
0.6
ON/OFF Pin Logic Input Threshold
Voltage
VIH
High (regulator OFF)
2.0
1.3
V
IL
VLOGIC =2.5V (OFF)
-0.1
-0.5
ON/OFF Pin Logic Input Current
IH
VLOGIC =0.5V (ON)
-0.01
A
Maximum Duty Cycle (ON)
VFB =0V force driver on
100
Maximum Duty Cycle (OFF)
DC
VFB =12V force driver off
0
%
Quiescent Current
IQ
VFB =12V force driver off
4
8
mA
ON/OFF pin=5V
100
Standby Quiescent Current
ISTBY
VIN =24V
45
100
A
SW pin = 0
No outside circuit,
VFB =12V force driver off
-200
A
SW Pin Leakage
Current
SW pin = -1
ISWL
VIN =24V
-5
mA
Table 3
( TA=25°C, unless otherwise noted, VIN=12V for 3.3V, 5V, Adj version. ILOAD=0.2A )
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