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参数资料
| 型号： | YB1313QF33 |
| 厂商： | YOBON TECHNOLOGIES, INC. |
| 英文描述： | 1x/1.5x/2x Charge Pump for White LED Application |
| 中文描述： | 1x/1.5x/2x充电泵白光LED应用 |
| 文件页数： | 3/9页 |
| 文件大小： | 641K |
| 代理商： | YB1313QF33 |
YB1313
1x/1.5x/2x Charge Pump for White LED Application
YB1313 MRev.1.1
www.yobon.com.tw
3
Absolute Maximum Ratings
Supply Voltage.................................................. 6.5V
Output Voltage.................................................. 5.5V
Output Short-Circuit Duration................Continuous
Junction Temperature Range ........................+125℃
Storage Temperature Range............-65℃ to +150℃
Lead Temperature.........................................+250℃
Electrical Characteristics
Recommended Operating Conditions
Input Supply Voltage ........................ 2.7V to 5.5V
Operating Temperature................. -40℃ to +85℃
Table 3
At TA=25℃, VIN=3.5V, CIN=1μF, C1=C2=0.47μF, COUT=2.2μF, EN1=EN2=VIN, unless otherwise noted.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY VOLTAGE AND CURRENT
VIN
Input voltage range
2.7
5.5
V
1x
800
μA
IQ
Operating quiescent current
1.5x
3
mA
ISD
Shutdown current
VIN = 3.5V, EN1 = EN2 = 0V
1
μA
CHARGE PUMP STAGE
VOUT
Over-voltage limit
LED unconnected, VIN=4.2V
5.5
V
FOSC
Switching frequency
0.6
0.8
1
MHz
ηCP
Charge pump efficiency
VIN = 3.5V, 1.5x mode
93
%
Shutdown temperature
Temperature rising
160
℃
Recovery temperature
Temperature falling
140
℃
CURRENT SINKS
k
ILED to ISET current ratio
EN1=EN2=1, RISET=10K
290
320
350
ΔILED/ILED(min)
Current matching between any
two outputs2
VLED = 3.5V, TA = 25℃
0.4
2.0
%
ΔILED/ΔVIN
Line regulation
2.7V < VIN < 4.3V
2.0
3.0
4.0
%/V
EN1 = 1, EN2 = 0
200
mV
EN1 = 0, EN2 = 1
400
mV
VISET
Reference voltage for current set
EN1 = 1, EN2 = 1
600
620
640
mV
ENABLE 1, ENABLE 2
V (UVLO)
Under-Voltage Lockout
Supply voltage falling
2.3
V
UVLO hysteresis
100
mV
VIH
EN1, EN2 Threshold high
VIN = 5.5V
1.6
V
VIL
EN1, EN2 Threshold low
VIN = 2.7V
0.4
V
FPWM
Frequency range at PWM
EN1, EN2 shorted for PWM control
0
5
kHz
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