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参数资料
| 型号： | FAN5624UMPX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/13页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR 4CH INTERFACE 10-UMLP |
| 标准包装： | 5,000 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFQFN |
| 供应商设备封装： | 10-UMLP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
Electrical Specifications
V IN = 2.7 V to 5.5 V, R SET = 19.10 k ? , T A = -40°C to +85°C, V f = 2.5 V to [3.5 V or V IN – 0.1 V], whichever is smaller. Typical
values are at T A = 25°C, V IN = 3.6 V, and V f = 3.2 V.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Unit
Power Supplies
I SD
I IN
I IH
Shutdown Supply Current
Operating Supply Current
Control Pin Input Current
V IN = 3.6 V, CTRL = 0
FAN5622: V IN = 3.6 V, I LED = 0 mA
FAN5624: V IN = 3.6 V, I LED = 0 mA
FAN5626: V IN = 3.6 V, I LED = 0 mA
CTRL = 1.8 V
0.3
0.4
0.6
0.8
1
1.0
0.8
1.0
1.2
250
μA
mA
mA
mA
nA
V UVLO
Under-Voltage Lockout
Threshold
V IN Rising
V IN Falling
2.10
2.50
2.30
2.70
2.50
V
V
Regulation
I FS_LEDx (MAX)
I LED
Full-Scale LED Output Current
Absolute Current Accuracy
I LEDx = 30 mA; x = 1 to 6
V IN =2.85 V – 4.5 V; V CATH =0.15 to
(1.2 V or V IN =2.55 V, Whichever is
Smaller); Full-Scale Current 5-
5
-10
30
+10
mA
%
30 mA, T A = 25°C
I LED MATCH
V ISET
I RATIO
? I OUT_LOAD
? I OUT_LINE
V DROPOUT
TSD
LED Current Matching (4)
I SET Drive Voltage
Current Mirror Ratio from ISET
Pin
I OUT Load Regulation
I OUT Line Regulation
Dropout Voltage
Thermal Shutdown
I LEDx = 15 mA; V_LEDx=0.4 V ,
T A = 25°C
9.53 k ? ≤ R SET ≤ 56.2 k ?
9.53 k ? ≤ R SET ≤ 56.2 k ?
V IN = 3.6 V, I LEDx = 15 mA,
LED V F = 2.7 to 3.5 V,
V IN = 2.7 to 4.8 V, I LEDx = 15 mA,
V CATH = 0.5 V
V IN =3.6 V; I LED = 15 mA, -10%
I LED Drop
V IN =3.6 V; I LED = 30 mA, -10%
I LED Drop
Rising Temperature at Junction
Hysteresis
-3
-3
-4
1.20
240
50
60
150
20
+3
+3
+4
%
V
%
%
mV
°C
Logic Input (CTRL)
V IH
V IL
HIGH-Level Input Voltage
LOW-Level Input Voltage
1.2
0.4
V
V
T LO
T HI
T ON
T SD
CTRL LOW Time for Dimming
Time Delay between Steps
CTRL HIGH to Turn-On Delay
CTRL LOW, Shutdown Pulse
Width
V IN = 3.6 V; See Figure 17
V IN = 3.6 V; See Figure 17
V IN = 3.6 V; See Figure 17
V IN = 3.6 V; from Falling Edge of
CTRL
0.5
0.5
1
250
300
μs
μs
μs
ms
Note:
4. For the two, four, and six LED current sinks of FAN5622, FAN5624, and FAN5626 respectively; the following are
determined: the maximum sink current of the two, four, and six LED outputs (MAX); the minimum sink current of the two,
four, and six outputs (MIN); and the average sink current (AVG). For all of the LED outputs, two matching numbers are
calculated: (MAX-AVG)/ AVG and (AVG-MIN)/AVG. The largest number of the two (worst case) is considered the
matching figure for the part. The matching figure for a given part is considered to be the highest matching figure of all LED
outputs. The typical specification provided is the most likely norm of the matching figure for all parts.
? 2010 Fairchild Semiconductor Corporation
FAN5622 / FAN5624 / FAN5626 ? Rev. 1.0.3
5
www.fairchildsemi.com
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