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參數(shù)資料
| 型號： | G5118P8U |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | High Efficiency, Constant Current Output for 8 Series LEDs Driver |
| 中文描述： | 高效率，恒定的8系列LED的驅(qū)動電流輸出 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大?。?/td> | 429K |
| 代理商： | G5118P8U |
Ver: 1.1
Sep 13, 2004
TEL: 886-3-5788833
http://www.gmt.com.tw
2
G5114/G5116/G5118
Global Mixed-mode Technology Inc.
Absolute Maximum Ratings
SW, OVP to GND……….……..…….…..….-0.3V to +35V
VCC, SHDN to GND.….......................…...-0.3V to +7V
FB to GND.....................….......................…-0.3V to VCC
Operating Temperature.….……………...…-40°C to 85°C
Junction Temperature.......................…...................125°C
Storage Temperature………....……....…..–65°C to 150°C
Reflow Temperature (soldering, 10sec)……….....260°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(VCC=V SHDN =3.6V, TA=25°C, unless specified)
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Input Voltage Range
1.7
---
6.5
V
G5114/G5118, Trigger
28
29
30
V
OV Protection Threshold
G5114/G5118, Release
---
25
V
OV Pin Input Current
G5114/G5118, Vovp = 28V
---
10
15
A
VFB = 0.3V
---
50
100
A
Quiescent Current
V SHDN = 0V
---
2.4
3
A
FB Comparator Trip Point
242
250
258
mV
Switch Off Time
VFB = 0V
---
400
---
ns
Switch RDS(ON)
ISW = 150mA
---
0.8
1.2
Switch Leakage Current
Switch Off, VSW = 30V
---
0.1
5
A
Switch Current Limit
320
400
480
mA
SHDN Pin Voltage High
0.9
---
V
SHDN Pin Voltage Low
---
0.25
V
Note.1:The G5114/G5116/G5118 are guaranteed to meet performance specifications from 0°C~85°C. Specifications
over the -40°C~85°C operating temperature range are assured by design, characterization and correlation
with statistical process controls.
Block Diagram
+
VREF
BIAS
SHUTDOWN
LOGIC
C2
SW
L1
SHDN
VCC
C1
R2
FB
ERROR
COMP
0.25V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
CTRL
*
OVP
**
D1
LED
Series
V
OUT
* SHDN pin only availiable for G5116/G5118
** OVP pin only availiable for G5114/G5118
+
VREF
BIAS
SHUTDOWN
LOGIC
C2
SW
L1
SHDN
VCC
C1
R2
FB
ERROR
COMP
0.25V
en_sw
GND
PUMP CONTROL
OC
COMP
DRIVER
TOFF PULSE
CONTROL
VOUT
VIN
CTRL
*
OVP
**
D1
LED
Series
V
OUT
* SHDN pin only availiable for G5116/G5118
** OVP pin only availiable for G5114/G5118
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