GM9130HV Datasheet, PDF (5/9 Pages) Gamma Microelectronics Inc. – 3A LED Driver with Dimming Control

GM9130HV
3A LED Driver with Dimming Control
Electrical Characteristics Specifications with standard type face are for T_J=25°C, and those with
Bold type apply over Full Operating Temperature Range
Parameter
Condition
Symbol Min
Typ
Max Unit
Feedback
Voltage
Efficiency
V_IN = 12V, I_LOAD = 350mA,
ON/OFF = 0V
5.5V< V_IN < 12V, I_LOAD = 350mA,
ON/OFF = 0V (Note 2)
VIN =12V, I_LOAD=3.0A
FB input current V_FB = 250mV, ON/OFF = 0V
Oscillator
Frequency
Saturation
Voltage
I_SW = 3A
Current Limit
Maximum Duty
Cycle
SW Leakage
Current
V_IN = 60V, V_SW = 0V, V_FB = 1.5V
V_IN = 60V, V_SW = -0.8V, V_FB = 1.5V
Threshold
Voltage ON/OFF
Input Current
ON/OFF
Quiescent
Current
V_ON/OFF = 2.5V
V_ON/OFF = 0V
VFB = 1.5V
Standby Current ^{VON/OFF = 5V, VIN = 60V}
Dimming
Voltage
I_LED = 0, V_IN = 12V, see Fig 1
Note 2 LED must be ensured with load current (ILOAD) at V_{IN MIN}
190
V_FB
184
180
η
I_FB
47
F_OSC
42
V_SAT
CL
DC_MAX
I_LO
V_{TH ON/FF}
I_IH
I_IL
I_Q
I_STBY
V_ON/OFF
3.7
100
-0.3
-30
1.0
0.8
-5
-2
600
200
65
50
52
1.35
5.0
--0.07
-8
1.4
0.01
-0.3
5.3
50
670
210
mV
216
220
%
150
nA
500
58
kHz
63
1.5
V
1.7
6.7
A
%
mA
2.0
V
2.2
5
μA
10
mA
200
μA
750
V
V_FB (mV)
240
200
160
120
80
40
0
V_ON/OF (mV)
0
100 200 300 400 500 600
Figure 2 Dimming Voltage vs V_FB
5