PAM2701 Datasheet, PDF (5/14 Pages) Power Analog Micoelectronics – 4-Channel Regulated Charge Pump White LED Driver

PAM2701
4-Channel Regulated Charge Pump White LED Driver
Electrical Characteristic
T_A= 25°C, V = _IN 3.5V, C = _IN C_O=1μF, unless otherwise noted.
Parameter
Input Voltage Range
Shutdown Current
Quiescent Current
RSET Regulated Voltage
Symbol
V_IN
I_SD
I_Q
V_RSET
Programmed LED Current
I_LED
LED Current Accuracy
LED Channel Matching
I_{LED-A CC}
I_LED-DEV
Output Resistance (Open Loop) R_O
Charge Pump Frequency
V_IN at Mode Transition from 1x
to 1.5x
1x to 1.5x Mode Transition
Dropout Delay
Input Leakage Current
High Detect Threshold
Low Detect Threshold
f_OSC
V _{IN -Tran}
T_DROP
I_EN-CTR
V _{EN -CT RH}
V _{EN-C T RL}
Conditions
V_EN=0V Shutdown Mode
1x Mode, No Load
1.5x Mode, No Load
R_SET=90kΩ
R_SET=29.3kΩ
R_SET=14.7kΩ
(I_LED-I_LEDAVG)/I_LEDAVG
1x Mode, I_O=100mA
1.5x Mode, I_O=100mA
I_LED=15mA
I_LED=20mA
On Inputs EN,CTR0,1&2
On Inputs EN,CTR0,1&2
On Inputs EN,CTR0,1&2
Min
2.7
1.19
1.5
Typ Max
5.5
0.05
1
0.6
1.2
2.5
5
1.23 1.25
5.0
15.0
30.0
±5
±3
1.7
4.3
1.0
3.45
3.60
10
1
0.4
Unit
V
μA
mA
mA
V
mA
mA
mA
%
%
Ω
Ω
MHz
V
V
μs
μA
V
V
Power Analog Microelectronics,Inc
www.poweranalog.com
5
09/2008 Rev 1.3