CM9142 Datasheet, PDF (3/14 Pages) California Micro Devices Corp – Two Group, 4 and 2, WLED Driver, Different Current Settings

PRELIMINARY
CM9142
Specifications (cont’d)
ELECTRICAL OPERATING CHARACTERISTICS
V_IN = 3.6V; All outputs are on. Typical values are at T_A = 25°C.
SYMBOL PARAMETER
CONDITIONS
MIN
V_IN
Supply Voltage Range
2.9
V_UVLO
Undervoltage Lockout
All outputs are no load.
1.7
I_Q
Quiescent Current
1x mode
I_SD
Shutdown Supply Current
V_EN < 0.4V
VOUT Charge Pump
V_OUT
Output Voltage
I_OUT = 0mA to 120mA,
4.2
V_IN = 3.0 to 5.5V
I_{LED TOT}
Total I_LED Current
Σ I_LED1 thru I_LED4+photoflash
ILED
Accuracy of ISET
V_IN = 3.0V to 5.5V
Matching current between LED1 V_IN = 4.0V, I_{LED 1} to I_LED6= 20mA
to LED6
I_LED per driver
Device total I_LED < 300mA
EN, ISET
V_IH
High Level Input Voltage
1.8
V_IL
Low Level Input Voltage
Protection
Over-current Limit
Over-temperature Limit
Over-temperature Hysteresis
TYP
1.8
500
2
1
2
400
135
15
MAX
6.0
1.9
10
UNIT
S
V
V
μA
μA
5.5
V
300 mA
%
5
%
50 mA
0.4
mA
°C
°C
© 2006 California Micro Devices Corp. All rights reserved.
04/26/06 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 l Tel: [phone] l Fax: [phone] l www.cmd.com
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