CM9156B Datasheet, PDF (3/13 Pages) California Micro Devices Corp – Charge-Pump White LED Driver

Specifications (cont’d)
PRELIMINARY
CM9156B
ELECTRICAL OPERATING CHARACTERISTICS
SYMBOL
V_IN
I_SD
PARAMETER
VIN Supply Voltage
Shut-Down Supply
Current
I_Q
Quiescent Current
Charge-pump Circuit
CONDITIONS
ENA = 0
Fs = 262 kHz
Fs = 650 kHz
Fs = 262 kHz or 650 kHz,
MIN
TYP
3.0
1
800
1600
Iout = 0 mA to 120 mA,
V_{R LOAD}
Load Regulation
Vin = 3.2V to 6.5V
Iout = 0 mA to 90 mA,
4.2
4.5
Vin = 3.0V to 3.2V
Iout = 60 mA,
4.0
4.1
V_{R LIN}
Line Regulation
Vin = 3.2V to 6.5V
4.4
4.5
I_OUT
V_OUTR
fs
CLK
ENA
V_IH
V_IL
Protection
I_LIM
T_JSD
T_HYS
Output Current
Output Ripple Voltage
Switching Frequency
Vin = 3.0V to 3.2V
Vout = 4.5V
Vout = 4.0V
Fs = 262 kHz, Iout = 60 mA
CLK = 0
CLK = 1
High Level Input Voltage
Low Level Input Voltage
High Level Input Voltage
Low Level Input Voltage
Over-Current Limit
Over-Temperature Limit
Over-Temperature Hystere-
sis
4.0
4.1
50
262
650
1.2
1.3
400
135
15
MAX
6.0
UNITS
V
µA
1200 µA
2500 µA
4.7
V
4.2
V
4.6
V
4.3
V
120 mA
180 mA
mV
kHz
kHz
V
0.6
V
V
0.4
V
600 mA
ºC
ºC
© 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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