 English |
|
|
|
|
|
|
|
| CM4072 Datasheet, PDF (4/11 Pages) California Micro Devices Corp – Low Noise Charge Pump/Linear Regulator LED Driver | |||
| |||
| ◁ |
Specifications (contâd)
PRELIMINARY
CM4072
ELECTRICAL OPERATING CHARACTERISTICS (SEE NOTE 1)
SYMBOL
VCP
VOUT
VR LOAD
VR LINE
RDISCHG
IGND
IDGND
PSRR
PARAMETER
Charge Pump Output Voltage
Regulator Output Voltage
Load Regulation
Line Regulation
VOUT Discharge Resistance
LDO Regulator Ground Current via
the GND pin
Charge Pump Shutdown Current
via DGND pin
Power Supply Ripple Rejection
CONDITIONS
VOUT = 5V, 1mA < IOUT < 100mA
VIN = 4.0V, 1mA < IOUT < 100mA
IOUT = 1mA to 100mA
Vary VIN from 3.0V to 5.0V
LDO regulator disabled, EN_LDO
grounded, VIN = 5V
Shutdown (EN_LDO grounded)
Regulator Enabled, IOUT = 0mA
Regulator Enabled, IOUT = 100mA
EN_CP grounded, VIN = 5V
IOUT = 100mA, CBYP =0.1μF, Note 2
f = 100Hz
f = 10kHz
MIN TYP MAX UNITS
5.5 5.8
7
V
4.85
5.15
V
0.2
%
0.02
%
500
Ω
1
10
μA
180
μA
180
μA
1
10
μA
42
dB
42
dB
eNO
Output Voltage Noise
VIH
VIL
ILIM
ISC
TJSD
THYS
EN_CP, EN_LDO Input High
Threshold
EN_CP, EN_LDO Input Low
Threshold
Overload Current Limit
Output Short Circuit Current
Thermal Shutdown Junction
Temperature
Thermal Shutdown Hysteresis
BW=22Hz-22kHz, COUT = 10μF,
35
CBYP = 0.1μF, IOUT = 100mA, Note 2
BW=22Hz-22kHz, CP = 1μF, CS =3μF,
38
COUT = CBYP = 0.1μF, IOUT = 100mA,
Note 2
VIN = 5.0V
2.0
μVrms
μVrms
V
VIN = 5.0V
0.5
V
LDO Only, Note 2
LDO Only, Note 2
200 300
mA
50
mA
170
°C
25
°C
Note 1: Unless otherwise noted, electrical operating characteristics are specified with TA = 0 to 70°C, VIN = 5.0V, IOUT =100mA,
COUT=10μF, CP = 1μF, CS = 10μF.
Note 2: These parameters are guaranteed by design and characterization.
© 2005 California Micro Devices Corp. All rights reserved.
4
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 â Tel: 408.263.3214 â Fax: 408.263.7846 â www.cmd.com 11/08/05
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese