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LTC3204-3.3 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC3204-3.3
Description  Low Noise Regulated Charge Pump in 2 X 2 DFN
Download  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3204-3.3 Datasheet(HTML) 2 Page - Linear Technology

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LTC3204-3.3/LTC3204-5/
LTC3204B-3.3/LTC3204B-5
2
3204fa
ABSOLUTE AXI U RATI GS
FOR ATIO
PACKAGE/ORDER I
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Voltage Range
(LTC3204-3.3/LTC3204B-3.3)
1.8
4.5
V
(LTC3204-5/LTC3204B-5)
2.7
5.5
V
VOUT
Output Voltage Range
1.8V < VIN < 4.5V, IOUT < 40mA
1.9V < VIN < 4.5V, IOUT < 50mA (LTC3204-3.3/LTC3204B-3.3)
3.168
3.3
3.432
V
2.7V < VIN < 5.5V, IOUT < 65mA
3.1V < VIN < 5.5V, IOUT < 150mA (LTC3204-5/LTC3204B-5)
4.8
5
5.2
V
IIN
No Load Input Current
IOUT = 0 (LTC3204-3.3)
48
µA
IOUT = 0 (LTC3204-5)
60
µA
IOUT = 0 (LTC3204B-3.3)
1.25
mA
IOUT = 0 (LTC3204B-5)
3.6
mA
ISHDN
Shutdown Current
SHDN = 0V, VOUT = 0V
1
µA
IBURST
Burst Mode Threshold
(LTC3204-3.3)
15
mA
(LTC3204-5)
20
mA
VR
Output Ripple
IOUT = 100mA
20
mVP-P
η
Efficiency
VIN = 3V, IOUT = 100mA (LTC3204-5/LTC3204B-5)
82
%
fOSC
Switching Frequency
0.6
1.2
1.8
MHz
VIH
SHDN Input Threshold
1.3
V
VIL
SHDN Input Threshold
0.4
V
IIH
SHDN Input Current
–1
1
µA
IIL
SHDN Input Current
SHDN = 0V
–1
1
µA
ROL
Effective Open-Loop Output
VIN = 1.8V, VOUT = 3V (LTC3204-3.3/LTC3204B-3.3)
7
Ω
Resistance (Note 3)
VIN = 2.7V, VOUT = 4.5V (LTC3204-5/LTC3204B-5)
6
Ω
ILIM
Output Current Limit
VOUT = OV
300
mA
TSS
Soft-Start Time
From the Rising Edge of SHDN to 90% of VOUT
0.75
ms
VIN to GND...................................................–0.3V to 6V
VOUT to GND .............................................–0.3V to 5.5V
SHDN to GND...............................................–0.3V to 6V
VOUT Short-Circuit Duration............................. Indefinite
Operating Temperature Range (Note 2) ...–40°C to 85°C
Storage Temperature Range.................. –65°C to 125°C
Maximum Junction Temperature .......................... 125°C
(Note 1)
The denotes the specifications which apply over the full operating
temperature range. Specifications are at TA = 25°C, VIN = 2.4V (LTC3204-3.3/LTC3204B-3.3) or 3.6V (LTC3204-5/LTC3204B-5),
SHDN = VIN, CFLY = 2.2µF, CIN = 2.2µF, COUT = 2.2µF unless otherwise noted.
Note 1: Absolute Maximum Ratings are those beyond which the life of a
device may be impaired.
Note 2: The LTC3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5 are
guaranteed to meet performance specifications from 0°C to 70°C.
Specifications over the –40°C to 85°C operating temperature range are
assured by design, characterization and correlation with statistical process
controls.
Note 3: ROL ≡ (2VIN – VOUT)/IOUT
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
DC PART
MARKING
LBJV
LBNK
LBVF
LBVG
LTC3204EDC-3.3
LTC3204EDC-5
LTC3204BEDC-3.3
LTC3204BEDC-5
TJMAX = 125°C, θJA = 80°C/W
EXPOSED PAD IS GND (PIN 7)
MUST BE SOLDERED TO PCB
TOP VIEW
DC PACKAGE
6-LEAD (2mm
× 2mm) PLASTIC DFN
4
5
6
7
3
2
1
GND
VIN
VOUT
SHDN
C
C+


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