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LTC3215 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC3215
Description  700mA Low Noise High Current LED Charge Pump
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3215 Datasheet(HTML) 2 Page - Linear Technology

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LTC3215
2
3215f
VIN to GND ............................................... –0.3V to 5.5V
CPO to GND ............................................. –0.3V to 5.5V
EN ................................................... –0.3V to VIN + 0.3V
ICPO, IILED (Note 2) ........................................... 1000mA
CPO Short-Circuit Duration ............................ Indefinite
Storage Temperature Range ................. –65°C to 125°C
Operating Temperature Range (Note 3) .. –40°C to 85°C
ORDER PART
NUMBER
TJMAX = 125°C, θJA = 43°C/W
EXPOSED PIN (PIN 11) IS GND
MUST BE SOLDERED TO PCB
LTC3215EDD
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
(Note 1)
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V, CIN = C1 = C2 = 2.2µF, CCPO = 4.7µF.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
DD PART
MARKING
LBPX
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
C1–
GND
C2–
VIN
EN
C2+
C1+
CPO
ILED
ISET
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Power Supply
VIN Operating Voltage
●
2.9
4.4
V
IVIN Operating Current
ICPO = 0mA, 1x Mode
300
µA
ICPO = 0mA, 1.5x
7
mA
ICPO = 0mA, 2x Mode
9.2
mA
IVIN Shutdown Current
EN = LOW
2.5
7
µA
LED Current
LED Current Ratio (ILED/ISET)ILED = 200mA to 600mA
●
3139
3270
3400
mA/mA
ILED Dropout Voltage
Mode Switch Threshold, ILED = 200mA
120
mV
Mode Switching Delay (LED Warmup Time)
2.5
ms
LED Current On Time
EN to LED Current On
130
µs
Charge Pump (CPO)
1x Mode Output Voltage
ICPO = 0mA
VIN
V
1.5x Mode Output Voltage
ICPO = 0mA
4.6
V
2x Mode Output Voltage
ICPO = 0mA
5.1
V
1x Mode Output Impedance
0.25
Ω
1.5x Mode Output Impedance
VIN = 3.4V, VCPO < 4.6V, C1 = C2 = 2.2µF
1.5
Ω
2x Mode Output Impedance
VIN = 3.2V, VCPO < 5.1V, C1 = C2 = 2.2µF
1.7
Ω
CLK Frequency
●
0.6
0.9
1.2
MHz
EN
High Level Input Voltage (VIH)
●
1.4
V
Low Level Input Voltage (VIL)
●
0.4
V
Input Current (IIH)
●
–1
1
µA
Input Current (IIL)
●
–1
1
µA



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