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FAN5607HMPX 데이터시트 PDF




Fairchild Semiconductor에서 제조한 전자 부품 FAN5607HMPX은 전자 산업 및 응용 분야에서
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부품번호 FAN5607HMPX 기능
기능 LED Driver with Adaptive Charge Pump DC/DC Converter
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FAN5607HMPX 데이터시트, 핀배열, 회로
www.fairchildsemi.com
FAN5607
LED Driver with Adaptive Charge Pump DC/DC
Converter
Features
• Parallel LED Driver Supports all Forward Voltages
• Adaptive VOUT Adjustment to the Highest Diode Voltage
• Internally Matched LED Current Sources
• Built-in Charge Pump has Three Modes of Operation:
– 1X, 1.5X, and 2X Mode
• Up to 93% Efficiency
• Low EMI, Low Ripple
• Up to 120mA Output Current (4 × 30mA )
• External Resistor to Set Maximum (100%) LED Current
• Enable Input Can be Duty-Cycle-Modulated to Control
LED Current Level Between 0 and 100%
• 2.4V to 5.5V Input Voltage Range
• ICC < 1µA in Shutdown Mode
• 1MHz Operating Frequency
• Shutdown Isolates Output from Input
• Soft-Start Limits Inrush Current
• Short Circuit Protection
• Minimal External Components Needed
• Available in a 4x4mm 16-lead MLP Package
Applications
• Cell Phones
• Handheld Computers
• PDA, DSC, MP3 Players
• Keyboard Backlight
• LED Displays
Description
The FAN5607 generates regulated output current from a bat-
tery with input voltage varying between 2.7V to 5.5V.
Switch reconfiguration and fractional switching techniques
are utilized to achieve high efficiency over the entire input
voltage range. A proprietary internal circuitry continuously
monitors each LED current loop and automatically adjusts
the generated output DC voltage to the lowest minimum
value required by the LED having the highest forward volt-
age. This adaptive nature of the FAN5607 eliminates the
need for LED pre-selection (matching) and ensures opera-
tion at high efficiency. When the input voltage is sufficiently
high to sustain the programmed current level in the LEDs,
the FAN5607 re-configures itself to operate as a linear regu-
lator, and the DC-DC converter is turned off. Only two 0.1µF
to 1µF bucket capacitors and two 4.7µF input/output capaci-
tors are needed for proper operation. LED current can be
programmed using an external resistor. The resistor sets the
maximum LED current and a PWM signal applied to the
enable pin can modulate that current level between 0mA
(off) and the maximum level.
Soft-start circuitry prevents excessive current draw during
power on. The device has built-in short circuit protection.
The device is available in 4x4mm 16-lead MLP package.
Typical Application
COUT
VOUT
VIN
CIN
VOUT
VIN
EN
LED-
LED-
LED-
FAN5607
LED-
CAP-
CAP+
RSET
RSET
GND
CAP+
CAP-
CAP2
CAP1
REV. 1.0.0 6/22/04




FAN5607HMPX pdf, 반도체, 판매, 대치품
FAN5607
PRODUCT SPECIFICATION
Absolute Maximum Ratings (Note 2)
Parameter
VIN, VOUT Voltage to GND
Any other Pin Voltage to GND
Power Dissipation
Lead Soldering Temperature (10 seconds)
Operating Junction Temperature Range
Storage Temperature
Electrostatic Discharge Protection Level (Note 3)
HBM
CDM
Min Max Unit
-0.3 6.0 V
-0.3 VIN + 0.3 V
Internally
Limited
300 °C
150 °C
-55 150 °C
4 kV
2
Recommended Operating Conditions
Parameter
Min Typ Max
Input Voltage Range, VIN
Operating Ambient Temperature Range
2.4 5.5
-40 25
85
LED Forward Voltage
4
Current through each LED
2 30
Note:
2. Operation beyond the absolute maximum ratings may cause damage to device.
3. Using Mil Std. 883E, method 3015.7(Human Body Model) and EIA/JESD22C101-A (Charge Device Model)
Unit
V
°C
V
mA
4 REV. 1.0.0 6/22/04

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FAN5607HMPX 전자부품, 판매, 대치품
PRODUCT SPECIFICATION
FAN5607
Typical Performance Characteristics (cont.)
TA = 25°C, CIN = COUT = 4.7µF, CAP1 = CAP1 = 0.1µF, FAN5607 driving four LEDs with Vf = 3.5V at 20mA, unless
otherwise noted.
Startup at VIN = 3.6V
ILED = 20mA
Startup at VIN = 5V
ILED = 20mA
Input current when driving
4 LEDs x 20mA
Input current when driving
4 LEDs x 20mA
Time (100µs/div)
Line Transient Response
VIN = 3.2V
VIN = 4.2V
Time (100µs/div)
Time (100µs/div)
REV. 1.0.0 6/22/04
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관련 데이터시트

부품번호상세설명 및 기능제조사
FAN5607HMPX

LED Driver with Adaptive Charge Pump DC/DC Converter

Fairchild Semiconductor
Fairchild Semiconductor

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