Document
FP6115
340KHz, 2A, Asynchronous Step-Down Regulator
General Description
The FP6115 is a buck switching regulator for wide operating voltage application fields. The FP6115 includes a high current P-MOSFET, a high precision reference (0.8V) for comparing output voltage with a feedback amplifier, an internal soft start timer and dead-time controller. The oscillator is for controlling the maximum duty cycle and PWM frequency.
Features
Precision Feedback Reference Voltage: 0.8V (2%) Wide Supply Voltage Operating Range: 3.6 to 23V Low Current Consumption: 3mA Internal Fixed Oscillator Frequency: 340KHz (Typ.) Internal Soft-Start Function (SS) Built-In P-MOSFET for 2A Output Loading Over Current Protection Package: SOP-8L
Typical Application Circuit
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 0.62
1/14
FP6115 Function Block Diagram
Pin Descriptions
SOP-8L
Name No. I / O
1 2 3 4 5 6 7 8 I I I P O O P P Enable Control Set Switch Output Over Current IC Power Supply (PMOS Source) PMOS High Current Output PMOS High Current Output IC Ground IC Ground
Description
Error Amplifier Inverting Input
TOP View
FB EN OCSET VCC
1 8
FB EN
GND GND LX LX
OCSET VCC LX LX GND GND
2
7
3
6
4
5
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 0.62
2/14
FP6115 Marking Information
FP6115 9Fa-86L
Halogen Free Lot Number Internal ID Per-Half Month Year
Halogen Free: Halogen free product indicator Lot Number: Wafer lot number’s last two digits
For Example: 132386TB 86
Internal ID: Internal Identification Code Per-Half Month: Production period indicated in half month time unit
For Example: January → A (Front Half Month), B (Last Half Month) February → C (Front Half Month), D (Last Half Month)
Year: Production year’s last digit
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 0.62
3/14
FP6115 Ordering Information
Part Number
FP6115DR-G1
Operating Temperature
-25° C ~ +85° C
Package
SOP-8L
MOQ
2500 EA
Description
Tape & Ree l
Absolute Maximum Ratings
Parameter
Power Supply Voltage Output Source Current Error Amplifier Inverting Input Allowable Power Dissipation Thermal Resistance Junction to Ambient Operating Temperature ESD Susceptibility Storage Temperature SOP-8L Lead Temperature TS HBM (Human Body Mode) MM (Machine Mode) SOP-8L (soldering, 10 sec) -55 PD θJA -25 SOP-8L TA≦+25°C -0.3
Symbol
VCC
Conditions
Min.
Typ.
Max.
23 3.5 1.2 650 +110 +85 2 200 +125 +260
Unit
V A V mW °C / W °C KV V °C °C
IR Re-flow Soldering Curve
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Website: http://www.feeling-tech.com.tw
Rev. 0.62
4/14
FP6115 Recommended Operating Conditions
Parameter
Supply Voltage Operating Temperature
Symbol
VCC
Conditions
Min.
3.6 -25
Typ.
Max.
23 85
Unit
V °C
DC Electrical Characteristics (VCC=6V,TA = 25°C, unless otherwise noted)
Parameter Reference
Feedback Voltage Input Regulation Feedback Voltage Change with Temperature
Symbol
Conditions
Min.
0.784
Typ.
0.8 1 1
Max.
0.816 2 2
Unit
V % %
VREF △VREF / VCC=3.6 V to 23 V VREF △VREF / VREF TA=- -25°C to +85°C Measured from LX pin waveform Measured from LX pin fSC waveform ∆f / ∆V VCC=3.6V to 23V
Oscillator Section
Oscillation Frequency Short Circuit or Over Current Oscillation Frequency Frequency Change with Voltage Frequency Change with Temperature Maximum Duty Cycle
f
340 50 5
KHz KHz %
∆f / ∆T TA = -25°C to +85°C
5
%
Idle Period Adjustment Section
TDUTY VFB =0.2V 80 %
Output Section
PMOS Switch Current PMOS On Resistance ILX RDS (ON) VCC=4.5V VCC=10V -2 70 50 95 60 A mΩ mΩ °C µA 20 1.1 0.85 200 VEN=0V 250 2 3 10 6 µA V V mV µA mA
Thermal Shutdown Section
Thermal Shutdown Temperature +150 IOCSET IEN VLOW VHYS ISD IAVE VEN=2.5V EN pin low 40
Over Current Protection Section
OCSET Bias Current
Total Device Section
EN Pin Input Current EN Pin On Threshold EN Pin Off Threshold EN Pin Hysteresis Supply Shutdown Current Supply Average current VUPPER EN pin upper
This datasheet contains new product information. Feeling Tech.