ILC6383CIRADJX Fairchild Semiconductor, ILC6383CIRADJX Datasheet
ILC6383CIRADJX
Specifications of ILC6383CIRADJX
Related parts for ILC6383CIRADJX
ILC6383CIRADJX Summary of contents
Page 1
ILC6383 1-Cell to 3-Cell Boost DC-DC Converter with True Load Disconnect, 3.3V Adjustable Output Features • Guaranteed start up in PWM at 0.9V input • Synchronous rectification requires no external diode • True load disconnect from battery input ...
Page 2
ILC6383 Pin Assignments LB/SD SEL 4 (TOP VIEW) ILC6383CIR-XX Pin Definitions Pin Number Pin Number LBI/SD 4 SEL 5 POK (ILC6383CIR-XX (ILC6383CIR-ADJ) 6 LBO ...
Page 3
PRODUCT SPECIFICATION Electrical Characteristics ILC6383CIR-33 in PFM Mode Unless otherwise specified, all limits are at V BOLDFACE type indicates limit that apply over the full operating temperature range. (Note 2) Parameter Symbol Output Voltage V OUT(nom) Maximum Output I OUT ...
Page 4
ILC6383 Electrical Characteristics ILC6383CIR-50 in PWM Mode Unless otherwise specified, all limits are at V BOLDFACE type indicates limit that apply over the full operating temperature range. (Note 2) Parameter Symbol Output Voltage V OUT Maximum Output I OUT Current ...
Page 5
PRODUCT SPECIFICATION General Electrical Characteristics Parameter Symbol Input Voltage Range V IN Battery Input Current I IN(SD) in Load Disconnect Mode Switch on resistance R ds(on) Oscillator Frequency f OSC LBI Input Threshold V REF Input Leakage Current I LEAK ...
Page 6
ILC6383 Applications Information The ILC6383 performs boost DC-DC conversion by control- ling the switch element as shown in the simplified circuit in Figure 3 below. Figure 3. Basic Boost Circuit When the switch is closed, current is built up through ...
Page 7
PRODUCT SPECIFICATION The Dual PWM/PFM mode architecture was designed spe- cifically for applications such as wireless communications, which need the spectral predictability of a PWM-type DC- DC converter, yet also need the highest efficiencies possible, especially in Standby mode. Other ...
Page 8
ILC6383 Shut Down The LBI pin is shared with the shutdown pin. A low voltage (<0.4V) will put the ILC6383 into a power down state. The simplest way to implement this is with an FET across R6 as shown in ...
Page 9
PRODUCT SPECIFICATION External Component Selection Inductors The ILC6383 is designed to work with a 15µH inductor in most applications. There are several vendors who supply standard surface mount inductors to this value. Suggested suppliers are shown in Table 1. Higher ...
Page 10
... V OUT C1 R1 47µ 10K V IN 10K ON 6 LBO OFF POK 5 SEL PWM PFM GND Manufacturer Fairchild Semiconductor muRata muRata Dale, Panasonic Dale, Panasonic Manufacturer Fairchild Semiconductor muRata muRata Dale, Panasonic PRODUCT SPECIFICATION U1 ILC6383ADJ OUT X C1 15µH 47µ GND 10K 3 LBO 6 LBI ...
Page 11
ILC6383 Typical Performance Characteristics ILC6383CIR-33 (V Unless otherwise specified 25° Efficiency (PWM Mode 0 1.5V IN 0.8 0.7 0 100 150 200 250 Load Current (mA) Load ...
Page 12
ILC6383 Typical Performance Characteristics ILC6383CIR-50 (V Unless otherwise specified 25° Efficiency (PWM Mode) Load Regulation (PWM Mode 47µ 47µ 15µH. IN OUT PRODUCT SPECIFICATION = 5.0 V) OUT REV. 1.2.6 ...
Page 13
PRODUCT SPECIFICATION Typical Performance Characteristics ILC6383CIR-50 (V Unless otherwise specified 25° REV. 1.2.6 6/13/02 = 47µ 47µ 15µH. IN OUT ILC6383 = 5.0V) (Continued) OUT 13 ...
Page 14
ILC6383 Mechanical Dimensions 8-Lead MSOP 0.122 (3.1) 0.114 (2.9) Pin 1 identifier 0.006 (.15) 0.016 (.40) 0.004 (.05) 0.01 (.25) 14 0.122 (3.1) 0.244 (5.15) 0.114 (2.9) 0.228 (4.65) 0.025 (.65)BSC 0.009 (.23) 0.005 (.13) 0.043 (1.1) 0.031 (.80) 0.027 ...
Page 15
... Output Voltage ILC6383CIR33X 3.3V ILC6383CIR50X 5.0V ILC6383CIRADJX Adjustable DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; ...