CM6901GIP CHAMP [Champion Microelectronic Corp.], CM6901GIP Datasheet

no-image

CM6901GIP

Manufacturer Part Number
CM6901GIP
Description
SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs
Manufacturer
CHAMP [Champion Microelectronic Corp.]
Datasheet
2009/11/02 Rev1.4
GENERAL DESCRIPTION
CM6901 is a SLS, SRC/LLC + SR resonant controller
and it can operate at both SRC and LLC region with
synchronous rectification to achieve high efficiency. Its
unique features: FM + 2 PWMING modes. It is used for
DC-DC conversion in offline application.
Light load regulation is accomplished by transitioning
the controller from frequency modulation mode into
PWM mode. To have the optimal balance performance
between hold-up time and efficiency, its frequency range
crosses fr1(resonant frequency).
CM6901 system has a constant voltage feedback loop
with precision 2.5V VFB reference. The 1V ILIMIT can
be latched when a standby converter is applied;
otherwise, it is an auto-restart I limit.
APPLICATIONS
DC-DC power supply.
Operates in FM/PWM mode.
SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs
Champion Microelectronic Corporation
FEATURES
CM6901 Pin Configuration
90+ Controller
Smaller and Thinner Transformer
20ms with reasonable Bulk Cap(hold up time)
SLS, SRC/LLC + SR resonant controller
Supply Voltage Range : 10V to 20V.
2 Gate Drivers: Typical Peak Drive from 12V
supply : (PMOS~200 ohm and NMOS~100 ohm).
UVLO =11V with 1V Hystetesis.
Reference OK Comparator.
FM + 2 PWMING Mode Operation
Light Load PWMING (light load regulation)
SR Ideal Diode PWMING(cross resonant frequency
application )
GM FEAO, FM modulation Error Amplifier
GM DEAO, PWM Error Amplifier
Close Loop Soft start Capability with Shutdown
Function.
Auto-Restart during Current Limit .
Precision 2.5V VFB threshold for constant voltage
feedback loop.
Precision 1V I limit threshold.
Page 1
CM6901

Related parts for CM6901GIP

CM6901GIP Summary of contents

Page 1

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs GENERAL DESCRIPTION CM6901 is a SLS, SRC/LLC + SR resonant controller and it can operate at both SRC and LLC region with synchronous rectification to achieve high efficiency. Its unique features ...

Page 2

... SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs ORDERING INFORMATION Part Number CM6901GIS* CM6901GISTR* CM6901GIP* CM6901XIS* CM6901XISTR* CM6901XIP* *Note : G : Suffix for Pb Free Product X : Suffix for Halogen Free and PB Free Product TR : Package is Typing Reel BLOCK DIAGRAM FEAO 3 VFB 2.5V - RSET DEAO 6 VCC 10uA ...

Page 3

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs PIN DESCRIPTION Pin No. Symbol External resistor which convert FEAO voltage signal into current RSET 1 signal for frequency modulation PWMing Control , when RSET lower than 1.5V. VFB 2 Non-inverting ...

Page 4

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs ABSOULTE MAXIMUM RATINGS The following ratings designate persistent limits beyond which damage to the device may occur Symbol VCC DC Supply Voltage SRDRV SRDRV Voltage SRDRVB SRDRVB Voltage PRIDRV PRIDRV Voltage PRIDRVB PRIDRVB ...

Page 5

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs ELECTRICAL CHARACTERISTICS (VCC=12V, RT=43K±1%, CT=820pF±1%, Freq KHz, Duty Cycle=48% , Temp= -40 ~ 125 ℃, unless otherwise specified.) Parameter Symbol VREF (pin 16) Reference Voltage ( note1) Line Regulation Load Regulation ...

Page 6

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs ELECTRICAL CHARACTERISTICS (VCC=12V, RT=43K±1%, CT=820pF±1%, Freq KHz, Duty Cycle=48% , Temp=-40 ~ 125℃, unless otherwise specified.) Parameter CSS (pin 7) Soft Start Current Enable Voltage Enable Hysteresis Auto-restart Upper Threshold Auto-restart ...

Page 7

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs ELECTRICAL CHARACTERISTICS (VCC=12V, RT=43K±1%, CT=820pF±1%, Freq KHz, Duty Cycle=48% , Temp=-40 ~ 125 ℃, unless otherwise specified.) Parameter RTCT Oscillator;RT=43K±1%;CT=820pF±1%, (pin 9) Initial Accuracy Voltage Stability Temperature Stability Ramp Valley to ...

Page 8

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs Note1 7.68 7.67 7.66 7.65 7.64 7.63 7.62 7.61 7.6 7.59 Vref 7.58 7.57 7.56 7.55 7.54 7.53 7.52 7.51 7.5 7.49 7.48 7.47 -40 -30 -20 -10 ℃ ℃ ℃ ℃ Note2 ...

Page 9

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs Timing Diagram Dead Time PRIDRVB PRIDRV Delay Time SRDRVB SRDRV Oscillator The oscillator frequency is determined by the values of RT and CT osc RAMP ...

Page 10

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs PWMings: SR Ideal Diode PWMing (Synchronous Outputs) SR Ideal Diode PWMing for synchronous drivers is accomplished by comparing the voltage signal at the RSET ...

Page 11

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs Light Load PWMING In Application , low gain configuration accomplished by connecting R gain for the PWM is determined by R the controller goes into FM and PWM simultaneously is equal to : ...

Page 12

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs Soft Start and Enable Soft start of the FM and PWM is controlled by the selection of the external capacitor at CSS pin. A current source of 7.5uA supplies the charging current for ...

Page 13

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs TYPICAL APPLICATION CIRCUIT DC-DC 380VDC D16 1N4148 DRVH Q12 R60 10Ω FCP11N60 R61 47KΩ DRVHGND D17 1N4148 Q14 DRVL FCP11N60 R63 10Ω C52 NC R65 47KΩ SLS Controller 12VS R68 R69 47KΩ 47KΩ ...

Page 14

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs PACKAGE DIMENSION PIN 1 ID 2009/11/02 Rev1.4 16-PIN PDIP (P16) 16-PIN SOP (S16) θ Champion Microelectronic Corporation CM6901 θ Page 14 ...

Page 15

SLS (SRC/LLC+SR) Controller with 1 FM+2 PWMs Champion Microelectronic Corporation (CMC) reserves the right to make changes to its products or to discontinue any integrated circuit product or service without notice, and advises its customers to obtain the latest version ...

Related keywords