FAN7930B

CRM Boost PFC Controller

The FAN7930B is a crm boost pfc controller from Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series. View the full FAN7930B datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

FAN7930B shares its datasheet with FAN7530, whose page lists every part number it covers.

Official FAN7930B datasheet (PDF) — the source this page was extracted from.

Manufacturer

Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series

FAN7930B Key Specifications

Parameter	Value
ESD (HBM)	2.5kV
UVLO Hysteresis	3.5V typ
Thermal Shutdown	140°C with 60°C hysteresis
ZCD Input Threshold	1.35V to 1.65V (1.5V typ)
Output Rise/Fall Time	50ns typ (CIN = 1nF)
Startup Supply Current	120uA typ, 190uA max
Current Sense Threshold	0.7V to 0.9V (0.8V typ)
Peak Gate Drive Current	+500mA / -800mA
Operating Supply Current	1.5mA typ, 3.0mA max
Disable Threshold (INV Pin)	below 0.45V
Operating Temperature Range	-40°C to +125°C
Operating Current At Disable	160uA typ
Supply Voltage Operating Range	13V to 20V
Error Amplifier Transconductance	90 to 140 umho
Error Amplifier Reference Voltage	2.465V to 2.535V (2.5V typ)
Junction-To-Ambient Thermal Resistance	150°C/W
Stop Threshold Voltage (VCC Decreasing)	7.5V to 9.5V (8.5V typ)
Start Threshold Voltage (VCC Increasing)	11V to 13V (12V typ)

FAN7930B Overview

Part: FAN7930C (ordering part number FAN7930CMX-G)

Type: Critical Conduction Mode (CRM) Boost PFC Controller

Description: Voltage-mode CRM PFC controller with 13–20 V recommended supply range, +500/-800 mA peak gate drive, a 2.5 V feedback reference, and an 8-pin SOP package.

Operating Conditions:

Supply voltage: 13–20 V (recommended operating range, V OP)
Operating temperature: -40 to +125 °C
Start threshold 12 V typ, stop threshold 8.5 V typ (3.5 V UVLO hysteresis)
Maximum switching frequency limit: 300 kHz typ

Absolute Maximum Ratings:

Max supply voltage: V Z (zener voltage, 22 V typ at I CC = 20 mA)
Peak drive output current: -800 / +500 mA
Error amplifier input, output and ZCD voltage: -0.3 to 8.0 V
CS input voltage: -10.0 to 6.0 V
Max operating junction temperature: +150 °C
Storage temperature: -65 to +150 °C
ESD: 2.5 kV HBM, 2.0 kV CDM

Key Specs:

Feedback threshold V REF1: 2.465 / 2.500 / 2.535 V (min/typ/max, T A = 25 °C)
Startup supply current: 120 μA typ, 190 μA max (V CC = V START - 0.2 V)
Operating supply current: 1.5 mA typ, 3.0 mA max (not switching)
Dynamic operating supply current: 2.5 mA typ, 4.0 mA max (50 kHz, 1 nF load)
Current-sense threshold limit: 0.7 / 0.8 / 0.9 V
Gate output rise and fall time: 50 ns typ, 100 ns max (C IN = 1 nF)
OVP threshold: 2.675 V typ (T A = 25 °C), hysteresis 0.175 V
Internal soft-start: 5 ms typ
Restart timer delay: 150 μs typ
Thermal shutdown: 140 °C typ, 60 °C hysteresis
Thermal resistance, junction to ambient: 150 °C/W

Features:

VIN-absent detection
PFC-ready (RDY) open-drain signal
Maximum switching frequency limitation
Internal THD optimizer
Internal soft-start and startup without overshoot
Precise adjustable output over-voltage protection
Zero-current detector (ZCD)
Open-feedback protection and disable function (INV below 0.45 V)
150 μs internal startup timer
UVLO with 3.5 V hysteresis
MOSFET over-current protection (OCP)
Low startup and operating current
Totem-pole output with high-state clamp

Applications:

Ballast
Adapter
LCD TV, CRT TV
SMPS

Package:

8-lead Small Outline Package (SOP), Pb-free, 2500 units per tape and reel

FAN7930B Features

VIN -Absent Detection
PFC -Ready Signal
Maximum Switching Frequency Limitation
Internal Total Harmonic Distortion (THD) Optimizer
Internal Soft -Start and Startup without Overshoot
Precise Adjustable Output Over -Voltage Protection
Zero -Current Detector (ZCD)
Open -Feedback Protection and Disable Function
150 m s Internal Startup Timer
Under -Voltage Lockout with 3.5 V Hysteresis
MOSFET Over -Current Protection (OCP)
Low Startup and Operating Current
- 500/ -800 mA Peak Gate Drive Current
Totem -Pole Output with High State Clamp
8 -Pin, Small Outline Package (SOP)

FAN7930B Applications

Figure 23. Circuit Around INV Pin

Figure 24. Timing Chart for INV Block

FAN7930B Pin Configuration

Figure 3. Pin Configuration (Top View)

FAN7930B Electrical Characteristics

	Pin	Specification	Remark
Inductance	3, 4 → 1, 2	194 m H ± 5%	100 kHz, 1 V

FAN7930B Absolute Maximum Ratings

Symbol	Parameter	Parameter	Min	Max	Unit
V CC	Supply Voltage	Supply Voltage	-	V Z	V
I OH , I OL	Peak Drive Output Current	Peak Drive Output Current	- 800	+500	mA
I CLAMP	Driver Output Clamping Diodes V O > V CC or V O < - 0.3 V	Driver Output Clamping Diodes V O > V CC or V O < - 0.3 V	- 10	+10	mA
I DET	Detector Clamping Diodes	Detector Clamping Diodes	- 10	+10	mA
V IN	RDY Pin (Note 1)	RDY Pin (Note 1)	-	V Z	V
	Error Amplifier Input, Output and ZCD (Note 1)	Error Amplifier Input, Output and ZCD (Note 1)	- 0.3	8.0	V
	CS Input Voltage (Note 2)	CS Input Voltage (Note 2)	- 10.0	6.0	V
T J	Operating Junction Temperature	Operating Junction Temperature	-	+150	° C
T A	Operating Temperature Range	Operating Temperature Range	- 40	+125	° C
T STG	Storage Temperature Range	Storage Temperature Range	- 65	+150	° C
ESD	Electrostatic Discharge Capability	Human Body Model, JESD22 - A114	-	2.5	kV
		Charged Device Model, JESD22 - C101	-	2.0	kV

FAN7930B Thermal Information

Symbol	Parameter	Min	Max	Unit
Q JA	Thermal Resistance, Junction - to - Ambient (Note 3)	150	-	° C/W

ELECTRICAL CHARACTERISTICS (V CC = 14 V and T A = -40 ° C~+125 ° C, unless otherwise noted)

Symbol	Parameter	Conditions	Min	Typ	Max	Unit
V CC SECTION	V CC SECTION	V CC SECTION	V CC SECTION	V CC SECTION	V CC SECTION	V CC SECTION
V START	Start Threshold Voltage	V CC Increasing	11	12	13	V
V STOP	Stop Threshold Voltage	V CC Decreasing	7.5	8.5	9.5	V
HY UVLO	UVLO Hysteresis		3.0	3.5	4.0	V
V Z	Zener Voltage	I CC = 20 mA	20	22	24	V
V OP	Recommended Operating Range		13	-	20	V
SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION	SUPPLY CURRENT SECTION
I START	Startup Supply Current	V CC = V START - 0.2 V	-	120	190	m A
I OP	Operating Supply Current	Output Not Switching	-	1.5	3.0	mA
I DOP	Dynamic Operating Supply Current	50 kHz, C I = 1 nF	-	2.5	4.0	mA
I OPDIS	Operating Current at Disable	V INV = 0 V	90	160	230	m A
ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION	ERROR AMPLIFIER SECTION
V REF1	Voltage Feedback Input Threshold1	T A = 25 ° C	2.465	2.500	2.535	V
D V REF1	Line Regulation	V CC = 14 V~20 V	-	0.1	10.0	mV
D V REF2	Temperature Stability of V REF1 (Note 4)		-	20	-	mV
I EA,BS	Input Bias Current	V INV = 1 V~4 V	- 0.5	-	0.5	m A
I EAS,SR	Output Source Current	V INV = V REF - 0.1 V	-	- 12	-	m A
I EAS,SK	Output Sink Current	V INV = V REF + 0.1 V	-	12	-	m A
V EAH	Output Upper Clamp Voltage	V INV = 1 V, V CS = 0 V	6.0	6.5	7.0	V
V EAZ	Zero - Duty Cycle Output Voltage		0.9	1.0	1.1	V
g m	Transconductance (Note 4)		90	115	140	m mho

ELECTRICAL CHARACTERISTICS (V CC = 14 V and T A = -40 ° C~+125 ° C, unless otherwise noted) (continued)

Symbol	Parameter	Conditions	Min	Typ	Max	Unit
MAXIMUM ON - TIME SECTION	MAXIMUM ON - TIME SECTION
t ON,MAX1	Maximum On - Time Programming 1	T A = 25 ° C, V ZCD = 1 V	35.5	41.5	47.5	m s
t ON,MAX2	Maximum On - Time Programming 2	T A = 25 ° C, I ZCD = 0.469 mA	11.2	13.0	14.8	m s
CURRENT - SENSE SECTION	CURRENT - SENSE SECTION
V CS	Current - Sense Input Threshold Voltage Limit		0.7	0.8	0.9	V
I CS,BS	Input Bias Current	V CS = 0 V~1 V	- 1.0	- 0.1	1.0	m A
t CS,D	Current - Sense Delay to Output (Note 4)	dV/dt = 1 V/100 ns, from 0 V to 5 V	-	350	500	ns
ZERO - CURRENT DETECT SECTION	ZERO - CURRENT DETECT SECTION
V ZCD	Input Voltage Threshold (Note 4)		1.35	1.50	1.65	V
HY ZCD	Detect Hysteresis (Note 4)		0.05	0.10	0.15	V
V CLAMPH	Input High Clamp Voltage	I DET = 3 mA	5.5	6.2	7.5	V
V CLAMPL	Input Low Clamp Voltage	I DET = - 3 mA	0	0.65	1.00	V
I ZCD,BS	Input Bias Current	V ZCD = 1 V~5 V	- 1.0	- 0.1	1.0	m A
I ZCD,SR	Source Current Capability (Note 4)	T A = 25 ° C	-	-	- 4	mA
I ZCD,SK	Sink Current Capability (Note 4)	T A = 25 ° C	-	-	10	mA
t ZCD,D	Maximum Delay From ZCD to Output Turn - On (Note 4)	dV/dt = - 1 V/100 ns, from 5 V to 0	100	-	200	ns
OUTPUT SECTION	OUTPUT SECTION
V OH	Output Voltage High	I O = - 100 mA, T A = 25 ° C	9.2	11.0	12.8	V
V OL	Output Voltage Low	I O = 200 mA, T A = 25 ° C	-	1.0	2.5	V
t RISE	Rising Time (Note 4)	C IN = 1 nF	-	50	100	ns
t FALL	Falling Time (Note 4)	C IN = 1 nF	-	50	100	ns
V O,MAX	Maximum Output Voltage	V CC = 20 V, I O = 100 m A	11.5	13.0	14.5	V
V O,UVLO	Output Voltage with UVLO Activated	V CC = 5 V, I O = 100 m A	-	-	1	V
RESTART / MAXIMUM SWITCHING FREQUENCY LIMIT	RESTART / MAXIMUM SWITCHING FREQUENCY LIMIT	SECTION
t RST	Restart Timer Delay		50	150	300	m s
f MAX	Maximum Switching Frequency (Note 4)		250	300	350	kHz
RDY PIN	RDY PIN
I RDY,SK	Output Sink Current		1	2	4	mA
V RDY,SAT	Output Saturation Voltage	I RDY,SK = 2 mA	-	320	500	mV
I RDY,LK	Output Leakage Current	Output High Impedance	-	-	1	m A
SOFT - START TIMER SECTION	SOFT - START TIMER SECTION
t SS	Internal Soft - Soft (Note 4)		3	5	7	ms
UVLO SECTION	UVLO SECTION
V RDY	Output Ready Voltage		2.166	2.240	2.314	V
HY RDY	Output Ready Hysteresis		-	0.189	-	V
PROTECTIONS	PROTECTIONS
V OVP	OVP Threshold Voltage	T A = 25 ° C	2.620	2.675	2.730	V
HY OVP	OVP Hysteresis	T A = 25 ° C	0.120	0.175	0.230	V
V EN	Enable Threshold Voltage		0.40	0.45	0.50	V
HY EN	Enable Hysteresis		0.05	0.10	0.15	V
T SD	Thermal Shutdown Temperature (Note 4)		125	140	155	° C
T HYS	Hysteresis Temperature of TSD (Note 4)			60		° C

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions.

These parameters, although guaranteed by design, are not production tested.

FAN7930B Typical Application

Figure 1. Typical Boost PFC Application

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part Number	Manufacturer	Package
FAN7530	Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series	—
FAN7530C	Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series	SOP-8
FAN7930C	Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series	SOP-8
FAN7930CMX-G	Not explicitly stated, but typically Fairchild/ON Semiconductor for FAN series	SOP-8

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