FAN73402 Datasheet, PDF (5/16 Pages) Fairchild Semiconductor – LED Backlight Driving Boost Switch

Electrical Characteristics
For typical values, T_A = 25°C and V_CC = 15V unless otherwise specified. Specifications to -40°C ~ 125°C are
guaranteed by design based on final characterization results.
Symbol
Parameter
Supply Voltage Section
V_CC
Input DC Supply Voltage Range⁽⁴⁾
I_SD
Shutdown Mode Supply Current
Under-Voltage Lockout Section
V_th
V_th,hys
I_st
Start Threshold Voltage
Start Threshold Voltage Hysteresis
Standby Current
ON/OFF Section
V_ON
V_OFF
On-State Input Voltage
Off-State Input Voltage
Error Amplifier Section
G_m
A_{V_ro}
A_V
Error Amplifier Transconductance⁽⁴⁾
Error Amplifier Output impedance⁽⁴⁾
Error Amplifier Open-Loop Gain⁽⁴⁾
V_offset
Input Offset Voltage
I_sin
CMP Sink Current
I_sur
CMP Source Current
V_IDR
Input Differential Voltage Range
V_O
Output Voltage Range
Oscillator Section
f_osc
Boost Oscillator Frequency
D_max
Maximum Duty Cycle⁽⁴⁾
Reference Section
V_REF
V_REF,Line
V_REF,Load
5V Regulation Voltage
5V Line Regulation
5V Load Regulation
PWM Dimming Section
V_PDIM,L
V_PDIM,H
R_PDIM
PWM Dimming Input Low Voltage
PWM Dimming Input High Voltage
PWM Dimming Pull-Down Resistance
FET Section (for Dimming)
BV_DSS Drain-Source Breakdown Voltage⁽⁴⁾
I_DSS
Zero-Gate-Voltage Drain Current⁽⁴⁾
R_DS(ON) Drain-Source On-State Resistance
C_ISS
C_OSS
Input Capacitance⁽⁴⁾
Output Capacitance⁽⁴⁾
Condition
BDIM Connected to GND
V_CC=V_th-0.2
V_ADIM=1V
V_ADIM=1V
V_ADIM=1V, V_SENSE=2V
V_ADIM=1V, V_SENSE=0V
Minimum
R_T=100kΩ
Maximum
0<I5<3mA
Min. Typ. Max. Unit
10
35
V
2
4
mA
8.3
9.0
9.7
V
0.5
1.0
1.5
V
200 300 μA
2
5
V
0.8
V
100 300 500 µmho
20
MΩ
60
dB
-10
10
mV
100 200 300 µA
100 200 300 µA
0
3
V
0.7
4.0
V
50
190 200 210 kHz
300
86
90
94
%
4.9
5.0
5.1
V
25
mV
25
mV
0.8
V
2
5
V
100 160 220 kΩ
V_CC=0V, I_D=250μA
200
V
V_DS=250V, T_A=25°C
1
30
µA
V_GS=10V, I_D=1A
0.7
1.0
Ω
V_DS=25V, V_GS=0V, f=1MHz
V_DS=25V,V_GS=0V, f=1MHz
173 225 pF
30
40
pF
Continued on the following page…
© 2012 Fairchild Semiconductor Corporation
FAN73402 • 1.0.0
5
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