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| FAN6520A_06 Datasheet, PDF (5/15 Pages) Fairchild Semiconductor – Single Synchronous Buck PWM Controller | |||
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Electrical Specifications
VCC = 5V and TA = 25°C, using the circuit shown in Figure 1 unless otherwise noted. The ⢠denotes specifications that
apply over the full operating temperature range.
Symbol Parameter
Supply Current
IVCC VCC Current
Power-On Reset
POR Rising VCC POR Threshold
VCC POR Threshold Hysteresis
Oscillator
FOSC Frequency
ÎVOSC Ramp Amplitude
Reference
VREF Reference Voltage
Error Amplifier
DC Gain
GBWP Gain â Bandwidth Product
S/R Slew Rate
Gate Drivers
RHUP HDRV Pulll-Up Resistance
RHDN HDRV Pull-Down Resistance
RLUP LDRV Pull-Up Resistance
RLDN LDRV Pull-Down Resistance
Protection/Disable
IOCSET OCSET Current Source
VDISABLE Disable Threshold
Conditions
Min. Typ. Max. Units
HDRV, LDRV open ⢠1.5
2.4
3.8
mA
⢠4.00 4.22 4.45
V
170
mV
FAN6520A
FAN6520AI
⢠250 300 340 kHz
⢠230 300 340 kHz
â¢
1.5
Vp-p
TA = 0 to 70°C
FAN6520AI
⢠788 800 812 mV
⢠780 800 820 mV
88
dB
15
MHz
8
V/µs
2.5
Ω
2.0
Ω
2.5
Ω
1.0
Ω
FAN6520A
FAN6520AI
⢠17
20
22
μA
⢠14
20
24
μA
800
mV
Notes:
1. All limits at operating temperature extremes are guaranteed by design, characterization, and statistical quality
control.
2. AC specifications guaranteed by design/characterization (not production tested).
© 2005 Fairchild Semiconductor Corporation
FAN6520A Rev. 1.0.5
5
www.fairchildsemi.com
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