FAN5099 Fairchild Semiconductor, FAN5099 Datasheet - Page 8

• Manufacturer Part Number: FAN5099
• Description: PWM and ULDO Controller Combo
• Manufacturer: Fairchild Semiconductor

FAN5099 Rev. 1.0.1
© 2006 Fairchild Semiconductor Corporation
Typical Performance Characteristics
Vin=12V, Vdd=5V, Vout=1.5V, Vldo=1.2V, Iload=5A, Ildo=2A, Fosc = 300kHz, unless otherwise noted.
Ch1: EN; Ch2: SS; Ch3: V
Ch1: V
Ch1: V
Figure 10. PWM/LDO Power Down
Figure 9. PWM/LDO Power Up
OUT
OUT
; Ch2:V
; Ch2: V
Figure 11. Auto Restart
OUT_LDO
OUT_LDO
OUT
; Ch3: SS
; Ch3: SS
; Ch4: I
L
, 25A/div
(Continued)
8
Ch1: V
Ch1: V
Figure 13. Enable OFF (I
Figure 12. Enable ON (I
Figure 14. PWM Line Regulation
OUT
OUT
; Ch2: SS; Ch3: EN
; Ch2: SS; Ch3: EN
PWM
PWM
= 5A)
= 5A)
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