FAN5099 Fairchild Semiconductor, FAN5099 Datasheet - Page 7

• 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.
Figure 5. PWM Load Transient (0 to 10A)
Figure 4. PWM Load Transient (0 to 5A)
Ch1: HDRV; Ch2: LDRV. Dead times: 62ns, 32ns
Ch1: V
Ch1: V
Figure 3. Dead Time Waveform
OUT
OUT
; Ch3: I
; Ch3: I
L
L
, 2.5A/div
, 5A/div
7
Figure 6. PWM Load Transient (0 to 15A)
Figure 7. LDO Load Transient (0 to 2A)
Figure 8. LDO Load Transient (0 to 5A)
Ch1: V
Ch1: V
Ch1: V
OUT
OUT_LDO
OUT_LDO
; Ch3: I
; Ch3: I
; Ch3: I
L
, 5A/div
LDO
LDO
, 1A/div
, 2.5A/div
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