FAN5236QSC Fairchild Semiconductor, FAN5236QSC Datasheet - Page 5

• Manufacturer Part Number: FAN5236QSC
• Description: IC CTRLR DDR/PWM DUAL HE 28QSOP
• Manufacturer: Fairchild Semiconductor

Specifications of FAN5236QSC

• Applications: Controller, Mobile-Friendly DDR
• Voltage - Input: 5 ~ 24 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5 V
• Operating Temperature: -10°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Operating Temperature Range: - 10 C to + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN5236QSC_NL; FAN5236QSC_NL

FAN5236
Electrical Specifications
REV. 1.1.9 7/12/04
Parameter
Power Supplies
VCC Current
VIN Current – Sinking
VIN Current – Sourcing
VIN Current – Shut-down
UVLO Threshold
UVLO Hysteresis
Oscillator
Frequency
Ramp Amplitude, pk–pk
Ramp Amplitude, pk–pk
Ramp Offset
Ramp / VIN Gain
Ramp / VIN Gain
Reference and Soft Start
Internal Reference Voltage
Soft Start current (I
Soft Start Complete Threshold
PWM Converters
Load Regulation
VSEN Bias Current
VOUT pin input impedance
Under-voltage Shutdown
Over-voltage threshold
I
Output Drivers
HDRV Output Resistance
LDRV Output Resistance
PG (Power Good Output) and Control pins
Lower Threshold
Upper Threshold
PG Output Low
Leakage Current
PG2/REF2OUT Voltage
SNS
Over-Current threshold
SS
)
Recommended operating conditions, unless otherwise noted.
LDRV, HDRV Open, VSEN forced
above regulation point
Shut-down (EN=0)
VIN = 24V
VIN = 0V
Rising VCC
Falling
VIN = 16V
VIN = 5V
VIN
1V < VIN < 3V
at start-up
I
as % of set point. 2 S noise filter
as % of set point. 2 S noise filter
R
Sourcing
Sinking
Sourcing
Sinking
as % of set point, 2 S noise filter
as % of set point, 2 S noise filter
IPG = 4mA
V
DDR = 1, 0 mA < I
OUTX
ILIM
PULLUP
= 68.5K see Figure 11.
3V
from 0 to 5A, VIN from 5 to 24V
= 5V
Conditions
REF2OUT
10mA
0.891
Min.
255
115
112
–86
108
4.3
4.1
10
50
45
70
99
-2
Typ.
4.55
4.25
1.25
PRODUCT SPECIFICATION
–15
300
300
125
250
120
140
2.2
0.5
0.9
1.5
2.4
1.2
80
55
75
12
12
2
5
0.909
Max.
4.75
4.45
1.01
–30
345
120
125
168
–94
116
3.0
0.5
30
30
+2
65
80
15
15
1
4
2
1
VREF2
Units
mV/V
mV/V
KHz
mA
mV
K
nA
%
%
%
%
%
%
V
V
V
V
V
V
V
V
A
A
A
A
A
A
A
5