FAN2103EMPX Fairchild Semiconductor, FAN2103EMPX Datasheet - Page 5

• Manufacturer Part Number: FAN2103EMPX
• Description: IC BUCK SYNC ADJ 3A 25MLP
• Manufacturer: Fairchild Semiconductor
• Series: TinyBuck™r
• Type: Step-Down (Buck)r

Specifications of FAN2103EMPX

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 3 ~ 21 V
• Current - Output: 3A
• Frequency - Switching: 200kHz ~ 600kHz
• Voltage - Input: 3 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 25-MLP
• Power - Output: 2.8W
• Mounting Style: SMD/SMT
• Efficiency: 95 %
• Input / Supply Voltage (max): 24 V
• Input / Supply Voltage (min): 3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Output Current: 3 A
• Output Power: 2.8 W
• Output Voltage: 3.2 V
• Supply Current: 8 mA
• Switching Frequency: 600 KHz
• For Use With: FEB207 - BOARD EVAL FOR FAN2103
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: FAN2103EMPXTR

© 2007 Fairchild Semiconductor Corporation
FAN2103 • Rev. 1.0.6
Electrical Specifications
Recommended operating conditions are the result of using the circuit shown in Figure 1 unless otherwise noted.
Power Supplies
V
V
Oscillator
Frequency
Minimum On-Time
Ramp Amplitude, pk–pk
Minimum Off-Time
Reference
Reference Voltage (V
Temperature Coefficient
Error Amplifier
DC Gain
Gain Bandwidth Product
Output Voltage (V
Output Current, Sourcing
Output Current, Sinking
FB Bias Current
Protection and Shutdown
Current Limit
I
Over-Temperature Shutdown
Over-Temperature Hysteresis
Over-Voltage Threshold
Under-Voltage Shutdown
Fault Discharge Threshold
Fault Discharge Hysteresis
Soft-Start
V
Fault Enable/SSOK (T1.0)
Note:
2.
LIM
CC
CC
OUT
Current
Current
UVLO Threshold
Specifications guaranteed by design and characterization; not production tested.
to Regulation (T0.8)
(2)
Parameter
COMP
(2)
(2)
FB
)
)
(2)
SW = Open, FB = 0.7V, V
f
Shutdown: EN = 0, V
Rising V
Hysteresis
R
R
16V
R
FAN2103M, 25°C
FAN2103EM, 25°C
FAN2103M, -10 to +85°C
FAN2103EM, -40 to +85°C
V
V
V
V
R
25°C, V
Internal IC Temperature
2 Consecutive Clock Cycles
16 Consecutive Clock Cycles
Measured at FB Pin
Measured at FB Pin (V
Frequency = 600KHz
SW
CC
CC
CC
FB
T
T
RAMP
ILIM
= 50KΩ
= 24KΩ
= 600KHz
IN
= 5V
= 5V, V
= 5V, V
= 0.8V, 25°C
open
, 1.8V
= 200KΩ
CC
CC
= 5V
OUT
COMP
COMP
Conditions
, R
= 2.2V
= 1.2V
T
= 30KΩ,
CC
5
FB
= 5V
~500mV)
CC
= 5V,
Min.
-850
255
540
110
794
795
4.1
0.4
1.5
0.8
3.8
80
12
68
9
Typ.
+160
-650
0.53
300
300
600
100
800
800
+30
115
250
250
4.3
2.2
1.2
5.0
5.3
6.7
50
50
70
85
15
10
73
8
7
Max.
-450
345
660
150
806
805
120
4.5
3.2
7.0
12
10
65
11
78
www.fairchildsemi.com
%V
%V
Unit
PPM
PPM
MHz
KHz
KHz
mA
mV
mV
mV
mA
mA
mV
mV
µA
µA
ms
ms
dB
nA
°C
°C
ns
ns
V
V
V
A
OUT
OUT