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PDF IR3824 Data sheet ( Hoja de datos )
| Número de pieza | IR3824 | |
| Descripción | 15A Highly Integrated Single-Input Synchchrous SupIRBuck Regulator | |
| Fabricantes | Infineon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IR3824 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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IR3824
15A Highly Integrated Single-Input Synchchrous SupIRBuck® Regulator
Datasheet
Rev 3.7, 03/24/2016
Power Management & Multimarket
1 page  
IR3824
Pinout Diagram and Pin Description
4 Pinout Diagram and Pin Description
Figure 4-1 Pinout Diagram: PQFN 5 mm x 6 mm (Top View)
Table 4-1
Pin No.
1
2
3
4
5
6
7
8
Pin Description
Name
Pin
Type
Function
Fb I Inverting input to the error amplifier. This pin is connected directly to the output
of the regulator via resistor divider to set the output voltage and provide
feedback to the error amplifier.
NC - Do Not Connect. Must be left floating.
Comp
O Output of error amplifier. An external resistor and capacitor network is typically
connected from this pin to Fb to provide loop compensation.
Gnd S Signal ground for internal reference and control circuitry.
Rt I Set switching frequency. Use an external resistor from this pin to Gnd to set
the free-running switching frequency.
ILIM I Current Limit set point. This pin allows the trip point to be set to one of three
possible settings by either floating this pin, connecting it to VCC or connecting
it to PGnd.
PGood
O Power Good status output pin is open drain. Connect a pull up resistor from
this pin to the voltage lower than or equal to the Vcc.
Vsns
I Sense pin for over-voltage protection and PGood.
Datasheet
5 Rev 3.7 03/24/2016
5 Page 
IR3824
Specifications
5.4 Typical Efficiency and Power Loss Curves
PVin = Vin = 12V, VCC = Internal LDO, IO = 0A - 15A, Room Temperature, No Air Flow. Note that the efficiency and
power loss curves include the losses of IR3824, the inductor losses and the losses of the input and output
capacitors. The table shows the inductors used for each of the output voltages in the efficiency measurement.
Table 5-5 Inductor List for IR3824 Efficiency Measurement: PVin = Vin = 12V
VOUT (V) FS (kHz) LOUT (µH) P/N DCR (mΩ)
1.0
600
0.4
FP1107R1-R40-R (Coiltronics)
0.29
1.2
600
0.4
FP1107R1-R40-R (Coiltronics)
0.29
1.8 600 0.47 7443330047(Wurth Elektronik) 1.6
3.3 600 0.88 MPC1040LR88C(NEC/Tokin) 2.3
5
600
1.00
7443330100(Wurth Elektronik)
2.15
Size (mm)
11.0 x 7.2 x 7.5
11.0 x 7.2 x 7.5
10.9 x 10.0 x 9.3
11.5 x 10.0 x 4.0
10.9 x 10.0 x 9.3
98 IR3824, Efficiency, PVin = Vin = 12V, fsw = 600kHz
94
90
86
82
78
Figure 5-1
74
1.5 3 4.5 6 7.I5out (A9) 10.5 12 13.5 15
IR3824 Efficiency Curves - PVin = Vin = 12V, VCC = Internal LDO
1V
1.2V
1.8V
3.3V
5V
Figure 5-2
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
IR3824, Power Losses, Pvin=Vin=12V, fsw=600kHz
1 2 3 4 5 6 7 Iou8t (A9) 10 11 12 13 14 15
IR3824 Power Loss Curves- PVin = Vin = 12V, VCC = Internal LDO
1V
1.2V
1.8V
3.3V
5V
Datasheet
11 Rev 3.7 03/24/2016
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IR3824.PDF ] | |
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