Datasheet IR3889 IR OptiMOS IPOL (Infineon) - 5
| Fabricante | Infineon |
| Descripción | A single-voltage synchronous Buck regulator |
| Páginas / Página | 50 / 5 — OptiMOS™ IPOL. 30 A single-voltage synchronous Buck regulator. Functional … |
| Revisión | 02_04 |
| Formato / tamaño de archivo | PDF / 2.9 Mb |
| Idioma del documento | Inglés |
OptiMOS™ IPOL. 30 A single-voltage synchronous Buck regulator. Functional block diagram. AGND. PGood. Vin. VCC/LDO. VDRV. UVP. POR. UVP OTP
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IR OptiMOS™ IPOL 30 A single-voltage synchronous Buck regulator Functional block diagram 2 Functional block diagram AGND PGood Vin VCC/LDO VDRV AGND UVP POR UVP OTP Threshold
+ -
LDO VCC EN Fault AGND OVP BOOT
+ -
Hysteresis OVP Turn-on Delay Threshold PVin PGood
Q S
Prebias HDrVin HDrv
+ Q R
Fault
-
PGood Hysteresis Threshold PHASE POR VCC
+
Hiccup GATE
-
POR 4.0V DRIVE OVP SW LOGIC OTP VDRV En
+
Fault 1.2V
-
LDrVin LDrv PWM PWM COMP SOFT SS SS/Latch + ADAPTIVE START SET - ON-TIME ZC - + PGND GENERATOR Zero Cross PGND DETECTION SW FB GATEL Floor
+
RAMP OCP OVP GENERATOR Latch Off GENERATOR Hiccup
- +
VSENM
S Q
UVP VREF
R
TON/ SW MODE 20ms Delay ILIM Figure 2 Block diagram
Final Datasheet 5 of 50 V2.4 2020-1-16 Document Outline Revision History Trademarks Disclaimer
+ -
LDO VCC EN Fault AGND OVP BOOT
+ -
Hysteresis OVP Turn-on Delay Threshold PVin PGood
Q S
Prebias HDrVin HDrv
+ Q R
Fault
-
PGood Hysteresis Threshold PHASE POR VCC
+
Hiccup GATE
-
POR 4.0V DRIVE OVP SW LOGIC OTP VDRV En
+
Fault 1.2V
-
LDrVin LDrv PWM PWM COMP SOFT SS SS/Latch + ADAPTIVE START SET - ON-TIME ZC - + PGND GENERATOR Zero Cross PGND DETECTION SW FB GATEL Floor
+
RAMP OCP OVP GENERATOR Latch Off GENERATOR Hiccup
- +
VSENM
S Q
UVP VREF
R
TON/ SW MODE 20ms Delay ILIM Figure 2 Block diagram
Final Datasheet 5 of 50 V2.4 2020-1-16 Document Outline Revision History Trademarks Disclaimer