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Overview
| Topology | Boost Converter |
| Input voltage | 2.5-5.5 V |
| Switching frequency | 650-1300 kHz |
| Output 1 | 20 V / 4 A |
| IC revision | B |
Description
The ADP1614 is a step-up, dc-to-dc switching converter with an integrated power switch capable of providing an output voltage as high as 20 V. The ADP1614 is available with a pin-adjustable current limit that is set via an external resistor. The boost switching frequency is fixed to either 650 kHz or 1.3 MHz. With a package height of 0.8 mm, the ADP1614 is optimal for space constrained applications, such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs).
The ADP1614 operates in current-mode pulse-width modulation (PWM) with up to 94% efficiency. Adjustable soft start prevents inrush currents when the part is enabled. The PWM current-mode architecture allows excellent transient response, easy noise filtering, and the use of small, cost-saving external inductors and capacitors. Other key features include undervoltage lockout (UVLO), thermal shutdown (TSD), and logic controlled enable.
The ADP1614 is available in a Pb-free, 10-lead lead frame chip scale package (LFCSP).
Features
Adjustable and fixed current-limit options-Adjustable up to 4 A
-Fixed 3 A
- 2.5 V to 5.5 V input voltage range
- 650 kHz or 1.3 MHz fixed frequency option
- Adjustable output voltage, up to 20 V
- Adjustable soft start
- Undervoltage lockout
- Thermal shutdown
- 3 mm × 3 mm, 10-lead LFCSP
- Supported by ADIsimPower design tool
Remarks:Inductors smaller than the 4.7 μH to 22 μH recommendedRefer page no.14
Typical applications
- TFT LCD bias supplies
- Industrial instrumentation equipment
- Portable applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | IRP,40K (A) | RDC max. (mΩ) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744071047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 4.7 | 4.8 | 4.3 | 35 | SMT | – | 22 | 8043 | SMT | – | – | – | – | ||
 | 7440650047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 4.7 | 4.6 | 4.2 | 40 | SMT | – | 23 | 1028 | SMT | – | – | – | – | ||
 | 7447713047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 4.7 | 4 | 6 | 42 | SMT | – | 31 | 1030 | Performance | – | – | – | – | ||
 | 7447714047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 4.7 | 7 | 8 | 34 | SMT | – | 12.4 | 1050 | Performance | – | – | – | – | ||
 | 7447797470 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 4.7 | 6.2 | 8 | 45 | SMT | – | 19.5 | 1045 | SMT | – | – | – | – | ||
 | 7447798470 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 4.7 | 9.5 | 7.6 | 44 | SMT | – | 8.4 | 1064 | SMT | – | – | – | – | ||
 | 744776047 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 4.7 | 5 | 6 | 41 | SMT | – | 17 | 1054 | – | – | – | – | NiZn | ||
 | 744314490 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 4.9 | – | – | 56 | SMT | 8.3 | 15.95 | 7050 | SMT | 2.2 | 6.5 | 14.5 | Superflux | ||
 | 744066005 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 5 | 5.3 | 5.5 | 30 | SMT | – | 22 | 1038 | SMT | – | – | – | – | ||
| 744314650 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 6.5 | – | – | 50 | SMT | 6.6 | 23.65 | 7050 | SMT | 2 | 6 | 21.5 | Superflux | ||
| 744314760 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 7.6 | – | – | 48 | SMT | 5.5 | 33.22 | 7050 | SMT | 2.2 | 4.8 | 28.2 | Superflux | ||
| 7447797820 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 8.2 | 5.05 | 5.8 | 28 | SMT | – | 28.6 | 1045 | SMT | – | – | – | – | ||
| 744314850 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 8.5 | – | – | 44 | SMT | 5.3 | 35.75 | 7050 | SMT | 2 | 4.5 | 30.5 | Superflux | ||
| 744071100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 3.4 | 2.8 | 24 | SMT | – | 35 | 8043 | SMT | – | – | – | – | ||
| 744065100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 3 | 2.5 | 25 | SMT | – | 53 | 1028 | SMT | – | – | – | – | ||
| 744066100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 10 | 3.9 | 4 | 20 | SMT | – | 35 | 1038 | SMT | – | – | – | – | ||
| 7447714100 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 10 | 4.3 | 5 | 20.5 | SMT | – | 27 | 1050 | Performance | – | – | – | – | ||
| 74477510 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 10 | 2.3 | 2.95 | 28 | SMT | – | 70 | 7850 | – | – | – | – | – | ||
| 74477610 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 10 | 2.98 | 3.24 | 24 | SMT | – | 60 | 1054 | – | – | – | – | NiZn | ||
| 744314101 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 10 | – | – | 40 | SMT | 5.3 | 36.3 | 7050 | SMT | 1.8 | 4 | 33 | Superflux | ||
| 7447798111 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 11 | 6.9 | 5.3 | 25 | SMT | – | 15.8 | 1064 | SMT | – | – | – | – | ||
| 744071150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 15 | 2.8 | 2.3 | 20 | SMT | – | 55 | 8043 | SMT | – | – | – | – | ||
| 744066150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TPC SMT Tiny Power Inductor | 15 | 3 | 3.25 | 16 | SMT | – | 50 | 1038 | SMT | – | – | – | – | ||
| 7447714150 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD SMT Power Inductor | 15 | 3.5 | 4.1 | 16.8 | SMT | – | 43 | 1050 | Performance | – | – | – | – | ||
| 7447798151 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 15 | 5.45 | 4 | 19 | SMT | – | 25.8 | 1064 | SMT | – | – | – | – | ||
| 744775115 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 15 | 1.93 | 2.23 | 20 | SMT | – | 90 | 7850 | – | – | – | – | – | ||
| 744776115 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PD2 SMT Power Inductor | 15 | 2.47 | 2.88 | 20 | SMT | – | 80 | 1054 | – | – | – | – | NiZn | ||
| 7447798221 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-PDF SMT Power Inductor | 22 | 4.7 | 3.5 | 17 | SMT | – | 37.3 | 1064 | SMT | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744071047 | SPEC | |
| 7440650047 | SPEC | |
| 7447713047 | SPEC | |
| 7447714047 | SPEC | |
| 7447797470 | SPEC | |
| 7447798470 | SPEC | |
| 744776047 | SPEC | |
| 744314490 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 744066005 | SPEC | |
| 744314650 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 744314760 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 7447797820 | SPEC | |
| 744314850 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 744071100 | SPEC | |
| 744065100 | SPEC | |
| 744066100 | SPEC | |
| 7447714100 | SPEC | |
| 74477510 | SPEC | |
| 74477610 | SPEC | |
| 744314101 | SPEC PCN pendingDue to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff. | |
| 7447798111 | SPEC | |
| 744071150 | SPEC | |
| 744066150 | SPEC | |
| 7447714150 | SPEC | |
| 7447798151 | SPEC | |
| 744775115 | SPEC | |
| 744776115 | SPEC | |
| 7447798221 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IR (A) | ISAT (A) | fres (MHz) | Mount | IRP,40K (A) | RDC max. (mΩ) | Size | Version | ISAT,10% (A) | ISAT,30% (A) | RDC (mΩ) | Material | Samples |
|---|