IC-driven DC-DC power supply circuit
Example of power supply circuit using discrete solution and control IC
Lineup
TVS diode
[Note 1] IEC61000-4-2 (contact)
[Note 2] IEC61000-4-5
U-MOS Series MOSFET
Part number |
TPN8R408QM | TPN12008QM | TPH7R204PL | TK90S06N1L | TK5R1P08QM | TK6R9P08QM | ||
|---|---|---|---|---|---|---|---|---|
Package |
SOP Advance | DPAK+ | DPAK | |||||
VDSS [V] |
40 |
80 | 80 | 40 | 60 | 80 | 80 |
|
IO [A] |
38 (68*) |
32 (77*) | 26 (60*) | 48 (72*) | 90 | 84 (105*) | 62 (83*) |
|
| RDS(ON) [mΩ] @VGS = 10 V |
Typ. |
5.6 |
6.5 | 9.6 | 5.4 | 2.7 | 4.2 | 5.5 |
Max |
7.5 |
8.4 | 12.3 | 7.2 | 3.3 | 5.1 | 6.9 |
|
| Polarity | N-ch | N-ch | N-ch | N-ch | N-ch | N-ch | N-ch | |
| Generation | U-MOSⅨ-H | U-MOSⅩ-H | U-MOSⅩ-H | U-MOSⅨ-H | U-MOSⅧ-H | U-MOSⅩ-H | U-MOSⅩ-H | |
*Silicon limit
Load switch IC
Small surface mount LDO regulator
| Part number | TCR15AG Series |
TCR13AG Series |
TCR8BM Series |
TCR5BM Series |
TCR5RG Series |
TCR3RM Series |
TCR3U Series |
TCR2L Series |
TAR5 Series |
|---|---|---|---|---|---|---|---|---|---|
| Features | Low dropout voltage High PSRR |
High PSRR Low noise Low current consumption |
Low current consumption |
15V Input Bipolar type |
|||||
| IOUT (Max) [A] | 1.5 | 1.3 | 0.8 | 0.5 | 0.3 | 0.2 | |||
PSRR (Typ.) [dB] @f=1 kHz |
95 | 90 | 98 | 98 | 100 | 100 | 70 | - | 70 |
| IB(Typ.) [μA] | 25 | 56 | 20 | 19 | 7 | 7 | 0.34 | 1 | 170 |
Electronic fuse (eFuse IC)
| Part number | TCKE712BNL | |||
|---|---|---|---|---|
| Package |
3.0 x 3.0 x 0.75 mm |
3.0 x 3.0 x 0.75 mm |
||
| VIN [V] | 4.4 to 18 | 4.4 to 13.2 | ||
| RON (Typ.) [mΩ] | 28 | 53 | ||
| Return function | NA: Automatic return NL: Latch type (external signal control) |
Latch type (external signal control) | ||
VOVC (Typ.) [V] |
- | 6.04 | 15.1 | Adjustable |
N-ch MOSFET gate driver IC
| Part number | VIN_OVLO Min / Max [V] |
VGS Typ. / Max [V] |
N-ch MOSFET type can be driven |
Package |
|---|---|---|---|---|
| TCK401G | Over 28 | Max 10 (VIN ≥ 12 V) |
Single high side Common Source |
WCSP6E |
| TCK402G | ||||
| TCK420G | 26.50 / 28.50 | 10 / 11 (VIN ≥ 5 V) |
Single high side Common Drain |
WCSP6G |
| TCK421G | 22.34 / 24.05 | |||
| TCK422G | 13.61 / 14.91 | |||
| TCK423G | 13.61 / 14.91 | 5.6 / 6.3 | ||
| TCK424G | 10.35 / 11.47 | |||
| TCK425G | 5.76 / 6.87 |
A new window will open