SLTS278J November 2010 – March 2020 PTH08T250W
PRODUCTION DATA.
デバイスごとのパッケージ図は、PDF版データシートをご参照ください。
PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |||
---|---|---|---|---|---|---|---|---|
IO | Output current | Over VO range | 25°C, natural convection | 0 | 48 | A | ||
60°C, 200 LFM | 0 | 50 | ||||||
VI | Input voltage range | Over IO range | 0.7 ≤ VO < 1.2 | 4.5 | 14 (2) | V | ||
1.2 ≤ VO ≤ 3.6 | 4.5 | 14 | ||||||
VOADJ | Output voltage adjust range | Over IO range | 0.7 | 3.6 | V | |||
VO | Set-point voltage tolerance | ±0.5 | ±1 (1) | %Vo | ||||
Temperature variation | –40°C < TA < 85°C | ±0.3 | %Vo | |||||
Line regulaltion | Over VI range | ±5 | mV | |||||
Load regulation | Over IO range | ±5 | mV | |||||
Total output variation | Includes set-point, line, load, –40°C ≤ TA ≤ 85°C | ±1.5 (1) | %Vo | |||||
η | Efficiency | IO = 30 A | RSET = 1.62 kΩ, VO = 3.3 V | 94% | ||||
RSET = 5.23 kΩ, VO = 2.5 V | 93% | |||||||
RSET = 12.7 kΩ, VO = 1.8 V | 91% | |||||||
RSET = 19.6 kΩ, VO = 1.5 V | 90% | |||||||
RSET = 35.7 kΩ, VO = 1.2 V | 88% | |||||||
RSET = 63.4 kΩ, VO = 1.0 V | 86% | |||||||
RSET = open, VO = 0.7 V | 83% | |||||||
VO Ripple (peak-to-peak) | 20-MHz bandwidth | 10 (2) | mVPP | |||||
ILIM | Overcurrent threshold | Reset, followed by auto-recovery | 85 | A | ||||
ttr | Transient response | 2.5 A/µs load step
50 to 100% IOmax |
w/o TurboTrans
CO = 660 μF, Type C |
Recovery time | 100 | µs | ||
ΔVtr | VO over/undershoot | 160 | mV | |||||
ttrTT | w/ TurboTrans
CO = 3300 μF, Type C RTT = short |
Recovery time | 100 | µs | ||||
ΔVtrTT | VO over/undershoot | 45 | mV | |||||
IIL | Track input current (pin 20) | Pin to GND | –130(3) | µA | ||||
dVtrack/dt | Track slew rate capability | CO ≤ CO (max) | 1 | V/ms | ||||
UVLOADJ | Adjustable Under-voltage lockout (pin 21) | VI increasing, RUVLO = OPEN | 4.3 | 4.45 | V | |||
VI decreasing, RUVLO = OPEN | 4.0 | 4.2 | ||||||
Hysteresis, RUVLO ≤ 127 kΩ | 1.0 | |||||||
Inhibit control (pin 21) | Input high voltage (VIH) | Open(4) | V | |||||
Input low voltage (VIL) | -0.2 | 0.6 | ||||||
Input low current (IIL ), Pin 21 to GND | -125 | µA | ||||||
Iin | Input standby current | Inhibit (pin 21) to GND, Track (pin 20) open | 35 | mA | ||||
fs | Switching frequency | Over VI and IO ranges, SmartSync (pin 22) to GND | 600 (5) | kHz | ||||
fSYNC | Synchronization (SYNC)
control (pin 22) |
Synchronization frequency applied to pin 22 | 240 (5) | 400 (5) | kHz | |||
VSYNCH | SYNC High-Level Input Voltage | 2.0 | 5.5 | V | ||||
VSYNCL | SYNC Low-Level Input Voltage | 0.8 | V | |||||
tSYNC | SYNC Minimum Pulse Width | 200 | nSec | |||||
CI | External input capacitance | Nonceramic | 1000 (6) | µF | ||||
Ceramic | 22 | |||||||
CO | External output capacitance | without TurboTrans | Capacitance Value | Non-ceramic | 660 (7) | 8000 (8) | µF | |
Ceramic | 1000(10) | |||||||
Equivalent series resistance (non-ceramic) | 3 | mΩ | ||||||
with TurboTrans | Capacitance Value | Non-ceramic | 660 (7)(9) | µF | ||||
Ceramic | 1000(10) | |||||||
Capacitance × ESR product (CO × ESR) | 1000 | 10000 (9) | µF×mΩ | |||||
MTBF | Reliability | Per Telcordia SR-332, 50% stress,
TA = 40°C, ground benign |
2.79 | 106 Hr |