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參數(shù)資料
| 型號： | TPS5300DAPRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3.3 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO32 |
| 封裝： | GREEN, PLASTIC, HTSSOP-32 |
| 文件頁數(shù)： | 19/23頁 |
| 文件大?。?/td> | 476K |
| 代理商： | TPS5300DAPRG4 |
TPS5300
SLVS334A DECEMBER 2000 REVISED SEPTEMBER 2001
5
www.ti.com
recommended operating conditions, 0 < TJ < 125°C (unless otherwise noted)
MIN
NOM
MAX
UNIT
Supply voltage, Vbatt
3
12.5
28
V
Linear regulator supply voltage, VI(IO+CLK)
3
3.3
6
V
Supply voltage range, VCC, VBIAS
4.5
5
6
V
dc and ac electrical characteristics over recommended operating free-air temperature range,
0 < TJ < 125°C, VIN = 3 V 28 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference/Voltage Identification
VIH(VID)
High-level input voltage, D0D4
Current source pullup to VCC
2.25
V
VIL(VID)
Low-level input voltage, D0D4
1
V
Cumulative Reference (see Note 1)
V(CUM_ACCRR)
Initial accuracy ripple regulator
0.925 V
≤ Vref(core) ≤ 2 V,
Hysteresis window = 30 mV (see Note 2)
1.5%
V(CUM_ACCRR)
Initial accuracy ripple regulator
0.925 V
≤ Vref(core) ≤ 2 V, TJ = 25°C
Hysteresis window = 30 mV
1%
Buffered Reference
VO(VREFB)
Output voltage, VREFB
I(VREFB) = 50 A (see Note 2)
2.5%
Hysteretic Comparator (core)
tPHL(HC)
Propagation delay time from (AC)
VSENSE_CORE to TG or BG
(excluding deadtime)
20-mV overdrive, pulse
0.925 V
≤ Vref ≤ 2 V (see Note 2)
220
250
ns
tPHL(HC_ramp)
Ramp circuit from 0 into 26 mV ramp
(see Note 2)
220
ns
Overcurrent Protection (core)
V(OCP)
Trip point, OCP
Normal operation
235
300
365
mV
V(OCP)
Trip point, OCP
During dynamic VID change
400
mV
Overvoltage Protection (core, IO, CLK)
V(OVP)
Trip point, OVP
Upper threshold
111
115
119
%Vref
Undervoltage Protection (IO, CLK)
V(UVP)
Trip point, UVP
Lower threshold
75
%Vref
Bias UVLO (Resets fault latch)
VIT(start_UVLO)
Start threshold
4.46
V
VIT(stop_UVLO)
Stop threshold
3.3
V
Vhys
Hysteresis
500
mV
VBIAS quiescent current, I(ving1)
VR_ON connected to GND and VI above
UVLO start threshold
20
A
VR_ON UVLO (Resets fault latch)
VIT(start_VR_ON) Start threshold
2.5
V
VIT(stop_VR_ON) Stop threshold
1.3
V
Vhys
Hysteresis
475
mV
NOTES:
1. Cumulative reference accuracy is the combined accuracy of the reference voltage and the input offset voltage of the hysteretic
comparator. Cumulative accuracy equals to the average of the low-level and high-level thresholds of the hysteretic comparator.
2. Ensured by design, not production tested.
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