參數(shù)資料
型號： BQ24003RGWTR
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封裝： 5 X 5 MM, PLASTIC, QFN-20
文件頁數(shù)： 23/31頁
文件大?。?/td> 1000K
代理商： BQ24003RGWTR
bq24001
bq24002
bq24003
SLUS462E SEPTEMBER 2000 REVISED NOVEMBER 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS
over recommended operating junction temperature supply and input voltages, and VI (VCC) ≥ VI (IN) ( unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC current
VCC > VCC_UVLO,
EN
≤ VIH(EN)
1
mA
VCC current, standby mode
EN
≤ VIL(EN)
1
A
IN current, standby mode
EN
≤ VIL(EN)
10
A
Standby current (sum of currents into OUT
and VSENSE pins)
VCC < VCC_UVLO,
VOUT = 4.3 V, VSENSE = 4.3V
2
4
A
Standby current (sum of currents into OUT
and VSENSE pins)
EN <= VilEN,
VOUT = 4.3 V, VSENSE = 4.3 V
2
4
A
VOLTAGE REGULATION, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output voltage
VSEL = VSS,
0 < IO ≤ 1.2 A
4.059
4.10
4.141
V
Output voltage
VSEL = VCC,
0 < IO ≤ 1.2 A
4.158
4.20
4.242
V
Load regulation
1 mA
≤ IO ≤ 1.2 A,
VCC =5 V,
VI(IN)= 5 V,
TJ = 25°C
1
mV
Line regulation
VOUT+VDO+Vilim(MAX) < VI(VCC) < 10 V,
TJ = 25°C
0.01
%/V
Dropout voltage = VI(IN)-Vout
IO = 1.0 A,
4.9 V <VI(Vcc)< 10 V
0.7
V
Dropout voltage = VI(IN)-Vout
IO = 1.2 A, VOUT+VDO+VilimMAX <VI(VCC)< 10 V
0.8
V
CURRENT REGULATION, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Current regulation threshold, VI(limit)
VSENSE < VO(VSEL-LOW/HIGH)
0.095
0.1
0.105
V
Delay time
VSENSE pulsed above VVLOWV to IO = 10% of
regulated value(1)
1
ms
Rise time
IO increasing from 10% to 90% of regulated value.
RSNS≥ 0.2 , (1)
0.1
1
ms
(1) Specified by design, not production tested.
CURRENT SENSE RESISTOR, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
External current sense resistor range (RSNS) 100 mA ≤ Ilim ≤ 1.2 A
0.083
1
PRECHARGE CURRENT REGULATION, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Precharge current regulation
VSENSE<VLOWV, 0.083 ≤ RSNS ≤ 1.0
40
60
80
mA
VCC UVLO COMPARATOR, 0°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Start threshold
4.35
4.43
4.50
V
Stop threshold
4.25
4.33
4.40
V
Hysteresis
50
mV
APG/THERM COMPARATOR, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Upper trip threshold
1.480
1.498
1.515
V
Lower trip threshold
0.545
0.558
0.570
V
Input bias current
1
A
LOWV COMPARATOR, 0
°C ≤ TJ ≤ 125°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Start threshold
2.80
2.90
3.00
V
Stop threshold
3.00
3.10
3.20
V
Hysteresis
100
mV
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