參數(shù)資料
型號(hào): TPS65124RGT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 0.2 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PQCC16
封裝: 3 X 3 MM, 0.90 MM HEIGHT, PLASTIC, QFN-16
文件頁數(shù): 26/30頁
文件大?。?/td> 1047K
代理商: TPS65124RGT
www.ti.com
TPS65120, TPS65121, TPS65123, TPS65124
SLVS531A – JUNE 2004 – REVISED MARCH 2005
ELECTRICAL CHARACTERISTICS (continued)
V
IN = 3.6 V, EN = RUN = VIN, L = 10 H, TA = -40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
LINEAR REGULATOR STAGE - AUXILIARY OUTPUT
VLDOIN
Input voltage range
2.5
5.8
V
VLDOIN
VLDOOUT
Output voltage range
1.8
V
-0.5
ILDOOUT
Maximum output current
20
mA
ISC_LDO
Short-circuit current limit
VLDOOUT = 0 V
50
mA
Minimum dropout voltage
ILDOOUT = 10 mA
400
mV
2.5 V
≤ V
LDOIN ≤ 5.5 V,
Total accuracy
±3%
0 mA
≤ I
LDOOUT≤ 20 mA
Load regulation
ILDOOUT = 0 to 20 mA
0.006
%/mA
VLDOIN = VLDOOUT + 0.5 V (min 2.5 V)
Line regulation
0.013
%/V
to 5.5 V, ILDOOUT = 20 mA
VLDOIN = VLDOOUT + 0.4 V (min 2.5 V),
IQ_LDO
Linear regulator quiescent current
11
20
A
TA = 25°C
ISD_LDO
Linear regulator shutdown current
GATE = VIN
0.2
1
A
GATE DRIVER
Gate output pull-down resistance
VGATE < 500 mV
100
k
Gate output pull-up resistance
100
k
VIH
High level input voltage
1.4
V
VIL
Low level input voltage
0.4
V
UNDERVOLTAGE LOCKOUT
VUVLO
Undervoltage lockout threshold
VIN falling
2.15
2.3
V
LOGIC SIGNALS EN, RUN, ENVGL, ENVGH
VIH
High level input voltage
1.4
V
VIL
Low level input voltage
0.4
V
ENVGL, ENVGH = VIN or GND (TPS65124)
0.01
0.1
ILKG
Logic input leakage current
A
EN, RUN = VIN
0.01
0.1
EN, RUN pin pull-down resistance
EN, RUN
≤ 0.4 v
100
k
5
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