參數(shù)資料
型號： TB7102AF(TE85L,F)
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1150 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 3 X 3 MM, 0.65 MM PITCH, PLASTIC, SON-8
文件頁數(shù)： 13/17頁
文件大?。?/td> 249K
代理商： TB7102AF(TE85L,F)
TB7102AF
2008-05-22
5
Electrical Characteristics (unless otherwise specified: Tj = 25°C and VIN = 2.7 to 5.5 V)
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
Operating input voltage
VIN (OPR)
2.7
5.5
V
IIN1
VIN = 5 V, VEN = 5 V, VFB = 5 V
0.68
0.9
mA
Operating current
IIN2
VIN = 2.7 V, VEN = 2.7 V, VFB = 2.7 V
0.55
0.69
mA
IIN (STBY) 1
VIN = 5 V, VEN = 0 V, VFB = 0 V
1
μA
Standby current
IIN (STBY) 2
VIN = 2.7 V, VEN = 0 V, VFB = 0 V
1
μA
VIH (EN) 1
VIN = 5 V
1.5
V
VIH (EN) 2
VIN = 2.7 V
1.5
V
VIL (EN) 1
VIN = 5 V
0.5
V
EN threshold voltage
VIL (EN) 2
VIN = 2.7 V
0.5
V
IIH (EN) 1
VIN = 5 V, VEN = 5 V
7.6
12.4
μA
EN input current
IIH (EN) 2
VIN = 2.7 V, VEN = 2.7 V
4.1
6.7
μA
VFB1
VIN = 5 V, VEN = 5 V, IOUT = 10 mA
0.776
0.8
0.824
V
VFB input voltage
VFB2
VIN = 2.7 V, VEN = 2.7 V, IOUT = 10 mA 0.776
0.8
0.824
V
IFB1
VIN = 5 V, VEN = 5 V
1
1
μA
VFB input current
IFB2
VIN = 2.7 V, VEN = 2.7 V
1
1
μA
RDS (ON) (H) 1 VIN = 5 V, VEN = 5 V, ILX = 0.5 A
0.27
Ω
High-side switch on-state resistance
RDS (ON) (H) 2 VIN = 2.7 V, VEN = 2.7 V, ILX = 0.5 A
0.36
Ω
RDS (ON) (L) 1 VIN = 5 V, VEN = 5 V, ILX = 0.5 A
0.27
Ω
Low-side switch on-state resistance
RDS (ON) (L) 2 VIN = 2.7 V, VEN = 2.7 V, ILX = 0.5 A
0.36
Ω
High-side switch leakage current
ILEAK (H)
VIN = 5 V, VEN = 0 V, VLX = 0 V
1
μA
Low-side switch leakage current
ILEAK (L)
VIN = 5 V, VEN = 0 V, VLX = 5 V
1
μA
fosc1
VIN = 5 V, VEN = 5 V
0.85
1
1.15
MHz
Oscillation frequency
fosc2
VIN = 2.7 V, VEN = 2.7 V
0.85
1
1.15
MHz
tss1
VIN = 5 V, VEN = 5 V, IOUT = 0 A
1
2
ms
Soft-start time
tss2
VIN = 2.7 V, VEN = 2.7 V, IOUT = 0 A
1.3
2.4
ms
Detection
temperature
TSD
VIN = 5 V
160
°C
Thermal
shutdown (TSD)
Hysteresis
ΔTSD
VIN = 5 V
20
°C
Detection votage
VUV
VIN = VEN
2.2
2.4
2.6
V
Recovery voltage
VUVR
VIN = VEN
2.3
2.5
2.7
V
Undervoltage
lockout (UVLO)
Hysteresis
ΔVUV
VIN = VEN
0.1
V
LX current limit
ILIM
VIN = 5 V
1.3
2.8
A
Note on Electrical Characteristics
The test condition Tj = 25°C means a state where any drifts in electrical characteristics incurred by an increase in
the chip’s junction temperature can be ignored during pulse testing.
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