參數(shù)資料
型號(hào)： TCV7104FN
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO8
封裝： 3 X 3 MM, 0.65 MM PITCH, PLASTIC, SON-8
文件頁數(shù)： 11/16頁
文件大小： 272K
代理商： TCV7104FN
TCV7104FN
2010-03-23
4
Electrical Characteristics (Tj = 25°C, VIN1 = VIN2 = 2.7 to 5.5 V, unless otherwise specified)
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
Operating input voltage
VIN (OPR)
2.7
5.5
V
Operating current
IIN
VIN1 = VIN2 = VEN = VFB = 5 V
450
680
μA
Output voltage range
VOUT (OPR) VEN = VIN1 = VIN2
0.8
V
IIN (STBY) 1
VIN1 = VIN2 = 5 V, VEN = 0 V
VFB = 0.8 V
10
Standby current
IIN (STBY) 2
VIN1 = VIN2 = 3.3 V, VEN = 0 V
VFB = 0.8 V
10
μA
High-side switch leakage current
ILEAK (H)
VIN1 = VIN2 = 5 V, VEN = 0 V
VFB = 0.8 V, VLX = 0 V
10
μA
VIH (EN) 1
VIN1 = VIN2 = 5 V
1.5
VIH (EN) 2
VIN1 = VIN2 = 3.3 V
1.5
VIL (EN) 1
VIN1 = VIN2 = 5 V
0.5
EN threshold voltage
VIL (EN) 2
VIN1 = VIN2 = 3.3 V
0.5
V
IIH (EN) 1
VIN1 = VIN2 = 5 V, VEN = 5 V
6
13
EN input current
IIH (EN) 2
VIN1 = VIN2 = 3.3 V, VEN = 3.3 V
4
9
μA
VFB1
VIN = 5 V, VEN = 5 V
Tj = 0 to 85℃
0.792
0.8
0.808
VFB input voltage
VFB2
VIN = 3.3 V, VEN = 3.3 V
Tj = 0 to 85℃
0.792
0.8
0.808
V
VFB input current
IFB
VIN1 = VIN2 = 2.7 to 5.5 V
VFB = VIN2
1
1
μA
RDS (ON) (H) 1
VIN1 = VIN2 = 5 V, VEN = 5 V
ILX = 1 A
0.18
RDS (ON) (H) 2
VIN1 = VIN2 = 3.3 V, VEN = 3.3 V
ILX = 1 A
0.21
RDS (ON) (H) 3
VIN1 = VIN2 = 5 V , VEN = 5V
ILX = - 0.1 A , Tj=-40～85℃
0.25
High-side switch on-state resistance
RDS (ON) (H) 4
VIN1 = VIN2 = 3.3 V , VEN = 3.3V
ILX = - 0.1 A , Tj=-40～85℃
0.3
Ω
RDS (ON) (L) 1
VIN1 = VIN2 = 5 V, VEN = 5 V
ILX = 1 A
0.12
RDS (ON) (L) 2
VIN1 = VIN2 = 3.3 V, VEN = 3.3 V
ILX = 1 A
0.14
RDS (ON) (L) 3
VIN1 = VIN2 = 5 V , VEN = 5V
ILX = 0.1 A , Tj=-40 to 85℃
0.18
Low-side switch on-state resistance
RDS (ON) (L) 4
VIN1 = VIN2 = 3.3 V , VEN = 3.3V
ILX = 0.1 A , Tj=-40 to 85℃
0.2
Ω
Oscillation frequency
fOSC
VIN1 = VIN2 = VEN = 5 V
1200
1500
1800
kHz
Internal soft-start time
tSS
VIN1 = VIN2 = 5 V, IOUT = 0 A,
Measured between 0% and 90% points
at VOUT.
0.5
1
1.5
ms
External soft-start charge current
ISS
VIN1 = VIN2 = 5 V, VEN = 5 V
5
8
13
μA
High-side switch duty cycle
Dmax
VIN1 = VIN2 = 2.7 to 5.5 V
100
%
Detection
temperature
TSD
VIN1 = VIN2 = 5 V
150
Thermal
shutdown (TSD)
Hysteresis
ΔTSD
VIN1 = VIN2 = 5 V
15
°C
Detection voltage
VUV
VEN = VIN1 = VIN2
2.3
2.45
2.6
Recovery voltage
VUVR
VEN = VIN1 = VIN2
2.4
2.55
2.7
Undervoltage
lockout (UVLO)
Hysteresis
ΔVUV
VEN = VIN1 = VIN2
0.1
V
LX current limit
ILIM
VIN1 = VIN2 = 5 V, VOUT = 2 V
2.3
3.2
A
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