參數(shù)資料
型號： T5L2.5
廠商： Toshiba Corporation
元件分類： DC/DC變換器
英文描述： Step-down DC-DC Converter IC
中文描述： 降壓型DC - DC轉換器集成電路
文件頁數(shù)： 9/17頁
文件大?。?/td> 300K
代理商： T5L2.5
TB7101F(T5L1.2,F) , TB7101F(T5L1.5,F)
TB7101F(T5L1.8,F) , TB7101F(T5L2.5,F)
TB7101F(T5L3.3,F)
Electrical Characteristics (unless otherwise specified: Tj = 25
°
C and V
IN
= 4.3 to 5.5 V)
2007-09-06
9
●
TB7101F(T5L3.3,F)
Characteristics
Symbol
Test
circuit
Test condition
Min
Typ.
Max
Unit
Operating supply voltage
V
IN(OPR)
-
-
4.3
-
5.5
V
I
IN(1)
-
V
IN
= 5V, V
EN
= 5V, V
OUT
= 5V
V
IN
= 4.3V, V
EN
= 4.3V,
V
OUT
=4.3V
V
IN
= 5V, V
EN
= 0V,V
OUT
= 0V
-
0.68
0.9
mA
Operating current
I
IN(2)
-
-
-
0.775
mA
Standby current
I
IN(STBY)
-
-
-
1
μ
A
V
IH(EN)(1)
-
V
IN
= 5V
3.5
-
-
V
V
IH(EN)(2)
-
V
IN
= 4.3V
3.01
-
-
V
V
IL(EN)(1)
-
V
IN
= 5V
-
-
1.5
V
Enable pin threshold voltage
V
IL(EN)(2)
-
V
IN
=4.3V
-
-
1.29
V
I
IH(EN)(1)
-
V
IN
= 5V, V
EN
= 5V
7.6
-
12.4
μ
A
Enable pin input current
I
IH(EN)(2)
-
V
IN
= 2.7V, V
EN
= 2.7V
V
IN
= 5V, V
EN
= 5V
I
OUT
=100mA
V
IN
=4.3V, V
EN
= 4.3V,
I
OUT
=100mA
V
IN
= V
EN
= 4.3V
～
5.5V
I
OUT
=100mA
V
IN
=5V
I
OUT
= 100mA
～
500mA
V
IN
= 5V, V
EN
= 5V, I
LX
= 0.5A
6.54
-
10.66
μ
A
V
OUT(1)
-
1.164
1.2
1.236
V
Output voltage
V
OUT(2)
-
1.164
1.2
1.236
V
Line regulation
LINE REG
-
-
-
40
mV
Load regulation
LOAD REG
-
-
-
40
mV
High-side on-state resistance
R
DS(ON)(H)
-
-
0.27
-
Low-side on-state resistance
R
DS(ON)(L)
-
V
IN
= 5V, V
EN
= 5V, I
LX
= 0.5A
-
0.27
-
High-side leakage current
I
LEAK(H)
-
V
IN
= 5V, V
EN
= 0V, V
LX
= 0V
-
-
1
μ
A
Low-side leakage current
I
LEAK(L)
-
V
IN
= 5V, V
EN
= 0V, V
LX
= 5V
-
-
1
μ
A
f
OSC(1)
-
V
IN
= 5V, V
EN
= 5V
0.85
1
1.15
MHz
Oscillation frequency
f
OSC(2)
-
V
IN
= 4.3V, V
EN
= 4.3V
0.85
1
1.15
MHz
tss
(1)
-
V
IN
=5V , V
EN
=5V, (no load)
1
2
-
ms
Soft start time
tss
(2)
-
V
IN
=4.3V , V
EN
=4.3V, (no load)
1.2
2.4
-
ms
Detection
V
UV
-
-
2.2
2.5
2.7
V
Undervoltage
protection
Hysteresis
Δ
V
UV
-
-
-
0.1
-
V
Protection function (reference data)
●
TB7101F(T5L3.3,F)
Detection
Hysteresis
T
SD
Δ
T
SD
-
-
-
160
-
o
C
Overheat
protection
-
-
20
-
o
C
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