tb7101f TOSHIBA Semiconductor CORPORATION, tb7101f Datasheet - Page 9

• Manufacturer Part Number: tb7101f
• Description: Step-down Dc-dc Converter Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics (unless otherwise specified: Tj = 25GC and V
Protection function (reference data)
Overheat
protection
DTB7101F(T5L3.3,F)
DTB7101F(T5L3.3,F)
Operating supply voltage
Operating current
Standby current
Enable pin threshold voltage
Enable pin input current
Output voltage
Line regulation
Load regulation
High-side on-state resistance
Low-side on-state resistance
High-side leakage current
Low-side leakage current
Oscillation frequency
Soft start time
Undervoltage
protection
Characteristics
Detection
Hysteresis
Detection
Hysteresis
R
V
V
LOAD REG
R
V
V
LINE REG
ûT
V
I
I
I
V
V
I
I
IN(STBY)
IH(EN)(1)
IH(EN)(2)
Symbol
DS(ON)(H)
T
DS(ON)(L)
LEAK(H)
f
f
IH(EN)(1)
IH(EN)(2)
LEAK(L)
IL(EN)(1)
IL(EN)(2)
IN(OPR)
OSC(1)
OSC(2)
ûV
tss
tss
I
I
OUT(1)
OUT(2)
SD
V
IN(1)
IN(2)
SD
UV
UV
(1)
(2)
circuit
Test
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
I
V
I
V
I
V
I
V
V
V
V
V
V
V
V
OUT
OUT
OUT
OUT
IN
IN
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 5V, V
= 4.3V, V
= 5V, V
= 5V
= 4.3V
= 5V
=4.3V
= 5V, V
= 2.7V, V
= 5V, V
=4.3V, V
= V
=5V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 5V, V
= 4.3V, V
=5V , V
=4.3V , V
=100mA
=100mA
=100mA
= 100mA*500mA
=4.3V
EN
9
Test condition
= 4.3V*5.5V
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
TB7101F(T5L1.2,F) , TB7101F(T5L1.5,F)
TB7101F(T5L1.8,F) , TB7101F(T5L2.5,F)
TB7101F(T5L3.3,F)
= 5V, V
= 0V,V
= 5V
= 5V
= 5V, I
= 5V, I
= 0V, V
= 0V, V
= 5V
=5V, (no load)
-
= 4.3V,
-
= 4.3V,
= 2.7V
= 4.3V
=4.3V, (no load)
-
-
-
LX
LX
OUT
OUT
LX
LX
= 0.5A
= 0.5A
= 0V
= 5V
= 0V
= 5V
1.164
1.164
3.01
6.54
0.85
0.85
Min
4.3
3.5
7.6
1.2
2.2
-
-
1
-
-
-
-
-
-
-
-
-
-
-
-
IN
= 4.3 to 5.5 V)
160
0.68
0.27
0.27
Typ.
20
1.2
1.2
2.4
2.5
0.1
1
1
2
-
-
-
-
-
-
-
-
-
-
-
-
-
0.775
10.66
1.236
1.236
2007-09-06
1.29
12.4
1.15
1.15
Max
5.5
0.9
1.5
2.7
40
40
1
1
1
-
-
-
-
-
-
-
-
-
MHz
MHz
Unit
mA
mA
mV
mV
ms
ms
A
A
A
A
A
o
o
V
V
V
V
V
V
V
V
V
C
C