tb7102af TOSHIBA Semiconductor CORPORATION, tb7102af Datasheet - Page 5

• Manufacturer Part Number: tb7102af
• Description: Buck Dc-dc Converter Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
The test condition T
the chip’s junction temperature can be ignored during pulse testing.
Operating input voltage
Operating current
Standby current
EN threshold voltage
EN input current
V FB input voltage
V FB input current
High-side switch on-state resistance
Low-side switch on-state resistance
High-side switch leakage current
Low-side switch leakage current
Oscillation frequency
Soft-start time
Thermal
shutdown (TSD)
Undervoltage
lockout (UVLO)
L X current limit
Note on Electrical Characteristics
Characteristics
j
Detection
temperature
Hysteresis
Detection votage
Recovery voltage
Hysteresis
= 25°C means a state where any drifts in electrical characteristics incurred by an increase in
(unless otherwise specified: T
R
R
R
R
I
I
DS (ON) (H) 1
DS (ON) (H) 2
DS (ON) (L) 1
DS (ON) (L) 2
IN (STBY) 1
IN (STBY) 2
V
V
V
V
V
I
I
I
I
LEAK (H)
Symbol
IH (EN) 1
IH (EN) 2
LEAK (L)
IN (OPR)
IH (EN) 1
IH (EN) 2
IL (EN) 1
IL (EN) 2
V
ΔV
ΔT
V
V
f
f
I
I
V
T
I
I
I
t
t
osc1
osc2
FB1
FB2
UVR
LIM
IN1
IN2
ss1
ss2
FB1
FB2
SD
UV
SD
UV
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V
= 2.7 V
= 5 V
= 2.7 V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 5 V, V
= 5 V, V
= 2.7 V, V
= 5 V, V
= 2.7 V, V
= 5 V
= 5 V
= V
= V
= V
= 5 V
5
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
Test Condition
EN
EN
EN
EN
EN
EN
EN
EN
EN
= 5 V, V
= 0 V, V
= 5 V
= 5 V, I
= 5 V
= 5 V, I
= 5 V, I
= 0 V, V
= 0 V, V
= 5 V
= 5 V, I
= 2.7 V, V
= 0 V, V
= 2.7 V
= 2.7 V, I
= 2.7 V
= 2.7 V, I
= 2.7 V, I
= 2.7 V
= 2.7 V, I
⎯
OUT
LX
LX
OUT
FB
FB
LX
LX
FB
= −0.5 A
= 0.5 A
j
OUT
LX
LX
OUT
= 0 V
= 5 V
= 5 V
= 0 V
FB
= 10 mA
= 0 A
= 25°C and V
= 0 V
= −0.5 A
= 0.5 A
= 2.7 V
= 10 mA
= 0 A
0.776
0.776
0.85
0.85
Min
2.7
1.5
1.5
7.6
4.1
1.3
2.2
2.3
1.3
⎯
⎯
⎯
⎯
⎯
⎯
−1
−1
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
1
IN
= 2.7 to 5.5 V)
Typ.
0.68
0.55
0.27
0.36
0.27
0.36
160
0.8
0.8
2.4
2.4
2.5
0.1
2.8
20
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
1
1
2
TB7102AF
2008-05-22
0.824
0.824
0.69
12.4
1.15
1.15
Max
5.5
0.9
0.5
0.5
6.7
2.6
2.7
−1
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
1
1
1
1
1
MHz
MHz
Unit
mA
mA
ms
ms
μA
μA
μA
μA
μA
μA
μA
μA
°C
°C
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
A