tb7107fn TOSHIBA Semiconductor CORPORATION, tb7107fn Datasheet - Page 4

• Manufacturer Part Number: tb7107fn
• Description: Buck Dc-dc Converter Ic
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Electrical Characteristics
Note on Electrical Characteristics
in the chip’s junction temperature can be ignored during pulse testing.
The test condition T
Operating input voltage
Operating current
Output voltage range
Standby current
High-side switch leakage current
EN threshold voltage
EN input current
V
V
Phase compensation input current
High-side switch on-state resistance
Low-side switch on-state resistance
Oscillation frequency
Internal soft-start time
External soft-start charge current
High-side switch duty cycle
Thermal shutdown
(TSD)
Undervoltage
lockout (UVLO)
L
X
FB
FB
current limit
input voltage
input current
Characteristics
j
Detection
temperature
Hysteresis
Detection
voltage
Recovery
voltage
Hysteresis
= 25°C means a state where any drifts in electrical characteristics incurred by an increase
(Tj = 25°C, V
V
R DS(ON)(H)
R DS(ON)(L)
V
I
I
I
I
OUT(OPR)
IN(STBY)
COMP(H)
Symbol
V
COMP(L)
LEAK(H)
V
I
I
IN(OPR)
Dmax
ΔT
V
ΔV
IH(EN)
IL(EN)
f
IH(EN)
IL(EN)
V
T
V
OSC
I
I
t
I
I
UVR
LIM
FB
SS
SS
IN
SD
UV
FB
SD
UV
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
I
V
I
V
V
Measured between 0% and
90%points at V
V
V
V
V
V
V
V
V
V
LX
LX
IN
IN
EN
IN
FB
IN
FB
IN
IN
IN
IN
IN
IN
FB
IN
FB
IN
FB
IN
IN
IN
IN
IN
IN
IN
IN
EN
EN
EN
IN
OUT
= - 1A
= 100m A
= 12V ,V
= 12 V , V
= 12 V, V
= 12 V
= 12V
= 12V, V
= 12V, V
= 12 V , V
= 12 V , V
= 12 V , V
= 12 V , V
= 12V , V
= 12 V , V
= 12V , V
= 12 V , V
= 12 V , V
= 12 V , V
= 12 V , V
= 12 V , V
= 4.5V to 20 V , V
= 0.8 V
= 0.8 V , V
= 2V
= 0.7V , V
= 0.9V , V
= V
= V
= V
= V
= 4.5 to 20 V, unless otherwise specified)
= 2 V
IN
IN
IN
IN
4
Test Condition
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
EN
COMP
COMP
LX
OUT
⎯
= 5V ,V
= 5 V
= 0 V
= 5V
= 0 V
= 5V
= 5V , I
= 0 V
= 5 V
= 5 V
= 5 V
= 5 V
=5 V
= 5 V
= 5 V
= 5 V
= 5 V
= 0 V
= 0.5 V
= 0.5 V
EN
FB
OUT
= 5V
= 2 V
= 0A
0.782
Min
300
4.5
0.8
1.8
0.5
2.9
3.2
2.9
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
-5
-1
-3
Typ.
380
160
1.8
-15
0.8
-40
0.2
1.5
3.2
3.5
0.3
3.5
40
88
15
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
-5
1
V
0.818
TB7107FN
Max
460
2.5
0.5
3.5
3.8
IN
20
60
10
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
-8
5
1
2
2010-03-23
-2
Unit
kHz
mA
ms
μA
μA
μA
μA
μA
μA
°C
%
Ω
Ω
V
V
V
V
V
A