TCV7107F Datasheet, PDF (4/17 Pages) Toshiba Semiconductor – Buck DC-DC Converter IC

TCV7107F
Electrical Characteristics (T_j = 25°C, V_IN1 = V_IN2 = 2.7V to 5.6 V, unless otherwise specified)
Characteristics
Symbol
Test Condition
Min Typ. Max Unit
Operating input voltage
Operating current
V_{IN (OPR)}
I_IN
―
V_IN1 = V_IN2 = V_EN = V_FB = 5V
V_MODE = 5V
2.7
―
5.6
V
―
450 680
μA
Output voltage range
Standby current
High-side switch leakage current
EN threshold voltage
EN input current
MODE threshold voltage
MODE input current
V_FB input voltage
V_{OUT (OPR)}
I_IN(STBY)1
I_IN(STBY)2
I_{LEAK (H)}
V_EN = V_IN1 = V_IN2
V_IN1 = V_IN2 = 5V , V_EN = 0V
V_FB = 0.8V
V_IN1 = V_IN2 = 3.3V, V_EN = 0V
V_FB = 0.8V
V_IN1 = V_IN2 = 5V, V_EN = 0V
V_FB = 0.8V, V_LX = 0V
V_{IH (EN) 1}
V_{IH (EN) 2}
V_{IL (EN) 1}
V_{IL (EN) 2}
I_{IH (EN) 1}
I_{IH (EN) 2}
V_{IH (MODE)}
V_{IL (MODE)}
I_{IH (MODE)}
V_FB1
V_IN1 = V_IN2 = 5V
V_IN1 = V_IN2 = 3.3V
V_IN1 = V_IN2 = 5V
V_IN1 = V_IN2 = 3.3V
V_IN1 = V_IN2 = 5V, V_EN = 5V
V_IN1 = V_IN2 = 3.3V, V_EN = 3.3V
V_IN1 = V_IN2 = 5V
V_IN1 = V_IN2 = 5V
V_IN1 = V_IN2 = 5V, V_EN = 5V
V_IN1 = V_IN2 = 5V, V_EN = 5V
Tj = 0 to 85℃
V_FB2
V_IN1 = V_IN2 = 3.3V, V_EN = 3.3V
Tj = 0 to 85℃
0.8
―
―
V
―
―
10
μA
―
―
10
―
―
10
μA
1.5
―
―
1.5
―
―
V
―
―
0.5
―
―
0.5
6
―
13
μA
4
―
9
1.5
―
―
V
―
―
0.5
―
-1.2 -2.5
μA
0.792 0.8 0.808
V
0.792 0.8 0.808
V_FB input current
High-side switch on-state resistance
Low-side switch on-state resistance
Oscillation frequency
Internal soft-start time
I_FB
V_IN1 = V_IN2 = 2.7V to 5.6V, V_FB = V_IN2 -1
RDS(ON)(H)1
V_IN1 = V_IN2 = 5V , V_EN = 5V
I_LX = - 1A
―
RDS(ON)(H)2
V_IN1 = V_IN2 = 3.3V , V_EN = 3.3V
I_LX = - 1A
―
RDS(ON)(H)3
V_IN1 = V_IN2 = 5V , V_EN = 5V
I_LX = - 0.1A , Tj = -40～85℃
―
RDS(ON)(H)4
V_IN1 = V_IN2 = 3.3V , V_EN = 3.3V
I_LX = - 0.1A , Tj = -40～85℃
―
RDS(ON)(L)1
V_IN1 = V_IN2 = 5V , V_EN = 5V
I_LX = - 1A
―
RDS(ON)(L)2
V_IN1 = V_IN2 = 3.3V , V_EN = 3.3V
I_LX = - 1A
―
RDS(ON)(L)3
V_IN1 = V_IN2 = 5V , V_EN = 5V
I_LX = - 0.1A , Tj = -40～85℃
―
RDS(ON)(L)4
V_IN1 = V_IN2 = 3.3V , V_EN = 3.3V
I_LX = - 0.1A , Tj = -40～85℃
―
f_OSC
V_IN1 = V_IN2 = V_EN = 5V
450
t_SS
V_IN1 = V_IN2 = 5V, I_OUT = 0A, Measured
between 0% and 90% points at V_OUT.
3
―
1
μA
0.18 ―
0.21 ―
Ω
― 0.25
―
0.3
0.12 ―
0.14 ―
Ω
― 0.18
―
0.2
550 650 kHz
4.5
6
ms
High-side switch duty cycle
Dmax
V_IN1 = V_IN2 = 2.7V to 5.6V
―
―
100
%
Thermal
shutdown (TSD)
Undervoltage
lockout (UVLO)
Detection
temperature
Hysteresis
Detection voltage
Recovery voltage
Hysteresis
L_X current limit
Feedback pin detection voltage
T_SD
T_SD
V_UV
V_UVR
V_UV
I_LIM1
I_LIM2
V_OLD
V_IN1 = V_IN2 = 5V
V_IN1 = V_IN2 = 5V
V_EN = V_IN1 = V_IN2
V_EN = V_IN1 = V_IN2
V_EN = V_IN1 = V_IN2
V_IN1 = V_IN2 = 4.3V, V_OUT = 2V
V_IN1 = V_IN2 = 3.3V, V_OUT = 2V
V_EN = V_IN1 = V_IN2
―
150
―
°C
―
15
―
2.3 2.45 2.6
2.4 2.55 2.7
V
―
0.1
―
3.3
4.1
―
A
2.8
3.7
―
― 0.36 ―
V
4
2011-11-05