TS3300 Datasheet, PDF (3/12 Pages) Touchstone Semiconductor Inc – 0.6-4.5VIN, 1.8-5.25VOUT, 3.5-uA, Low Input Voltage, High-Efficiency Boost + LDO

TS3300
ELECTRICAL CHARACTERISTICS
V_BI = 1.2V, V_BO = 3V, V_BEN = GND, I_BO= 20mA, L = 10µH, C_BI=C_BO = 22µF unless otherwise noted. Values are at T_A = -40°C to +85°C unless
otherwise specified. Typical values are at T_A=+25°C unless otherwise specified. Please see Note 1.
PARAMETER
Minimum Input Boost
Voltage
Maximum Input Boost
Voltage
Output Boost Voltage
Range
No-Load Input Current
Output Load-Switch
Supply Current
Boost Shutdown Supply
Current
Boost Feedback Voltage
during operation
Anti-Crush Feedback
Voltage
Anti-Crush Feedback
Voltage Hysteresis
SYMBOL
V_{BI_MIN}
V_{BI_MAX}
V_BO
I_Q
I_REGIN
I_SHUTDOWN
V_{BO FB}
V_{BI FB}
V_{BI FB_HYST}
CONDITIONS
I_BO = 0mA. T_A=25ºC
Guaranteed by design
See Note 2.
-40°C<T_A<+85°C
See Note 2.
Active-Mode
See Note 3.
@ BO
@ BI
@ BO
@ BI
@ BI
I_REGOUT = 0mA, V_{REG EN} = V_REGIN
V_BEN = V_BI
T_A =25°C
@ BI
Output voltage accuracy: ±4%
V_BI ≥ 0.6V
MIN
3
1.8
0.489
0.363
TYP
0.6
3.5
0.07
10.8
0.4
0.505
0.392
50
MAX
0.75
3.6
UNITS
V
V
V
6
µA
0.9
1
µA
100
nA
0.521
V
0.425
V
mV
Inductor Peak Current
I_PK
I_BO=0mA
365
mA
Inductor Valley Current
NMOS
On
Resistance
PMOS
LOAD
SWITCH
Boost Enable Threshold
Boost Enable Hysteresis
Output Load Switch
Enable Threshold
Output Load Switch
Enable Hysteresis
BO FB Input Leakage
Current
REGEN Input Leakage
Current
REGFB Input Leakage
Current
I_V
R_ON
NMOS
R_ON
PMOS
R_ON
LOAD SWITCH
V_BEN
V_{BEN_HYST}
V_{REG EN}
V_{REG EN_HYST}
I_{BO FB}
I_{REG EN}
I_{REG FB}
Measured from REGIN to
REGOUT. See Note 4.
V_IL
V_IH
V_IL (CMOS logic)
V_IH (CMOS logic)
V_BI - 0.05
0.8 x V_REGIN
10
0.27
0.48
0.9
200
100
±0.1
±0.1
mA
Ω
1.2
0.2
V
V
mV
0.2 x V_REGIN
V
mV
±1
10
nA
±1
Note 1: All devices are 100% production tested at T_A=+25°C and are guaranteed by characterization for T_A=-40°C to +85°C, as specified.
Note 2: I_BO=0mA, V_{BO FB}=0.6V.
Note 3: Boost Only Circuit configuration. I_BO=0mA. V_{BI FB}=V_BI. V_BI=1.2V. V_BO=3V.
Note 4: V_{SW EN}=V_REGIN=V_BO. V_{REG EN}=GND.
TS3300 Rev. 1.0
Page 3