TS1910 Datasheet, PDF (2/8 Pages) Taiwan Semiconductor Company, Ltd – 680kHz/1.2MHz High Voltage Boost Converter

TS1910
680kHz/1.2MHz High Voltage Boost Converter
Electrical Specifications (Ta = 25^oC, V_IN=5V, EN=V_IN, I_L=0A unless otherwise noted)
Characteristics
Symbol
Conditions
Min Typ
Input Voltage range
Under Voltage Lockout
V_CC
UVLO
Rising
2.6
--
--
2.35
UVLO Hysteresis
UVLOhys
--
-150
Step-Up Voltage Adjust Range
Operating quiescent current
Shutdown current
Feedback Voltage
FB Input Leakage Current
Line Regulation
Load Regulation
Oscillator frequency
V_OUT
I_CCQ
I_SD
V_FB
I_FB-LKG
REG_LINE
REG_LOAD
F_OSC
I_OUT= 0mA, V_FB=1.5V
V_EN=0V
V_FB = 1.5V
V_IN=2.6 to 5.5V
I_OUT=20mA
V_IN=5V
I_OUT= 1mA to 0.4A
FREQ=High
FREQ=Low
V_CC+0.5
--
--
1.219
-100
--
--
150
0.1
1.238
0.01
0.2
-
0.15
900
1200
500
680
FREQ high-level input voltage
FREQ low-level input voltage
FREQ input leakage current
Soft Start Current
N-channel MOSFET current limit
MOSFET on-resistance
(Note)
EN high-level input voltage
EN low-level input voltage
EN Hysteresis
V_FQ-IH
V_FQ-IL
I_FQ-LKG
I_SS
I_LIM
R_DS(on)
V_IH
V_IL
ENhys
FREQ=GND
Duty=40%
V_IN=3V, I_SW=1A
V_IN=5V, I_SW=1A
2
--
--
--
--
--
4
7
2
2.5
--
200
--
160
1.0
--
--
-
--
200
EN input leakage current
Maximum Duty Cycle
LX Leakage Current
Thermal Shutdown
I_EN-LKG
Duty
I_LXL
TSD
V_EN=GND or V_IN
V_FB=0V
V_LX = 25V, V_FB=1.5V
--
0.01
85
90
--
--
--
150
Thermal Shutdown Hysteresis
Thys
--
35
Note: Guaranteed by design
Max
5.5
2.6
--
27
250
1
1.257
+100
Units
V
V
mV
V
µA
µA
V
nA
--
%
--
%
1500
KHz
850
--
V
0.5
0.1
uA
13
µA
-
A
280
mΩ
220
--
V
0.4
V
-
mV
0.1
µA
--
%
10
µA
--
°C
--
2/8
Version: A12