参数资料
型号: TPS61093DSK
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.5 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO10
封装: 2.50 X 2.50 MM, 0.80 MM HEIGHT, PLASTIC, SON-10
文件页数: 17/23页
文件大小: 760K
代理商: TPS61093DSK
www.ti.com
SLVS992A – SEPTEMBER 2009 – REVISED NOVEMBER 2009
ELECTRICAL CHARACTERISTICS
VIN = 3.6 V, EN = VIN, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN
Input voltage range, VIN
1.6
6
V
IQ
Operating quiescent current into VIN
Device PWM switching no load
0.9
1.5
mA
ISD
Shutdown current
EN = GND, VIN = 6 V
1
μA
UVLO
Undervoltage lockout threshold
VIN falling
1.5
1.55
V
Vhys
Undervoltage lockout hysterisis
50
mV
ENABLE AND PWM CONTROL
VENH
EN logic high voltage
VIN = 1.6 V to 6 V
1.2
V
VENL
EN logic low voltage
VIN = 1.6 V to 6 V
0.3
V
REN
EN pull down resistor
400
800
1600
k
Toff
EN pulse width to shutdown
EN high to low
1
ms
VOLTAGE CONTROL
VREF
Voltage feedback regulation voltage
0.49
0.5
0.51
V
IFB
Voltage feedback input bias current
100
nA
fS
Oscillator frequency
1.0
1.2
1.4
MHz
Dmax
Maximum duty cycle
VFB = 0.1 V, TA = 85°C
90%
93%
Tmin_on
Minimum on pulse width
65
ns
POWER SWITCH, ISOLATION FET
RDS(ON)N
N-channel MOSFET on-resistance
VIN = 3 V
0.25
0.4
RDS(ON)iso
Isolation FET on-resistance
VO = 5 V
2.5
4
VO = 3.5 V
4.5
ILN_N
N-channel leakage current
VDS = 20 V, TA = 25°C
1
μA
ILN_iso
Isolation FET leakage current
VDS = 20 V, TA = 25°C
1
μA
VF
Power diode forward voltage
Current = 500 mA
0.8
V
OC, ILIM, OVP SC AND SS
ILIM
N-Channel MOSFET current limit
0.9
1.1
1.5
A
Vovp
Over voltage protection threshold
Measured on the VO pin
18
19
V
Vovp_hys
Over voltage protection hysteresis
0.6
V
IOL
Over load protection
200
300
mA
THERMAL SHUTDOWN
Tshutdown
Thermal shutdown threshold
150
°C
Thysteresis
Thermal shutdown hysteresis
15
°C
Copyright 2009, Texas Instruments Incorporated
3
Product Folder Link(s): TPS61093
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