參數(shù)資料
型號(hào)： TPS61170DRV
廠商： Texas Instruments, Inc.
英文描述： 1.2A High Voltage Boost Converter in 2x2mm2 QFN Package
中文描述： 1.2A的高電壓升壓轉(zhuǎn)換器2x2mm2 QFN封裝
文件頁(yè)數(shù)： 3/22頁(yè)
文件大小： 405K
代理商： TPS61170DRV
www.ti.com
ELECTRICAL CHARACTERISTICS
VIN = 3.6 V, CTRL = VIN, T
A
= –40
°
C to 85
°
C, typical values are at T
A
= 25
°
C (unless otherwise noted)
TPS61170
SLVS789–NOVEMBER 2007
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
V
I
I
Q
I
SD
UVLO
V
hys
ENABLE AND REFERENCE CONTROL
V
(CTRLh)
CTRL logic high voltage
V
(CTRL)
CTRL logic low voltage
R
(CTRL)
CTRL pull down resistor
t
off
CTRL pulse width to shutdown
t
es_det
Easy Scale detection time
(1)
t
es_delay
Easy Scale detection delay
t
es_win
Easy Scale detection window time
VOLTAGE AND CURRENT CONTROL
V
REF
Voltage feedback regulation voltage
Voltage feedback regulation voltage under
V
(REF_PWM)
reprogram
I
FB
Voltage feedback input bias current
f
S
Oscillator frequency
D
max
Maximum duty cycle
t
min_on
Minimum on pulse width
I
sink
Comp pin sink current
I
source
Comp pin source current
G
ea
Error amplifier transconductance
R
ea
Error amplifier output resistance
f
ea
Error amplifier crossover frequency
POWER SWITCH
Input voltage range, VIN
Operating quiescent current into VIN
Shutdown current
Under-voltage lockout threshold
Under-voltage lockout hysterisis
3.0
18
2.3
V
Device PWM switching no load
CRTL=GND, VIN = 4.2 V
VIN falling
mA
μ
A
V
mV
1
2.2
70
2.5
VIN = 3 V to 18 V
VIN = 3 V to 18 V
1.2
V
V
k
ms
μ
s
μ
s
ms
0.4
400
2.5
260
100
800
1600
CTRL high to low
CTRL pin low
1
1.204
1.229
1.254
V
V
FB
= 492 mV
477
492
507
mV
V
FB
= 1.229 V
200
1.5
nA
MHz
1.0
90%
1.2
93%
40
100
100
320
V
FB
= 100 mV
ns
μ
A
μ
A
240
400
umho
M
kHz
5 pF connected to COMP
5 pF connected to COMP
6
500
VIN = 3.6 V
VIN = 3.0 V
V
SW
= 35 V, T
A
= 25
°
C
0.3
0.6
0.7
R
DS(on)
N-channel MOSFET on-resistance
I
LN_NFET
OC and SS
I
LIM
I
LIM_Start
t
Half_LIM
t
REF
t
step
N-channel leakage current
1
μ
A
N-Channel MOSFET current limit
Start up current limit
Time step for half current limit
Vref filter time constant
V
REF
ramp up time
D = D
max
D = D
max
0.96
1.2
0.7
1.44
A
A
5
ms
μ
s
μ
s
180
213
(1)
EasyScale communication is allowed immediately after the CTRL pin has been low for more than t
es_det
. To select EasyScale mode,
the CTRL pin must be low for more than t
es_det
the end of t
es_win
.
Copyright 2007, Texas Instruments Incorporated
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Product Folder Link(s):
TPS61170
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TPS61170DRVRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.2A Sw Hi Vltg Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS61170DRVT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.2A Sw Hi Vltg Boost Conv RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS61170DRVT 制造商:Texas Instruments 功能描述:Voltage Regulators
TPS61170DRVTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.2A Sw Hi Vltg Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
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