參數(shù)資料
型號： TPS65166RHAR
廠商： TEXAS INSTRUMENTS INC
元件分類： 模擬信號調(diào)理
英文描述： SPECIALTY ANALOG CIRCUIT, PQCC40
封裝： 6 X 6 MM, GREEN, PLASTIC, M0-220VJJD-2, QFN-40
文件頁數(shù)： 23/45頁
文件大?。?/td> 3690K
代理商： TPS65166RHAR
ELECTRICAL CHARACTERISTICS
www.ti.com.......................................................................................................................................................................................... SLVS976 – SEPTEMBER 2009
AVIN=VIN1=VIN2=VIN3=12V, EN1=EN2=VIN, VS=15V, Vlogic=3.3V, 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
8.5
14.7
V
IQIN
Quiescent current into AVIN, VIN1,2,3
Not switching, FB=FB+5%
1.2
mA
Isd
Shutdown current into AVIN, VIN1,2,3
EN1=EN2=GND
170
A
VUVLO
Under-voltage lockout threshold
VIN falling
8.0
8.2
V
VUVLO
Under-voltage lockout threshold
VIN rising
8.2
8.5
V
Thermal shutdown
Temperature rising
150
°C
Thermal shutdown hysteresis
15
°C
LOGIC SIGNALS EN1, EN2, HVS
VIH
High level input voltage
VIN = 8.5V to 14.7V
1.7
V
VIL
Low level input voltage
VIN = 8.5V to 14.7V
0.4
V
II
Input leakage current
EN1=EN2=GND
0.01
0.1
A
POWER GOOD
VIL
Low level voltage(1)
I(sink) = 500A
0.3
V
Ilkg
Leakage current
VPG = 5.0V
0.01
0.1
A
SEQUENCING DLY1, DLY2, and SOFT-START
Ichrg
DLY1, DLY2 charge current
Vthreshold = 1.24V
4
4.9
6.3
A
Vthreshold
DLY1, DLY2 threshold voltage
1.21
1.24
1.27
V
Rdischrg
DLY1, DLY2 discharge resistor
3.2
k
ISS
Soft-start charge current
Vthreshold = 1.24V
8
10
12
A
SWITCHING FREQUENCY
fs
Switching frequency
600
750
900
kHz
BOOST CONVERTER (Vs)
Vs
Output voltage range
19
V
Vswovp
Switch overvoltage protection
Vs rising
19.0
19.5
20
V
VFB1
Feedback regulation voltage
1.225
1.24
1.252
V
IFB1
Feedback input bias current
VFB1 = 1.24V
10
100
nA
RDS(on)
N-MOSFET on-resistance
ISW = 500mA
120
170
m
ILIM
N-MOSFET switch current limit
4.2
5.2
6.2
A
Ileak
Switch leakage current
Vsw = 15V
1
10
A
ton
Minimum on time
80
ns
Line regulation
8.5V
≤ VIN ≤ 14.7V, Iout = 1mA
0.006
%/V
Load regulation
1mA
≤ Iout ≤ 2.0A
0.1
%/A
GATE DRIVE (GD) AND BOOST CONVERTER PROTECTION
VGDM
VIN – VGD
(2)
VIN = 12V, GD pulled down
5
6
7
V
I(GD)
Gate drive sink current
EN2 = high
10
A
R(GD)
Gate drive internal pull up resistance
10
k
ton
Gate on time during short circuit
FB1 < 100mV
1.4
ms
BUCK CONVERTER (Vlogic)
Vlogic
Output voltage range
2.2
4.0
V
FB2 connected to resistor divider,
VFB2
Feedback regulation voltage
1.215
1.24
1.265
V
Iload = 10mA
IFB2
Feedback input bias current
VFB2 = 1.24V
10
100
nA
RDS(on)
N-MOSFET on-resistance
Isw3, Isw4 = 1.5A
150
250
m
(1)
PG goes high impedance once Vs and VONE are in regulation.
(2)
GD goes to VIN – VGD once the boost converter Vs is enabled.
Copyright 2009, Texas Instruments Incorporated
3
Product Folder Link(s): TPS65166
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