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參數(shù)資料
型號: TPS40101RGET
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 1.3 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC24
封裝: PLASTIC, QFN-24
文件頁數(shù): 33/37頁
文件大小: 774K
代理商: TPS40101RGET
www.ti.com
DEVICE INFORMATION
RT
BIAS
GND
SS
GM
PGND
7
8
9
10
11
12
RGE PACKAGE
(BOTTOM VIEW)
24
23
22
21
20
19
MGU
MGD
SYNC
PG
VO
ISNS
1
2
3
4
5
6
18
17
16
15
14
13
COMP
FB
TRKOUT
TRKIN
UVLO
ILIM
VDD
SW
HDR
V
BST
5VBP
LDR
V
SLUS726 – SEPTEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
-40
°C ≤ T
A = TJ≤ 85°C, VVDD = 12 V, RRT = 182 k, RGM = 232 k, RILIM = 121 k (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TRACKING AMPLIFIER
VTRKOS = VTRKIN - VO ; VVO≤ 2 V
7
25
40
VTRKOS
Tracking amplifier input offset voltage
mV
VTRKOS = VTRKIN - VO ; 2 V < VVO≤ 6 V
-5
25
40
VTRKCM
Input common mode, active range
0
6
4.5 V
≤ V
VDD ≤ 5.5 V
0
3.6
VTRK
Tracking amplifier voltage range
5 V < VVDD ≤ 18 V(5)
0
6
V
VVDD = 12 V
5.0
6.5
8.0
VHTRKOUT
High-level output voltage, TRKOUT
VVDD = 4.5 V
3.2
3.6
VLTRKOUT
Low-level output voltage, TRKOUT
0
0.5
ISRCTRKOUT
Source current, TRKOUT
0.65
2.00
mA
ISNKTRKOUT
Sink current, TRKOUT
1
2
VTRKDIF
Differential voltage from TRKIN to VO
18
V
GBWPTRK
Tracking amplifier gain bandwidth product(6)
1
MHz
AVOLTRK
Tracking amplifier open loop DC gain(6)
60
dB
PROGRAMMABLE UVLO
VUVLO
Undervoltage lockout threshold
1.285
1.332
1.378
V
IUVLO
Hysteresis current
9.0
10.0
10.8
A
INTERNALLY FIXED UVLO
VUVLOFON
Fixed UVLO turn-on voltage at VDD pin
-40
°C ≤ T
A < 125°C
3.850
4.150
4.425
V
VUVLOFOFF
Fixed UVLO turn-off voltage at VDD pin
3.750
4.06
4.35
VUVLOHYST
UVLO hysteresis at VDD pin
85
mV
THERMAL SHUTDOWN
TSD
Thermal shutdown temperature(6)
130
165
°C
TSDHYST
Hysteresis(6)
25
(5)
Amplifier can track to the lesser of 6 V or (VDD× 0.95)
(6)
Ensured by design. Not production tested.
5
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