參數(shù)資料
型號： TPS5211PWPR
英文描述： Analog IC
中文描述： 模擬IC
文件頁數(shù)： 8/29頁
文件大?。?/td> 500K
代理商： TPS5211PWPR
TPS5210
PROGRAMMABLE SYNCHRONOUS BUCK REGULATOR CONTROLLER
SLVS171A – SEPTEMBER 1998 – REVISED MAY 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC
Input voltage, BOOT to DRVGND
11.4
13
V
0
28
V
Input voltage, BOOT to BOOTLO
0
13
V
Input voltage, INHIBIT, VIDx, LODRV, PWRGD, OCP, DROOP
0
6
V
Input voltage, LOHIB, LOSENSE, IOUTLO, HISENSE
0
13
V
Input voltage, VSENSE
0
4.5
±
0.2
0.4
V
Voltage difference between ANAGND and DRVGND
Output current, VREFB
Not recommended to load VREFB other than to set hystersis since IVREFB sets slowstart time.
0
V
0
mA
electrical characteristics over recommended operating virtual junction temperature range,
V
CC
= 12 V, I
DRV
= 0 A (unless otherwise noted)
reference/voltage identification
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
0.01
UNIT
V/V
VCC = 11.4 to 12.6 V, 1.3 V
≤
VREF
≤
2.5 V
VCC = 11.4 to 12.6 V, VREF = 2.6 V
VCC = 11.4 to 12.6 V, VREF = 2.7 V
VCC = 11.4 to 12.6 V, VREF = 2.8 V
VCC = 11.4 to 12.6 V, VREF = 2.9 V
VCC = 11.4 to 12.6 V, VREF = 3 V
VCC = 11.4 to 12.6 V, VREF = 3.1 V
VCC = 11.4 to 12.6 V, VREF = 3.2 V
VCC = 11.4 to 12.6 V, VREF = 3.3 V
VCC = 11.4 to 12.6 V, VREF = 3.4 V
VCC = 11.4 to 12.6 V, VREF = 3.5 V
VREF = 1.3 V, Hysteresis window = 30 mV
VREF =1.3 V, Hysteresis,
TJ = 60
°
C window = 30 mV (see Note 3)
VREF = 1.9 Vv, Hysteresis,
TJ = 60
°
C window = 30 mV (see Note 3)
VREF = 3.5 V, Hysteresis,
TJ = 60
°
C window = 30 mV (see Note 3)
–0.01
–0.0104
0.0104
V/V
–0.0108
0.0108
V/V
–0.0112
0.0112
V/V
Reference voltage accuracy, (Includes
offset of droop compensation net-
work)
–0.0116
0.0116
V/V
–0.0120
0.0120
V/V
–0.0124
0.0124
V/V
–0.0128
0.0128
V/V
VREF
–0.0132
0.0132
V/V
–0.0136
0.0136
V/V
–0.0140
0.0140
V/V
–0.011
0.011
Cumulative reference accuracy
(see Note 2)
–0.008
0.008
–0.0090
0.0090
V/V
–0.0115
0.0115
VIDx
High-level input voltage
2.25
V
VIDx
Low-level input voltage
1
V
VREFB
Output voltage
IVREFB = 50
μ
A
10
μ
A
≤
IO
≤
500
μ
A
VIDx = 0 V
VREF–2%
VREF
VREF+2%
V
Output regulation
2
mV
VIDx
Input resistance
Input pull-up voltage divider
36
4.8
73
4.9
95
5
k
V
NOTES:
2. Cumulative reference accuracy is the combined accuracy of the reference voltage and the input offset voltage of the hysteretic
comparator. Cumulative accuracy equals the average of the high-level and low-level thresholds of the hysteretic comparator.
3. This parameter is ensured by design and is not production tested.
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