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| 型号： | TPS5210DWG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, SOIC-28 |
| 文件页数： | 34/35页 |
| 文件大小： | 846K |
| 代理商： | TPS5210DWG4 |
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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
11.4
13
V
Input voltage, BOOT to DRVGND
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
V
Voltage difference between ANAGND and DRVGND
0
±0.2
V
Output current, VREFB
0
0.4
mA
Not recommended to load VREFB other than to set hystersis since IVREFB sets slowstart time.
electrical characteristics over recommended operating virtual junction temperature range,
VCC = 12 V, IDRV = 0 A (unless otherwise noted)
reference/voltage identification
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 11.4 to 12.6 V, 1.3 V ≤ VREF ≤ 2.5 V
0.01
V/V
VCC = 11.4 to 12.6 V, VREF = 2.6 V
0.0104
V/V
VCC = 11.4 to 12.6 V, VREF = 2.7 V
0.0108
V/V
VCC = 11.4 to 12.6 V, VREF = 2.8 V
0.0112
V/V
Reference voltage accuracy, (Includes
VCC = 11.4 to 12.6 V, VREF = 2.9 V
0.0116
V/V
Reference voltage accuracy, (Includes
offset of droop compensation net-
work)
VCC = 11.4 to 12.6 V, VREF = 3 V
0.0120
V/V
offset of droop compensation net-
work)
VCC = 11.4 to 12.6 V, VREF = 3.1 V
0.0124
V/V
VCC = 11.4 to 12.6 V, VREF = 3.2 V
0.0128
V/V
VREF
VCC = 11.4 to 12.6 V, VREF = 3.3 V
0.0132
V/V
VREF
VCC = 11.4 to 12.6 V, VREF = 3.4 V
0.0136
V/V
VCC = 11.4 to 12.6 V, VREF = 3.5 V
0.0140
V/V
VREF = 1.3 V, Hysteresis window = 30 mV
0.011
Cumulative reference accuracy
VREF =1.3 V, Hysteresis,
TJ = 60°C window = 30 mV (see Note 3)
0.008
Cumulative reference accuracy
(see Note 2)
VREF = 1.9 Vv, Hysteresis,
TJ = 60°C window = 30 mV (see Note 3)
0.0090
V/V
VREF = 3.5 V, Hysteresis,
TJ = 60°C window = 30 mV (see Note 3)
0.0115
VIDx
High-level input voltage
2.25
V
VIDx
Low-level input voltage
1
V
VREFB
Output voltage
IVREFB = 50 A
VREF2% VREF VREF+2%
V
VREFB
Output regulation
10
A ≤ IO ≤ 500 A
2
mV
VIDx
Input resistance
VIDx = 0 V
36
73
95
k
VIDx
Input pull-up voltage divider
4.8
4.9
5
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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