参数资料
型号: TPS56100PWPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.4 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO28
封装: GREEN, PLASTIC, HTSSOP-28
文件页数: 30/30页
文件大小: 595K
代理商: TPS56100PWPR
TPS56100
HIGHEFFICIENCY DSP POWER SUPPLY CONTROLLER
FOR 5V INPUT SYSTEMS
SLVS201A JUNE 1999 REVISED JULY 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VCC
4.5
6
V
Input voltage, BOOT to DRVGND
0
28
V
Input voltage, BOOT to BOOTLO
0
13
V
Input voltage, INHIBIT, VPx, LODRV, PWRGD, OCP
0
6
V
Input voltage, LOHIB, LOSENSE, IOUTLO, HISENSE, BIAS, DRV
0
6
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 = 5 V (unless otherwise noted)
reference/voltage programming
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VREF
Cumulative voltage reference
accuracy
VCC = 4.5 to 5.5 V, 1.3 V ≤ VREF ≤ 2.6 V,
See Note 2
1.5%
VPx
High-level input voltage
2.25
V
VPx
Low-level input voltage
1
V
VREFB
Output voltage
IVREFB = 50 A
VREF10 mV VREF VREF+10 mV
V
VREFB
Output regulation
10
A ≤ IO ≤ 500 A
2
mV
VPx
Input pullup resistance
190
k
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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