參數(shù)資料
型號： TPS2071DAPG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO32
封裝： GREEN, PLASTIC, HTSSOP-32
文件頁數(shù)： 28/29頁
文件大?。?/td> 732K
代理商： TPS2071DAPG4
www.ti.com
ELECTRICAL CHARACTERISTICS
SLVS287B – SEPTEMBER 2000 – REVISED SEPTEMBER 2007
over recommended operating junction temperature range, 4.5 V
≤ VI(BP) ≤ 5.5 V, 4.85 V ≤ VI(SP) ≤ 5.5 V, 6 V ≤ VI(VEXT) ≤ 9 V,
ENx = 0 V, EN_REG = 0 V, BP_DIS = 0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS(1)
MIN
TYP
MAX
UNIT
INPUT CURRENT
VI(SP) = Hi-Z
185
240
Input current at BP, switches
No load on OUTx and 3.3V_OUT,
VI(SP) = 0 V
185
240
μA
disabled
ENx = VI(BP)
VI(SP) = 5 V
175
210
II(BP)
VI(SP) = Hi-Z
185
240
Input current at BP, switches
No load on OUTx and 3.3V_OUT,
VI(SP) = 0 V
185
240
μA
enabled
ENx = 0 V
VI(SP) = 5 V
175
210
VI(SP) = Hi-Z
90
115
Input current at SP, switches
No load on OUTx and 3.3V_OUT,
VI(SP) = 0 V
90
115
μA
disabled
ENx = VI(SP)
VI(SP) = 5 V
115
140
II(SP)
VI(SP) = Hi-Z
90
115
Input current at SP, switches
No load on OUTx and 3.3V_OUT,
VI(SP) = 0 V
90
115
μA
enabled
ENx = 0 V
VI(SP) = 5 V
115
140
Input current at VEXT, LDO
VI(EN_REG) = 0 V or Hi-Z, VI(BP) = 5 V,
200
360
μA
controller disabled
VI(SP) = Hi-Z
II(VEXT)
Input current, at VEXT, LDO
VI(EN_REG) = 5 V, VI(BP) = 5 V, VI(SP) = Hi-Z
10
mA
controller enabled
POWER SWITCHES
TA = 25°C
107
SP to
VI(SP) = VI(BP) = 5 V, IOx = 0.5 A
OUTx
TA = 70°C
125
160
Static drain-source
rDS(on)
m
on-state resistance
TA = 25°C
560
BP to
VI(BP) = 4.5 V, VI(SP) = open, IOx = 0.1 A
OUTx
TA = 70°C
630
900
ENx = VI(BP) = 5.5 V, VI(SP) = Hi-Z,
TJ = 25°C
0.5
10
OUTx connected to ground, VI(VIN) =
Hi-Z, no load on 3.3V_OUT
ENx = VI(BP) = VI(SP) = 5.5 V,
TJ = 25°C
0.5
10
OUTx connected to ground, VI(EXT) =
Hi-Z, no load on 3.3V_OUT
ENx = VI(BP) = Hi-Z or 0 V,
Ilkg(OUTx)
Leakage current at OUTx
μA
TJ = 25°C
0.5
10
VI(VEXT) = VI(SP) = VI(OUTx) = 5.5 V, no
load on 3.3V_OUT
ENx = VI(BP) = VI(SP) = Hi-Z or 0 V,
VI(VEXT) = VI(OUTx) = 5.5 V, no load on
TJ = 25°C
0.5
10
3.3V_OUT
ENx = VI(BP) = VI(SP) = VI(VEXT) = Hi-Z or
0 V, VI(OUTx) = 5.5 V, no load on
TJ = 25°C
0.5
10
3.3V_OUT
VI(BP) = VI(SP) = 5 V, OUTx connected to
0.6
0.9
1.2
GND, device enabled into short circuit
IOS
Short-circui outputt current(1)
A
VI(BP) = 5 V, VI(SP) = open, OUTx
connected to GND, device enabled into
0.12
0.2
0.3
short circuit
(1)
Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account
separately.
8
Copyright 2000–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS2070 TPS2071
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