UBA20271 データシートの表示（PDF） - NXP Semiconductors.
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UBA20271 Datasheet PDF : 33 Pages
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NXP Semiconductors
UBA20271/2
350 V and 600 V Power ICs for dimmable compact fluorescent lamps
6. Pinning information
6.1 Pinning
SLS 1
SLS 2
SLS 3
LSAT 4
PGND 5
VDD 6
RREF 7
CF 8
MDL 9
CI 10
UBA20271/2
20 HBO
19 HBO
18 DHS
17 HBO
16 FS
15 SGND
14 CB
13 CP
12 DCI
11 CSI
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Fig 2. Pin configuration UBA20271/2 (SO20)
6.2 Pin description
Table 2.
Symbol
SLS
LSAT
PGND
VDD
RREF
CF
MDL
CI
CSI
DCI
CP
CB
SGND
FS
HBO
DHS
Pin description
Pin
1,2,3
4
5
6
7
8
9
10
11
12
13
14
15
16
17,19,20
18
Description
source low-side switch[1]
coil saturation level input
power ground[3]
low voltage supply
internal reference current input
voltage controlled oscillator capacitor
minimum dimming level input
voltage controlled oscillator input integrating capacitor
current feedback sense input
dimming level input
preheat timing capacitor
boost timing capacitor
signal ground[3]
floating supply voltage
half-bridge output[2]
high-voltage supply
[1] SLS pins are internally connected
[2] HBO pins are internally connected
[3] PGND and SGND are internally connected
UBA20271_UBA20272
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2.1 — 12 October 2011
© NXP B.V. 2011. All rights reserved.
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