uba20271 NXP Semiconductors, uba20271 Datasheet - Page 4

• Manufacturer Part Number: uba20271
• Description: 350 V And 600 V Power Ics For Dimmable Compact Fluorescent Lamps
• Manufacturer: NXP Semiconductors

NXP Semiconductors
6. Pinning information
UBA20271_UBA20272
Product data sheet
6.1 Pinning
6.2 Pin description
Table 2.
[1]
[2]
[3]
Symbol
SLS
LSAT
PGND
V
RREF
CF
MDL
CI
CSI
DCI
CP
CB
SGND
FS
HBO
DHS
Fig 2.
DD
SLS pins are internally connected
HBO pins are internally connected
PGND and SGND are internally connected
Pin configuration UBA20271/2 (SO20)
Pin description
All information provided in this document is subject to legal disclaimers.
350 V and 600 V Power ICs for dimmable compact fluorescent lamps
Pin
1,2,3
4
5
6
7
8
9
10
11
12
13
14
15
16
17,19,20
18
Rev. 2 — 8 September 2011
PGND
RREF
Description
source low-side switch
coil saturation level input
power ground
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
floating supply voltage
half-bridge output
high-voltage supply
SLS1
SLS2
SLS3
LSAT
MDL
V
CF
DD
CI
10
1
2
3
4
5
6
7
8
9
UBA20271/2
[3]
[3]
[2]
001aam784
[1]
20
19
18
17
16
15
14
13
12
11
HBO3
HBO2
DHS
HBO1
FS
SGND
CB
CP
DCI
CSI
UBA20271/2
© NXP B.V. 2011. All rights reserved.
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