ZLED7012ZI1R ZMDI, ZLED7012ZI1R Datasheet - Page 13

• Manufacturer Part Number: ZLED7012ZI1R
• Description: LED Lighting Drivers LED driver
• Manufacturer: ZMDI

Specifications of ZLED7012ZI1R

• Rohs: yes
• Input Voltage: 2.8 V to 5.5 V
• Maximum Supply Current: 1 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: uTQFN-12
• Minimum Operating Temperature: - 40 C

Select a pump capacitor value in the range of 0.47µF to 2.2µF depending on output current requirements; 1µF is recom-
mended for most applications. When designing the circuit to operate at high levels of output current, choose a higher value of
capacitance; low output currents do not require a large pump capacitor. As with Cin and Cout, low ESR ceramic capacitors are
recommended for the pump capacitor. See section 4.2.1 for a discussion of low ESR capacitors.
4.2.3.
The ZLED7012’s low dropout current sinks are capable of driving most types of LEDs with forward voltages as high as 4.7V at
full current with a Vcc input supply of 2.8V to 5.5V. High-current LEDs can be driven by using any of the D3:D0 pins in parallel.
The brightness of the LEDs being driven will match despite any variations in the forward voltage (V
because the [D3:D0] output current sinks are matched with negligible voltage dependence (see section 1.3 for specifications).
4.3.
LED driver pin D0 must always be used. If any of the LED driver pins [D1:D3] are unused, disable the pin(s) by connecting
them to ground to avoid noise coupling.
5
From each I/O or VCC pin to GND, there is an ESD protection of ±3000V. Between the I/O pins, there is an ESD protection of
±1000V according the Human Body Model (HBM). The ESD test follows the Human Body Model with 1.5 kΩ/100 pF based
on MIL 883-G, Method 3015.7.
6
Figure 6.1
Data Sheet
November 9, 2010
ZLED7012
Low-Voltage Four-Channel LED Driver
ESD Protection
Pin Configuration and Package
Unused LED Driver Pins
LEDs
Pin Configuration ZLED7012 – Top View
© 2010 Zentrum Mikroelektronik Dresden AG — Rev. 1.0
All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without
the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without notice.
VOUT
VCC
D0
1
2
3
9
8
7
NC
NC
GND
F
) of the individual LEDs
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